XA7Z020-1CLG484I [XILINX]
Microprocessor Circuit, CMOS, PBGA484, 19 X 19 MM, 0.80 MM PITCH, LEAD FREE, BGA-484;
| 型号： | XA7Z020-1CLG484I |
| 厂家： | 
XILINX, INC |
| 描述： | Microprocessor Circuit, CMOS, PBGA484, 19 X 19 MM, 0.80 MM PITCH, LEAD FREE, BGA-484 外围集成电路 |
| 文件： | 总28页 (文件大小：794K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
XA Zynq-7000 SoC
Data Sheet: Overview
DS188 (v1.3.2) July 2, 2018
Product Specification
XA Zynq-7000 SoC First Generation Architecture
The XA Zynq™-7000 Automotive family is based on the Xilinx® SoC architecture. These products integrate
a feature-rich dual-core ARM® Cortex™-A9 based processing system (PS) and 28 nm Xilinx programmable
logic (PL) in a single device. The ARM Cortex-A9 CPUs are the heart of the PS and also include on-chip
memory, external memory interfaces, and a rich set of peripheral connectivity interfaces. This highly
integrated, flexible, and power-optimized solution is ideal for high computationally intensive and
performance demanding applications. The automotive family focuses on automotive applications and
consists of the Z-7010, Z-7020, and Z-7030 devices.
Processing System (PS)
Dual-Core ARM Cortex-A9 Based
Application Processor Unit (APU)
Caches
•
•
•
32 KB Level 1 4-way set-associative instruction
and data caches (independent for each CPU)
•
•
•
•
2.5 DMIPS/MHz per CPU
512 KB 8-way set-associative Level 2 cache
(shared between the CPUs)
CPU frequency: Up to 667 MHz
Coherent multiprocessor support
ARMv7-A architecture
Byte-parity support
•
•
TrustZone security
On-Chip Memory
Thumb-2 instruction set
•
•
•
On-chip boot ROM
•
•
•
Jazelle RCT execution Environment Architecture
NEON media-processing engine
256 KB on-chip RAM (OCM)
Byte-parity support
Single and double precision Vector Floating
Point Unit (VFPU)
External Memory Interfaces
•
•
CoreSight™ technology and Program Trace
Macrocell (PTM)
•
•
Multiprotocol dynamic memory controller
16-bit or 32-bit interfaces to DDR3L, DDR3,
DDR2, or LPDDR2 memories
Timer and Interrupts
•
•
•
Three watchdog timers
One global timer
•
•
ECC support in 16-bit mode
1 GB of address space using single rank of 8-,
16-, or 32-bit-wide memories
Two triple-timer counters
•
Static memory interfaces
© Copyright 2012–2018 Xilinx, Inc. Xilinx, the Xilinx logo, Artix, ISE, Kintex, Spartan, Virtex, Vivado, Zynq, and other designated brands included herein are trademarks of
Xilinx in the United States and other countries. PCI, PCIe, and PCI Express are trademarks of PCI-SIG and used under license. All other trademarks are the property of their
respective owners.
DS188 (v1.3.2) July 2, 2018
Product Specification
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1
XA Zynq-7000 SoC Data Sheet: Overview
•
8-bit SRAM data bus with up to 64 MB
support
•
•
GPIO with four 32-bit banks, of which up to 54
bits can be used with the PS I/O (one bank of
32b and one bank of 22b) and up to 64 bits (up
to two banks of 32b) connected to the
programmable logic (PL)
•
•
•
Parallel NOR flash support
ONFI1.0 NAND flash support (1-bit ECC)
1-bit SPI, 2-bit SPI, 4-bit SPI (quad-SPI), or
two quad-SPI (8-bit) serial NOR flash
Up to 54 flexible multiplexed I/O (MIO) for
peripheral pin assignments
8-Channel DMA Controller
Interconnect
•
Memory-to-memory, memory-to-peripheral,
peripheral-to-memory, and scatter-gather
transaction support
•
High-bandwidth connectivity within PS and
between PS and PL
•
•
ARM AMBA AXI based
QoS support on critical masters for latency and
bandwidth control
I/O Peripherals and Interfaces
•
•
Two 10/100/1000 tri-speed Ethernet MAC
peripherals with IEEE Std 802.3 and
IEEE Std 1588 revision 2.0 support
•
•
•
Scatter-gather DMA capability
Recognition of 1588 rev. 2 PTP frames
GMII and RGMII interfaces
Two USB 2.0 OTG peripherals, each supporting
up to 12 Endpoints
•
•
USB 2.0 compliant device IP core
On-the-go, high-speed, full-speed, and
low-speed modes support
•
•
Intel EHCI compliant USB host
8-bit ULPI external PHY interface
•
Two full CAN 2.0B compliant CAN bus
interfaces
•
CAN 2.0-A and CAN 2.0-B and ISO
118981-1 standard compliant
•
External PHY interface
•
•
Two SD/SDIO 2.0/MMC3.31 compliant
controllers
Two full-duplex SPI ports with three peripheral
chip selects
•
•
Two high-speed UARTs (up to 1 Mb/s)
Two master and slave I2C interfaces
DS188 (v1.3.2) July 2, 2018
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2
XA Zynq-7000 SoC Data Sheet: Overview
Programmable Logic (PL)
Configurable Logic Blocks (CLB)
Automotive Standards
•
•
•
Look-up tables (LUT)
Flip-flops
•
AEC-Q100 qualification
(Beyond AEC-Q100 Qualification is available
upon request)
Cascadeable adders
•
Production Part Approval Process (PPAP)
Documentation
36 Kb Block RAM
Serial Transceivers
•
•
•
True Dual-Port
Up to 72 bits wide
Configurable as dual 18 Kb
•
•
Up to 4 receivers and transmitters
Supports up to 6.6 Gb/s data rates
DSP Blocks
PCI Express® Block
•
•
•
18 x 25 signed multiply
•
•
•
Root Complex and Endpoint configurations
Supports up to Gen2 speeds
48-bit adder/accumulator
25-bit pre-adder
Supports up to 4 lanes
Programmable I/O Blocks
•
•
•
Supports LVCMOS, LVDS, and SSTL
1.2V to 3.3V I/O
Programmable I/O delay and SerDes
JTAG Boundary-Scan
•
IEEE Std 1149.1 Compatible Test Interface
Two 12-Bit Analog-to-Digital Converters
•
•
•
On-chip voltage and temperature sensing
