LS1046ARDB-PB [NXP]
INTERFACE QUICK REFERENCE;
| 型号： | LS1046ARDB-PB |
| 厂家： | 
NXP |
| 描述： | INTERFACE QUICK REFERENCE |
| 文件： | 总1页 (文件大小：424K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SOLUTIONS
AROUND
TꢂE CORE
LS1046A – INTERFACE QUICK REFERENCE
SECURE INTERFACES
AND POꢄER
LS1046A Reference Design Block Diagram
General CPU interface
INTERFACE DISCOVERY QUESTIONS
USB2.0
RS232
Kinetis
K22 uC
UART1
LS1046A
NX3L4684TK
JTAG
2100 MT/s
COP
NX3DV42GU x 3
DDR4
UDIMM X72
8 GB Dual
Rank
4 Does your LS1046A design offer plug-in modules like SD Card
DDR4
IFC
IEEE
ENET
1588
EC4
EC3
EC2
EC1
RGMII
PHY
RGMII
PHY
PCA9306/PCA9617
I2C level translator
RJ45
RJ45
or eMMC memory?
— Analog switches enable multiple interface ports while
utilizing minimum I/O pins
512 MB
SLC
SGMII
PHY
RJ45
RJ45
NAND
SGMII
PHY
NX3DV42G4
NTB0102DP
4
Does your design use USB interface – Type A, Micro B or Type-C?
CPLD
USB
PQe
x1
x1
Mini PCIe
I2
C
PCIe1
PCIe2
PCIe3
64 MB
FLASH
— Load switches offer the extra protection with OVP, OCP, OTP,
very critical with Type-C
PCLe
3.0
PCIe x1
SLOT
QSPI_A
SDHC
NX3DV221TKX x 3
64 MB
FLASH
x1
x1
PCIe x1
SLOT
SD
Card
4 Does your design need voltage level translators: I2C or
OR
Retimer
SFP CAGE
XFI
4 GB
eMMC
NX3DV42GU x 3
general purpose ?
4 KB
x1
— Peripheral devices use different voltages than the
processor voltage
4 Does your design need temperature sensor with alerts capability?
4 Does your system need