Up to 17 external differential input channels
One million samples per second maximum
conversion rate
Automotive Temperature Range
•
•
I-Grade: Tj = –40°C to +100°C
Q-Grade: Tj = –40°C to +125°C
DS188 (v1.3.2) July 2, 2018
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3
XA Zynq-7000 SoC Data Sheet: Overview
Feature Summary
Table 1: XA Zynq-7000 SoC
Device Name
Z-7010
Z-7020
Z-7030
Part Number
XA7Z010
XA7Z020
XA7Z030
Processor Core
Dual ARM Cortex-A9 MPCore with CoreSight technology
NEON & Single/Double Precision Floating Point for each processor
667 MHz (-1)
Processor Extensions
Maximum Frequency
L1 Cache
32 KB Instruction, 32 KB Data per processor
512 KB
L2 Cache
On-Chip Memory
256 KB
External Memory Support(1)
External Static Memory Support(1)
DMA Channels
DDR3L, DDR3, DDR2, LPDDR2
2x Quad-SPI, NAND, NOR
8 (4 dedicated to Programmable Logic)
2x UART, 2x CAN 2.0B, 2x I2C, 2x SPI, 4x 32b GPIO
2x USB 2.0 (OTG), 2x Tri-mode Gigabit Ethernet, 2x SD/SDIO
AES and SHA 256b for device security
Peripherals(1)
Peripherals w/ built-in DMA(1)
Security(2)
2x AXI 32b Master 2x AXI 32b Slave
4x AXI 64b/32b Memory
AXI 64b ACP
Processing System to Programmable Logic
Interface Ports
(Primary Interfaces and Interrupts Only)
16 Interrupts
Xilinx 7 Series
Programmable Logic Equivalent
Artix®-7 FPGA
Artix-7 FPGA
Kintex® FPGA
Programmable Logic Cells
28K Logic Cells
(~430K)
85K Logic Cells
(~1.3M)
125K Logic Cells
(~1.9M)
(Approximate ASIC Gates)(3)
Look-Up Tables (LUTs)
Flip-Flops
17,600
35,200
53,200
78,600
106,400
157,200
Extensible Block RAM
(# 36 Kb Blocks)
240 KB (60)
80
560 KB (140)
1,060 KB (265)
400
Programmable DSP Slices
(18x25 MACCs)
220
Peak DSP Performance
(Symmetric FIR)
100 GMACs
–
276 GMACs
–
593 GMACs
Gen2 x4
PCI Express (Root Complex and
Endpoint)
Analog Mixed Signal (AMS) / XADC
Security(2)
2x 12 bit, 1 MSPS ADCs with up to 17 Differential Inputs
AES and SHA 256b for Boot Code and Programmable Logic
Configuration, Decryption, and Authentication
Notes:
1. Restrictions apply for CLG225 package. Refer to UG585, Zynq-7000 SoC Technical Reference Manual (TRM) for details.
2. Security is shared by the processing system and the programmable logic.
3. Equivalent ASIC gate count is dependent of the function implemented. The assumption is 1 Logic Cell = ~15 ASIC Gates.
DS188 (v1.3.2) July 2, 2018
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4
XA Zynq-7000 SoC Data Sheet: Overview
Device-Package Combinations
XA Zynq-7000 SoCs device-package combinations are listed in Table 1.
Table 2: Device-Package Combinations
Package(1)
CLG225
13 x 13 mm
0.8 mm
CLG400
17 x 17 mm
0.8 mm
CLG484
19 x 19 mm
0.8 mm
FBG484 / FBV484
23 x 23 mm
1.0 mm
Size
Ball Pitch
SelectIO™
SelectIO
HR(3)
100
SelectIO
HR(3)
SelectIO
PS
PS
PS
PS
Device
GTX
I/O(2)
I/O(2)
I/O(2)
I/O(2)
HR
HR
HP(4)
XA7Z010
XA7Z020
XA7Z030
86
54
130
130
125
130
200
130
4
100
63
Notes:
1. All packages listed are Pb-free.
2. PS I/O includes user I/O and DDR I/O.
3. HR = High Range I/O with support for I/O voltage from 1.2V up to 3.3V.
4. HP = High Performance I/O with support for I/O voltage from 1.2V to 1.8V.
XA Zynq-7000 Family Description
The XA Zynq-7000 family offers the flexibility and scalability of an FPGA, while providing the performance,
power, and ease of use typically associated with ASICs and ASSPs. The range of devices in the
XA Zynq-7000 SoC family allows designers to target cost-sensitive as well as high-performance
applications from a single platform using industry-standard tools. While each device in the XA Zynq-7000
family contains the same PS, the PL and I/O resources vary between the devices.
The XA Zynq-7000 architecture enables implementation of custom logic in the PL and custom software in
the PS. It allows for the realization of unique and differentiated system functions. The integration of the PS
with the PL allows levels of performance that two-chip solutions (e.g., an ASSP with an FPGA) cannot
match due to their limited I/O bandwidth, latency, and power budgets.
Xilinx offers a large number of soft IP for the XA Zynq-7000 family. Stand-alone and Linux device drivers
are available for the peripherals in the PS and the PL. The award-winning ISE® Design Suite: System
Edition development environment enables a rapid product development for software, hardware, and
systems engineers. Adoption of the ARM-based PS also brings a broad range of third-party tools and IP
providers in combination with Xilinx’s existing PL ecosystem.
The inclusion of an application processor enables high-level operating system support, e.g., Linux. Other
standard operating systems used with the Cortex-A9 processor are also available for the XA Zynq-7000
family.
The PS and the PL are on separate power domains, enabling the user of these devices to power down the
PL for power management if required. The processors in the PS always boot first, allowing a software
centric approach for PL configuration. PL configuration is managed by software running on the CPU, so it
boots similar to an ASSP.
DS188 (v1.3.2) July 2, 2018
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5
XA Zynq-7000 SoC Data Sheet: Overview
Figure 1 illustrates the functional blocks of the XA Zynq-7000 SoC. For more information on the functional
blocks, see UG585, Zynq-7000 SoC Technical Reference Manual.
X-Ref Target - Figure 1
XA Zynq-7000 SoC
Processing System
I/O
Peripherals
Application Processor Unit
Clock
Reset
SWDT
TTC
Generation
USB
USB
FPU and NEON Engine
FPU and NEON Engine
2x USB
2x GigE
2x SD
ARM Cortex-A9
CPU
ARM Cortex-A9
CPU
MMU
32 KB
MMU
System-
Level
Control
Regs
GigE
GigE
32 KB
D-Cache
32 KB
I-Cache
32 KB
D-Cache
SD
I-Cache
SDIO
IRQ
Snoop Controller, AWDT, Timer
512 KB L2 Cache & Controller
SD
GIC
SDIO
DMA 8
Channel
GPIO
UART
UART
CAN
CAN
I2C
256K
OCM
Interconnect
SRAM
I2C
SPI
SPI
Memory
Interfaces
Central
Interconnect
CoreSight
Components
DDR2/3,
LPDDR2
Controller
Memory
Interfaces
SRAM/
NOR
DAP
ONFI 1.0
NAND
Programmable Logic to
Memory Interconnect
DevC
Q-SPI
CTRL
Config
AES/
SHA
EMIO
General-Purpose
DMA IRQ
Sync
High-Performance Ports
Programmable Logic
ACP
XADC
12-Bit ADC
Ports
SelectIO
Resources
Notes:
1) Arrow direction shows control (master to slave)
2) Data flows in both directions: AXI 32-Bit/64-Bit, AXI 64-Bit, AXI 32-Bit, AHB 32-Bit, APB 32-Bit, Custom
DS188_01_070218
Figure 1: XA Zynq-7000 SoC Overview
Processor System Description
As shown in Figure 1, the PS comprises four major blocks:
•
•
•
•
Application processor unit (APU)
Memory interfaces
I/O peripherals (IOP)
Interconnect
DS188 (v1.3.2) July 2, 2018
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XA Zynq-7000 SoC Data Sheet: Overview
Application Processor Unit (APU)
The key features of the APU include:
•
Dual core ARM Cortex-A9 MPCores. Features associated with each core include:
•
•
2.5 DMIPS/MHz
Operating frequency range:
-
Z-7010/Z-7020 (wire bond), Z-7030 (flip-chip): Up to 667 MHz (-1)
•
Ability to operate in single processor, symmetric dual processor, and asymmetric dual processor
modes
•
•
•
•
Single and double precision floating point: up to 2.0 MFLOPS/MHz each
NEON media processing engine for SIMD support
Thumb-2 support for code compression
Level 1 caches (separate instruction and data, 32 KB each)
-
-
4-way set-associative
Non-blocking data cache with support for up to four outstanding read and write misses each
•
•
Integrated memory management unit (MMU)
TrustZone for secure mode operation
•
•
Accelerator coherency port (ACP) interface enabling coherent accesses from PL to CPU memory space
Unified Level 2 cache (512 KB)
•
•
8-way set-associative
TrustZone enabled for secure operation
•
•
Dual-ported, on-chip RAM (256 KB)
•
•
Accessible by CPU and PL
Designed for low latency access from the CPU
8-channel DMA
•
Supports multiple transfer types: memory-to-memory, memory-to-peripheral,
peripheral-to-memory, and scatter-gather
•
•
•
•
64-bit AXI interface, enabling high throughput DMA transfers
4 channels dedicated to PL
TrustZone enabled for secure operation
Dual register access interfaces enforce separation between secure and non-secure accesses
•
Interrupts and Timers
•
•
•
General interrupt controller (GIC)
Three watch dog timers (WDT) (one per CPU and one system WDT)
Two triple timers/counters (TTC)
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XA Zynq-7000 SoC Data Sheet: Overview
•
CoreSight debug and trace support for Cortex-A9
•
•
Program trace Macrocell (PTM) for instruction and trace
Cross trigger interface (CTI) enabling hardware breakpoints and triggers
Memory Interfaces
The memory interface unit includes a dynamic memory controller and static memory interface modules.
The dynamic memory controller supports DDR3L, DDR3, DDR2, and LPDDR2 memories. The static memory
controllers support a NAND flash interface, a Quad-SPI flash interface, a parallel data bus, and a parallel
NOR flash interface.
Dynamic Memory Interfaces
The multi-protocol DDR memory controller can be configured to provide 16-bit or 32-bit-wide accesses to
a 1 GB address space using a single rank configuration of 8-bit, 16-bit, or 32-bit DRAM memories. ECC is
supported in 16-bit bus access mode. The PS incorporates both the DDR controller and the associated
PHY, including its own set of dedicated I/Os. Speed of up to 1066 Mb/s for DDR3L and DDR3 is supported.
The DDR memory controller is multi-ported and enables the processing system and the programmable
logic to have shared access to a common memory. The DDR controller features four AXI slave ports for this
purpose:
•
One 64-bit port is dedicated for the ARM CPU(s) via the L2 cache controller and can be configured for
low latency.
•
•
Two 64-bit ports are dedicated for PL access.
One 64-bit AXI port is shared by all other AXI masters via the central interconnect.
Static Memory Interfaces
The static memory interfaces support external static memories:
•
•
•
•
8-bit SRAM data bus supporting up to 64 MB
8-bit parallel NOR flash supporting up to 64 MB
ONFi 1.0 NAND flash support with 1-bit ECC
1-bit SPI, 2-bit SPI, 4-bit SPI (quad-SPI), or two quad-SPI (8-bit) serial NOR flash
DS188 (v1.3.2) July 2, 2018
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XA Zynq-7000 SoC Data Sheet: Overview
I/O Peripherals (IOP)
The IOP unit contains the data communication peripherals. Key features of the IOP include:
•
Two 10/100/1000 tri-mode Ethernet MAC peripherals with IEEE Std 802.3 and IEEE Std 1588 revision
2.0 support
•
•
•
Scatter-gather DMA capability
Recognition of 1588 rev. 2 PTP frames
Supports an external PHY interface
•
Two USB 2.0 OTG peripherals, each supporting up to 12 endpoints
•
•
•
•
•
Supports high-speed and full-speed modes in Host, Device, and On-The-Go configurations
Fully USB 2.0 compliant, Host, and Device IP core
Uses 32-bit AHB DMA master and AHB slave interfaces
Provides an 8-bit ULPI external PHY interface
Intel EHCI compliant USB host controller registers and data structures
•
Two full CAN 2.0B compliant CAN bus interface controllers
•
•
•
CAN 2.0-B standard as defined by BOSCH Gmbh
ISO 118981-1
An external PHY interface
•
•
•
•
•
Two SD/SDIO 2.0 compliant SD/SDIO controllers with built-in DMA
Two full-duplex SPI ports with three peripheral chip selects
Two UARTs
Two master and slave I2C interfaces
Up to 118 GPIO bits
Using the TrustZone system, the two Ethernet, two SDIO, and two USB ports (all master devices) can be
configured to be secure or non-secure.
The IOP peripherals communicate to external devices through a shared pool of up to 54 dedicated
multiuse I/O (MIO) pins. Each peripheral can be assigned one of several pre-defined groups of pins,
enabling a flexible assignment of multiple devices simultaneously. Although 54 pins are not enough for
simultaneous use of all the I/O peripherals, most IOP interface signals are available to the PL, allowing use
of standard PL I/O pins when powered up and properly configured. All MIO pins support 1.8V HSTL and
LVCMOS standards as well as 2.5V/3.3V standards.
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XA Zynq-7000 SoC Data Sheet: Overview
Interconnect
The APU, memory interface unit, and the IOP are all connected to each other and to the PL through a
multilayered ARM AMBA AXI interconnect.The interconnect is non-blocking and supports multiple
simultaneous master-slave transactions.
The interconnect is designed with latency sensitive masters, such as the ARM CPU, having the shortest
paths to memory, and bandwidth critical masters, such as the potential PL masters, having high
throughput connections to the slaves with which they need to communicate.
Traffic through the interconnect can be regulated through the Quality of Service (QoS) block in the
interconnect. The QoS feature is used to regulate traffic generated by the CPU, DMA controller, and a
combined entity representing the masters in the IOP.
PS Interfaces
PS External Interfaces
The XA Zynq-7000 SoCs’ PS external interfaces use dedicated pins that cannot be assigned as PL pins.
These include:
•
•
Clock, reset, boot mode, and voltage reference
Up to 54 dedicated multiuse I/O (MIO) pins, software-configurable to connect to any of the internal
I/O peripherals and static memory controllers
•
32-bit or 16-bit DDR2/DDR3L/DDR3/LPDDR2 memories
MIO Overview
The function of the MIO is to multiplex access from the PS peripheral and static memory interfaces to the
PS pins as defined in the configuration registers. There are up to 54 pins available for use by the IOP and
static memory interfaces in the PS. Table 3 shows where the different peripherals pins can be mapped. A
block diagram of the MIO module is shown in Figure 2.
If additional I/O pins beyond the 54 are required, it is possible to route these through the PL to the I/O
associated with the PL. This feature is referred to as extendable multiplexed I/O (EMIO).
Port mappings can appear in multiple locations. For example, there are up to 12 possible port mappings
for CAN pins. The XPS Zynq-7000 SoC’s PS MIO Configuration tool should be used for peripheral and
static memory pin mapping.
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XA Zynq-7000 SoC Data Sheet: Overview
Table 3: MIO Peripheral Interface Mapping
Peripheral
MIO
EMIO
Interface
Quad-SPI
NOR/SRAM
NAND
Yes
No
USB 0,1
Yes — External PHY
Yes — 50 MHz
Yes
No
SDIO 0,1
Yes — 25 MHz
Yes
SPI: 0,1
I2C: 0,1
CAN: 0,1
GPIO
CAN: External PHY
GPIO: Up to 54 bits
CAN: External PHY
GPIO: Up to 64 bits
GigE: 0,1
RGMII v2.0
Supports GMII, RGMII v2.0 (HSTL), RGMII v1.3, and MII in
Programmable Logic
External PHY
UART: 0,1
Simple UART:
Full UART (Tx, Rx, DTR, DCD, DSR, RI, RTS and CTS):
Requires either:
Only two pins
(Tx and Rx)
• Two Processing System pins (Rx and Tx) through MIO and six
additional Programmable Logic pins, or
• Eight Programmable Logic pins
Debug Trace Ports Yes — Up to 16 trace bits Yes — Up to 32 trace bits
Processor JTAG
Yes
Yes
Notes:
1. Restrictions apply for CLG225 package. Refer to UG585, Zynq-7000 SoC Technical Reference Manual (TRM) for details.
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XA Zynq-7000 SoC Data Sheet: Overview
X-Ref Target - Figure 2
EMIO to PL
GMII
GMII
SDIO
SDIO
RGMII
MDIO
GigaEth0
GigaEth1
RGMII
ULPI
ULPI
USB
USB
SDIO
SDIO
SDIO
SDIO
M
I
O
Quad-SPI
Quad-SPI
NAND
Static Memory
Controller
SRAM/NOR
Trace Debug
SPI
SPI
2 SPI
2 CAN
2 UART
2 I2C
CAN
CAN
UART
UART
I2C
I2C
EMIO to PL
DS188_02_090712
Figure 2: MIO Module Block Diagram
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XA Zynq-7000 SoC Data Sheet: Overview
PS-PL Interface
The PS-PL interface includes:
•
AMBA AXI interfaces for primary data communication
•
•
•
Two 32-bit AXI master interfaces
Two 32-bit AXI slave interfaces
Four 64-bit/32-bit configurable, buffered AXI slave interfaces with direct access to DDR memory
and OCM, referred to as high-performance AXI ports
•
One 64-bit AXI slave interface (ACP port) for coherent access to CPU memory
•
DMA, interrupts, events signals
•
•
•
•
Processor event bus for signaling event information to the CPU
PL peripheral IP interrupts to the PS GIC
Four DMA channel signals for the PL
Asynchronous triggering signals
•
•
Extendable multiplexed I/O (EMIO) allows unmapped PS peripherals to access PL I/O
Clocks and resets
•
•
Four PS clock outputs to the PL with start/stop control
Four PS reset outputs to the PL
•
Configuration and miscellaneous
•
Processor configuration access port (PCAP) to support full and partial PL configuration, and
secured PS boot image decryption and authentication
•
JTAG interface
The two highest performance interfaces between the PS and the PL for data transfer are the
high-performance AXI ports and ACP interfaces. The high performance AXI ports are used for high
throughput data transfer between the PS and the PL. Coherency, if required, is managed under software
control. When hardware coherent access to the CPU memory is required, the ACP port is to be used.
High-Performance AXI Ports
The high-performance AXI ports provide access from the PL to DDR and OCM in the PS. The four
dedicated AXI memory ports from the PL to the PS are configurable as either 32-bit or 64-bit interfaces.
As shown in Figure 3, these interfaces connect the PL to the memory interconnect via a FIFO controller.
Two of the three output ports go to the DDR memory controller and the third goes to the dual-ported
on-chip memory (OCM).
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XA Zynq-7000 SoC Data Sheet: Overview
X-Ref Target - Figure 3
To DDR
Controller
From CPU System
Programmable
Logic to Memory
Interconnect
256K
SRAM
OCM
Interconnect
From Central
Interconnect
FIFO FIFO FIFO FIFO
Legend
Arrow direction shows control (master to slave)
data flows in both directions.
AXI 32bit/64bit, AXI 64bit
High-Performance AXI Ports
from Programmable Logic
DS188_03_090712
Figure 3: PL Interface to PS Memory Subsystem
Each high-performance AXI port has these characteristics:
•
•
•
•
•
•
Reduced latency between PL and processing system memory
1 KB deep FIFO
Configurable either as 32- or 64-bit AXI interfaces
Supports up to a 32 word buffer for read acceptance
Supports data release control for write accesses to use AXI interconnect bandwidth more efficiently
Supports multiple AXI commands issuing to DDR and OCM
Accelerator Coherency Port (ACP)
The Zynq-7000 SoC accelerator coherency port (ACP) is a 64-bit AXI slave interface that provides
connectivity between the APU and a potential accelerator function in the PL. The ACP directly connects the
PL to the snoop control unit (SCU) of the ARM Cortex-A9 processors, enabling cache-coherent access to
CPU data in the L1 and L2 caches. The ACP provides a low latency path between the PS and a PL-based
accelerator when compared with a legacy cache flushing and loading scheme.
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XA Zynq-7000 SoC Data Sheet: Overview
Programmable Logic (PL) Description
Key PL features include:
•
CLB
•
•
•
•
Eight LUTs per CLB for random logic implementation or distributed memory
Memory LUTs are configurable as 64x1 or 32x2 bit RAM or shift register (SRL)
16 flip-flops per CLB
2 x 4-bit cascadeable adders for arithmetic functions
•
36 Kb block RAM
•
•
•
True dual-port
Up to 36 bits wide
Configurable as dual 18 Kb block RAMs
•
•
DSP slices
•
•
18 x 25 signed multiply
48-bit adder/accumulator
Programmable I/O blocks
•
•
•
Support for common I/O standards including LVCMOS, LVDS, and SSTL
1.2V to 3.3V I/O
Built-in programmable I/O delay
•
Two 12-bit analog to digital converters (XADC)
•
•
On-chip voltage and temperature
Up to 17 external differential input channels
•
•
•
PL configuration module
Low-power serial transceivers in selected Zynq-7000 SoCs
An integrated Endpoint/Root Port (can be Root Complex when connected to the PS) block for
PCI Express in selected Zynq-7000 SoCs
CLBs, Slices, and LUTs
Some key features of the CLB architecture include:
•
•
•
True 6-input LUTs
Memory capability within the LUT
Register and shift register functionality
The LUTs in the XA Zynq-7000 SoC can be configured as either one 6-input LUT (64-bit ROMs) with one
output, or as two 5-input LUTs (32-bit ROMs) with separate outputs but common addresses or logic inputs.
Each LUT output can optionally be registered in a flip-flop. Four such LUTs and their eight flip-flops as well
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XA Zynq-7000 SoC Data Sheet: Overview
as multiplexers and arithmetic carry logic form a slice, and two slices form a configurable logic block
(CLB). Four of the eight flip-flops per slice (one flip-flop per LUT) can optionally be configured as latches.
Between 25–50% of all slices can also use their LUTs as distributed 64-bit RAM or as 32-bit shift registers
(SRL32) or as two SRL16s. Modern synthesis tools take advantage of these highly efficient logic, arithmetic,
and memory features.
Clock Management
Some of the key highlights of the clock management architecture include:
•
•
•
High-speed buffers and routing for low-skew clock distribution
Frequency synthesis and phase shifting
Low-jitter clock generation and jitter filtering
Each XA Zynq-7000 SoC has up to five clock management tiles (CMTs), each consisting of one
mixed-mode clock manager (MMCM) and one phase-locked loop (PLL).
Table 4: MMCM and PLL Count
Device
XA7Z010
XA7Z020
XA7Z030
MMCMs
PLLs
2
4
5
2
4
5
Mixed-Mode Clock Manager and Phase-Locked Loop
The MMCM and PLL share many characteristics. Both can serve as a frequency synthesizer for a wide range
of frequencies and as a jitter filter for incoming clocks. At the center of both components is a
voltage-controlled oscillator (VCO), which speeds up and slows down depending on the input voltage it
receives from the phase frequency detector (PFD).
There are three sets of programmable frequency dividers: D, M, and O. The pre-divider D (programmable
by configuration and afterwards via DRP) reduces the input frequency and feeds one input of the
traditional PLL phase/frequency comparator. The feedback divider M (programmable by configuration and
afterwards via DRP) acts as a multiplier because it divides the VCO output frequency before feeding the
other input of the phase comparator. D and M must be chosen appropriately to keep the VCO within its
specified frequency range. The VCO has eight equally-spaced output phases: 0°, 45°, 90°, 135°, 180°, 225°,
270°, and 315°. Each can be selected to drive one of the output dividers (six for the PLL, O0 to O5, and
seven for the MMCM, O0 to O6), each programmable by configuration to divide by any integer from 1 to
128.
The MMCM and PLL have three input-jitter filter options: Low-bandwidth mode, which has the best jitter
attenuation; high-bandwidth mode, which has the best phase offset; and optimized mode, which allows
the tools to find the best setting.
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MMCM Additional Programmable Features
The MMCM can have a fractional counter in either the feedback path (acting as a multiplier) or in one
1
output path. Fractional counters allow non-integer increments of /8 and can thus increase frequency
synthesis capabilities by a factor of 8.
The MMCM can also provide fixed or dynamic phase shift in small increments that depend on the VCO
frequency. At 1,200 MHz, the phase-shift timing increment is 15 ps.
Clock Distribution
Each XA Zynq-7000 SoC provides six different types of clock lines (BUFG, BUFR, BUFIO, BUFH, BUFMR, and
the high-performance clock) to address the different clocking requirements of high fanout, short
propagation delay, and extremely low skew.
Global Clock Lines
In each XA Zynq-7000 SoC, 32 global clock lines have the highest fanout and can reach every flip-flop
clock, clock enable, and set/reset as well as many logic inputs. There are 12 global clock lines within any
clock region driven by the horizontal clock buffers (BUFH). Each BUFH can be independently
enabled/disabled, allowing for clocks to be turned off within a region, thereby offering fine-grain control
over which clock regions consume power. Global clock lines can be driven by global clock buffers, which
can also perform glitchless clock multiplexing and clock enable functions. Global clocks are often driven
from the CMT, which can completely eliminate the basic clock distribution delay.
Regional Clocks
Regional clocks can drive all clock destinations in their region. A region is defined as any area that is 50 I/O
and 50 CLB high and half the device wide. XA Zynq-7000 SoCs have between eight and twenty-four
regions. There are four regional clock tracks in every region. Each regional clock buffer can be driven from
either of four clock-capable input pins, and its frequency can optionally be divided by any integer from 1
to 8.
I/O Clocks
I/O clocks are especially fast and serve only I/O logic, as described in the I/O Logic section. XA Zynq-7000
SoCs have a direct connection from the MMCM to the I/O for low-jitter, high-performance interfaces.
Block RAM
Some of the key features of the block RAM include:
•
•
•
Dual-port 36 Kb block RAM with port widths of up to 72
Programmable FIFO logic
Built-in optional error correction circuitry
Every XA Zynq-7000 SoC has between 60 and 265 dual-port block RAMs, each storing 36 Kb. Each block
RAM has two completely independent ports that share nothing but the stored data.
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Synchronous Operation
Each memory access, read or write, is controlled by the clock. All inputs, data, address, clock enables, and
write enables are registered. The input address is always clocked, retaining data until the next operation.
An optional output data pipeline register allows higher clock rates at the cost of an extra cycle of latency.
During a write operation, the data output can reflect either the previously stored data, the newly written
data, or can remain unchanged.
Programmable Data Width
Each port can be configured as 32K × 1, 16K × 2, 8K × 4, 4K × 9 (or 8), 2K × 18 (or 16), 1K × 36 (or 32), or
512 × 72 (or 64). The two ports can have different aspect ratios without any constraints.
Each block RAM can be divided into two completely independent 18 Kb block RAMs that can each be
configured to any aspect ratio from 16K × 1 to 512 × 36. Everything described previously for the full
36 Kb block RAM also applies to each of the smaller 18 Kb block RAMs.
Only in simple dual-port (SDP) mode can data widths of greater than 18 bits (18 Kb RAM) or 36 bits (36 Kb
RAM) be accessed. In this mode, one port is dedicated to read operation, the other to write operation. In
SDP mode, one side (read or write) can be variable, while the other is fixed to 32/36 or 64/72.
Both sides of the dual-port 36 Kb RAM can be of variable width.
Two adjacent 36 Kb block RAMs can be configured as one cascaded 64K × 1 dual-port RAM without any
additional logic.
Error Detection and Correction
Each 64-bit-wide block RAM can generate, store, and utilize eight additional Hamming code bits and
perform single-bit error correction and double-bit error detection (ECC) during the read process. The ECC
logic can also be used when writing to or reading from external 64- to 72-bit-wide memories.
FIFO Controller
The built-in FIFO controller for single-clock (synchronous) or dual-clock (asynchronous or multirate)
operation increments the internal addresses and provides four handshaking flags: full, empty, almost full,
and almost empty. The almost full and almost empty flags are freely programmable. Similar to the block
RAM, the FIFO width and depth are programmable, but the write and read ports always have identical
width.
First word fall-through mode presents the first-written word on the data output even before the first read
operation. After the first word has been read, there is no difference between this mode and the standard
mode.
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XA Zynq-7000 SoC Data Sheet: Overview
Digital Signal Processing — DSP Slice
Some highlights of the DSP functionality include:
•
•
•
25 × 18 twos complement multiplier/accumulator high-resolution (48 bit) signal processor
Power saving pre-adder to optimize symmetrical filter applications
Advanced features: optional pipelining, optional ALU, and dedicated buses for cascading
DSP applications use many binary multipliers and accumulators, best implemented in dedicated DSP
slices. All XA Zynq-7000 SoCs have many dedicated, full custom, low-power DSP slices, combining high
speed with small size while retaining system design flexibility.
Each DSP slice fundamentally consists of a dedicated 25 × 18 bit two's complement multiplier and a 48-bit
accumulator, both capable of operating up to 464 MHz. The multiplier can be dynamically bypassed, and
two 48-bit inputs can feed a single-instruction-multiple-data (SIMD) arithmetic unit (dual 24-bit
add/subtract/accumulate or quad 12-bit add/subtract/accumulate), or a logic unit that can generate any
one of ten different logic functions of the two operands.
The DSP includes an additional pre-adder, typically used in symmetrical filters. This pre-adder improves
performance in densely packed designs and reduces the DSP slice count by up to 50%. The DSP also
includes a 48-bit-wide Pattern Detector that can be used for convergent or symmetric rounding. The
pattern detector is also capable of implementing 96-bit-wide logic functions when used in conjunction
with the logic unit.
The DSP slice provides extensive pipelining and extension capabilities that enhance the speed and
efficiency of many applications beyond digital signal processing, such as wide dynamic bus shifters,
memory address generators, wide bus multiplexers, and memory-mapped I/O register files. The
accumulator can also be used as a synchronous up/down counter.
Input/Output
Some highlights of the PL input/output functionality include:
•
•
•
High-performance SelectIO technology with support for 800 Mb/s DDR3
High-frequency decoupling capacitors within the package for enhanced signal integrity
Digitally Controlled Impedance that can be 3-stated for lowest power, high-speed I/O operation
The number of I/O pins varies depending on device and package size. Each I/O is configurable and can
comply with a large number of I/O standards. With the exception of the supply pins and a few dedicated
configuration pins, all other PL pins have the same I/O capabilities, constrained only by certain banking
rules. The SelectIO resources in XA Zynq-7000 SoCs are classed as High Range (HR). The HR I/Os offer
voltage support that ranges from 1.2V to 3.3V.
All I/O pins are organized in banks, with 50 pins per bank. Each bank has one common VCCO output supply,
which also powers certain input buffers. Some single-ended input buffers require an internally generated
or an externally applied reference voltage (VREF). There are two VREF pins per bank (except configuration
bank 0). A single bank can have only one VREF voltage value.
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XA Zynq-7000 SoCs use small form factor wire-bond and flip-chip packages for lowest cost.
I/O Electrical Characteristics
Single-ended outputs use a conventional CMOS push/pull output structure driving High towards VCCO or
Low towards ground, and can be put into a high-Z state. The system designer can specify the slew rate and
the output strength. The input is always active but is usually ignored while the output is active. Each pin
can optionally have a weak pull-up or a weak pull-down resistor.
Most signal pin pairs can be configured as differential input pairs or output pairs. Differential input pin
pairs can optionally be terminated with a 100Ω internal resistor. All XA Zynq-7000 SoCs support
differential standards beyond LVDS: HT, RSDS, BLVDS, differential SSTL, and differential HSTL.
Each of the I/Os supports memory I/O standards, such as single-ended and differential HSTL as well as
single-ended SSTL and differential SSTL. The SSTL I/O standard can support data rates of up to 667 Mb/s
for DDR3 (-1Q grade) interfacing applications.
3-State Digitally Controlled Impedance and Low-Power I/O Features
The 3-state Digitally Controlled Impedance (T_DCI) can control the output drive impedance (series
termination) or can provide parallel termination of an input signal to VCCO or split (Thevenin) termination
to VCCO/2. This allows users to eliminate off-chip termination for signals using T_DCI. In addition to board
space savings, the termination automatically turns off when in output mode or when 3-stated, saving
considerable power compared to off-chip termination. The I/Os also have low-power modes for IBUF and
IDELAY to provide further power savings, especially when used to implement memory interfaces.
I/O Logic
Input and Output Delay
All inputs and outputs can be configured as either combinatorial or registered. Double data rate (DDR) is
supported by all inputs and outputs. Any input and some outputs can be individually delayed by up to 32
increments of 78 ps or 52 ps each. Such delays are implemented as IDELAY and ODELAY. The number of
delay steps can be set by configuration and can also be incremented or decremented while in use.
ISERDES and OSERDES
Many applications combine high-speed, bit-serial I/O with slower parallel operation inside the device. This
requires a serializer and deserializer (SerDes) inside the I/O structure. Each I/O pin possesses an 8-bit
IOSERDES (ISERDES and OSERDES) capable of performing serial-to-parallel or parallel-to-serial
conversions with programmable widths of 2, 3, 4, 5, 6, 7, or 8 bits. By cascading two IOSERDES from two
adjacent pins (default from differential I/O), wider width conversions of 10 and 14 bits can also be
supported. The ISERDES has a special oversampling mode capable of asynchronous data recovery for
applications like a 1.25 Gb/s LVDS I/O-based SGMII interface.
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Low-Power Serial Transceivers
Some highlights of the low-power serial transceivers include:
•
•
•
High-performance GTX transceivers capable of up to 6.6 Gb/s with lidless flip-chip packages.
Low-power mode optimized for chip-to-chip interfaces.
Advanced Transmit pre and post emphasis, and receiver linear (CTLE) and decision feedback
equalization (DFE), including adaptive equalization for additional margin.
Ultra-fast serial data transmission to optical modules, between ICs on the same PCB, over the backplane,
or over longer distances is becoming increasingly popular and important to enable customer line cards to
scale to 200 Gb/s. It requires specialized dedicated on-chip circuitry and differential I/O capable of coping
with the signal integrity issues at these high data rates.
The Zynq-7000 SoCs transceiver counts range from 0 to 4 transceiver circuits. Each serial transceiver is a
combined transmitter and receiver. The various Zynq-7000 serial transceivers can use a combination of
ring oscillators and LC tank architecture to allow the ideal blend of flexibility and performance while
enabling IP portability across the family members. Lower data rates can be achieved using Zynq-7000
logic-based oversampling. The serial transmitter and receiver are independent circuits that use an
advanced PLL architecture to multiply the reference frequency input by certain programmable numbers
between 4 and 25 to become the bit-serial data clock. Each transceiver has a large number of
user-definable features and parameters. All of these can be defined during device configuration, and
many can also be modified during operation.
Transmitter
The transmitter is fundamentally a parallel-to-serial converter with a conversion ratio of 16, 20, 32, 40, 64,
or 80. This allows the designer to trade-off datapath width for timing margin in high-performance designs.
These transmitter outputs drive the PC board with a single-channel differential output signal. TXOUTCLK
is the appropriately divided serial data clock and can be used directly to register the parallel data coming
from the internal logic. The incoming parallel data is fed through an optional FIFO and has additional
hardware support for the 8B/10B, 64B/66B, or 64B/67B encoding schemes to provide a sufficient number
of transitions. The bit-serial output signal drives two package pins with differential signals. This output
signal pair has programmable signal swing as well as programmable pre- and post-emphasis to
compensate for PC board losses and other interconnect characteristics. For shorter channels, the swing
can be reduced to reduce power consumption.
Receiver
The receiver is fundamentally a serial-to-parallel converter, changing the incoming bit-serial differential
signal into a parallel stream of words, each 16, 20, 32, 40, 64, or 80 bits. This allows the designer to
trade-off internal datapath width versus logic timing margin. The receiver takes the incoming differential
data stream, feeds it through programmable linear and decision feedback equalizers (to compensate for
PC board and other interconnect characteristics), and uses the reference clock input to initiate clock
recognition. There is no need for a separate clock line. The data pattern uses non-return-to-zero (NRZ)
encoding and optionally guarantees sufficient data transitions by using the selected encoding scheme.
Parallel data is then transferred into the PL using the RXUSRCLK clock. For short channels, the transceivers
offers a special low power mode (LPM) for additional power reduction.
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Out-of-Band Signaling
The transceivers provide out-of-band (OOB) signaling, often used to send low-speed signals from the
transmitter to the receiver while high-speed serial data transmission is not active. This is typically done
when the link is in a powered-down state or has not yet been initialized. This benefits PCI Express and
SATA/SAS applications.
Integrated Block for PCI Express Designs
Highlights of the integrated block for PCI Express include:
•
•
•
Compliant to the PCI Express Base Specification 2.1 with Endpoint and Root Port capability
Supports Gen1 (2.5 Gb/s) and Gen2 (5 Gb/s)
Advanced configuration options, Advanced Error Reporting (AER), and End-to-End CRC (ECRC)
Advanced Error Reporting and ECRC features
All Zynq-7000 SoCs with transceivers include an integrated block for PCI Express technology that can be
configured as an Endpoint or Root Port, compliant to the PCI Express Base Specification Revision 2.1. The
Root Port can be used to build the basis for a compatible Root Complex, to allow custom communication
between the Zynq-7000 SoC and other devices via the PCI Express protocol, and to attach ASSP Endpoint
devices, such as Ethernet Controllers or Fibre Channel HBAs, to the Zynq-7000 SoC.
This block is highly configurable to system design requirements and can operate 1, 2, or 4 lanes at the
2.5 Gb/s and 5.0 Gb/s data rates. For high-performance applications, advanced buffering techniques of
the block offer a flexible maximum payload size of up to 1,024 bytes. The integrated block interfaces to the
integrated high-speed transceivers for serial connectivity and to block RAMs for data buffering.
Combined, these elements implement the Physical Layer, Data Link Layer, and Transaction Layer of the
PCI Express protocol.
Xilinx provides a light-weight, configurable, easy-to-use LogiCORE™ IP wrapper that ties the various
building blocks (the integrated block for PCI Express, the transceivers, block RAM, and clocking resources)
into an Endpoint or Root Port solution. The system designer has control over many configurable
parameters: lane width, maximum payload size, PL interface speeds, reference clock frequency, and base
address register decoding and filtering.
Xilinx offers a wrapper for the integrated block: AXI4 (memory mapped). AXI4 (memory mapped) is
designed for Xilinx Platform Studio/EDK design flow and MicroBlaze™ processor based designs.
More information and documentation on solutions for PCI Express designs can be found at:
http://www.xilinx.com/technology/protocols/pciexpress.htm.
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XA Zynq-7000 SoC Data Sheet: Overview
XADC (Analog-to-Digital Converter)
Highlights of the XADC architecture at I-grade temperature specs include:
•
•
•
•
•
Dual 12-bit 1 MSPS analog-to-digital converters (ADCs)
Up to 17 flexible and user-configurable analog inputs
On-chip or external reference option
On-chip temperature (±4°C max error) and power supply (±1% max error) sensors
Continuous JTAG access to ADC measurements
All XA Zynq-7000 SoCs integrate a new flexible analog interface called XADC. When combined with the
programmable logic capability of the XA Zynq-7000 SoCs, the XADC can address a broad range of data
acquisition and monitoring requirements. For more information, go to: http://www.xilinx.com/ams.
The XADC contains two 12-bit 1 MSPS ADCs with separate track and hold amplifiers, an on-chip analog
multiplexer (up to 17 external analog input channels supported), and on-chip thermal and supply sensors.
The two ADCs can be configured to simultaneously sample two external-input analog channels. The track
and hold amplifiers support a range of analog input signal types, including unipolar, bipolar, and
differential. The analog inputs can support signal bandwidths of at least 500 KHz at sample rates of
1MSPS. It is possible to support higher analog bandwidths using external analog multiplexer mode with
the dedicated analog input (see UG480, 7 Series FPGAs and Zynq-7000 SoC XADC Dual 12-Bit 1MSPS
Analog-to-Digital Converter User Guide).
The XADC optionally uses an on-chip reference circuit (±1%), thereby eliminating the need for any
external active components for basic on-chip monitoring of temperature and power supply rails. To
achieve the full 12-bit performance of the ADCs, an external 1.25V reference IC is recommended.
If the XADC is not instantiated in a design, then by default it digitizes the output of all on-chip sensors.
The most recent measurement results (together with maximum and minimum readings) are stored in
dedicated registers for access at any time via the JTAG interface. User-defined alarm thresholds can
automatically indicate over-temperature events and unacceptable power supply variation. A
user-specified limit (for example, 100°C) can be used to initiate an automatic power-down.
System-Level Functions
Several functions span both the PS and PL and include:
•
•
•
•
•
Reset management
Clock management
Device configuration
Hardware and software debug support
Power management
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Reset Management
The reset management function provides the ability to reset the entire device or individual units within it.
The PS supports these reset functions and signals:
•
•
•
•
•
•
External and internal power-on reset signal
Warm reset
Watchdog timer reset
User resets to PL
Software, watchdog timer, or JTAG provided resets
Security violation reset (locked down reset)
Clock Management
The PS in the Zynq-7000 product family is equipped with three phase-locked loops (PLLs), providing
flexibility in configuring the clock domains within the PS. There are three primary clock domains of interest
within the PS. These include the APU, the DDR controller, and the I/O peripherals (IOP). The frequencies of
all of these domains can be configured independently under software control.
PS Boot and Device Configuration
XA Zynq-7000 SoCs use a multi-stage boot process that supports both a non-secure and a secure boot.
The PS is the master of the boot and configuration process. For a secure boot, the PL must be powered on
to enable the use of the security block located within the PL, which provides 256-bit AES and SHA
decryption/authentication.
Upon reset, the device mode pins are read to determine the primary boot device to be used: NOR, NAND,
Quad-SPI, SD, or JTAG. JTAG can only be used as a non-secure boot source and is intended for debugging
purposes. One of the ARM Cortex-A9 CPUs executes code out of on-chip ROM and copies the first stage
boot loader (FSBL) from the boot device to the OCM.
After copying the FSBL to OCM, the processor executes the FSBL. Xilinx supplies example FSBLs or users
can create their own. The FSBL initiates the boot of the PS and can load and configure the PL, or
configuration of the PL can be deferred to a later stage. The FSBL typically loads either a user application
or an optional second stage boot loader (SSBL) such as U-Boot. Users obtain the SSBL from Xilinx or a third
party, or they can create their own SSBL. The SSBL continues the boot process by loading code from any
of the primary boot devices or from other sources such as USB, Ethernet, etc. If the FSBL did not configure
the PL, the SSBL can do so, or again, the configuration can be deferred to a later stage.
The static memory interface controller (NAND, NOR, or Quad-SPI) and SDIO are configured using default
settings. To improve device configuration speed, these settings can be modified by information provided
in the boot image header. The ROM boot image is not user readable or callable after boot.
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Hardware and Software Debug Support
The debug system used in the XA Zynq-7000 SoC is based on ARM’s CoreSight architecture. It uses ARM
CoreSight components including an embedded trace buffer (ETB), a program trace Macrocell (PTM), and
an instrument trace Macrocell (ITM). This enables instruction trace features as well as hardware
breakpoints and triggers. The programmable logic can be debugged with the Xilinx ChipScope™ Pro
embedded logic analyzer.
Debug Ports
There are two JTAG ports available that can be chained together or used separately. When chained
together, a single port is used for ARM processor code downloads and run-time control operations, PL
configuration, and PL debug with the ChipScope Pro embedded logic analyzer. This enables tools such as
the Xilinx Software Development Kit (SDK) and ChipScope Pro analyzer to share a single download cable
from Xilinx.
When the JTAG chain is split, one port is used for PS support, including direct access to the ARM DAP
interface. This CoreSight interface enables the use of ARM-compliant debug and software development
tools such as Development Studio 5 (DS-5). The other JTAG port can then be used by the Xilinx FPGA tools
for access to the PL, including configuration bitstream downloads and PL debug with the ChipScope Pro
analyzer. In this mode, users can download to, and debug the PL in the same manner as a stand-alone
FPGA.
Power Management
The PS and PL reside on different power planes. This enables the PS and PL to be connected to
independent power rails, each with its own dedicated power supply pins. If PL power-off mode is not
needed, the user can tie the PS and PL power rails together. When the PS is in power-off mode, it holds the
PL in a permanent reset condition. The power control for the PL is accomplished through external pins to
the PL. External power management circuitry can be used to control power. The external power
management circuitry could be controlled by software and the PS GPIO.
Power Modes
These are a few of the power savings modes offered by the XA Zynq-7000 SoC:
•
Programmable Logic Power Off (Sleep)
•
The PS and PL reside on different power planes and the PS can run with the PL powered off. For
security reasons, the PL cannot be powered on before the PS. The PL requires reconfiguration after
each power-on. The user should take PL configuration time into consideration when using this
power savings mode.
•
•
PS Clock Control
•
The PS can be run at a reduced clock rate down to 30 MHz using the internal PLLs. The clock rate
can be changed dynamically. To change the clock dynamically, the user must unlock the system
control register to access the PS clock control register or the clock generation control register.
Single Processor Mode
•
In this mode, the second Cortex-A9 CPU is switched off using clock gating and the first CPU is
kept fully operational.
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Power Examples
Power for the XA Zynq-7000 SoCs varies depending on the utilization of the PL resources, and the
frequency of the PS and PL. To estimate power, use Xilinx Power Estimator (XPE) at
http://www.xilinx.com/products/design_tools/logic_design/xpe.htm.
Memory Map
XA Zynq-7000 SoCs support a 4 GB address space, organized as described in Table 5.
Table 5: Memory Map
Start
Address
Size (MB)
Description
0x0000_0000
0x4000_0000
0x8000_0000
0xE000_0000
0xF000_0000
0xF800_0000
0xFA00_0000
1,024
1,024
1,024
256
DDR DRAM and on-chip memory (OCM)
PL AXI slave port #0
PL AXI slave port #1
IOP devices
128
Reserved
32
Programmable registers access via AMBA APB bus
Reserved
32
Quad-SPI linear address base address (except top
64 MB - 256 KB 256 KB which is in OCM), 64 MB reserved, only
32 MB is currently supported
0xFC00_0000
0xFFFC_0000
256 KB
OCM when mapped to high address space
Ordering Information
Table 6 shows the speed and temperature grades available in the different device families. Some devices
might not be available in every speed and temperature grade.
Table 6: Speed Grade and Junction Temperature Ranges
Speed Grade and Junction Temperature Range
Device
Industrial (I)
–40°C to +100°C
Automotive (Q)
–40°C to +125°C
XA Zynq-7000
-1
-1
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XA Zynq-7000 SoC Data Sheet: Overview
The ordering information, shown in Figure 4, applies to all packages including Pb-Free.
X-Ref Target - Figure 4
Example:
X A 7 Z 0 2 0 - 1 C L G 4 8 4 I
Part Number
Junction Temperature Range
I = Industrial (Tj = –40°C to +100°C)
Q = Automotive (Tj = –40°C to +125°C)
Speed Grade
(-1)
Number of Pins
Pb-Free
V = RoHS 6/6
(CL)G = RoHS 6/6
(FB)G = RoHS 6/6 with exemption 15
Package Type
DS188_04_092915
Figure 4: Ordering Information
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XA Zynq-7000 SoC Data Sheet: Overview
Revision History
The following table shows the revision history for this document:
Date
Version
1.3.2
1.3.1
1.3
Description of Revisions
07/02/2018
07/08/2016
10/15/2015
Typographical updates.
Typographical updates.
Changed document classification to Product Specification from Advance Product
Specification. Updated Table 2. Updated Ordering Information.
10/10/2014
06/04/2014
1.2
1.1
Added DDR3L to: External Memory Interfaces; Table 1; Memory Interfaces; Dynamic
Memory Interfaces; and PS External Interfaces. Updated I/O Peripherals (IOP) and Clock
Management.
Added Z-7030 device; Serial Transceivers; PCI Express® Block; Table 4; Low-Power
Serial Transceivers; Integrated Block for PCI Express Designs
Updated Table 1; Table 2; Application Processor Unit (APU); Programmable Logic (PL)
Description; Clock Management; Block RAM; Input/Output; Power Examples (including
the removal of Table 4), and XADC (Analog-to-Digital Converter).
10/15/2012
1.0
Initial Xilinx release.
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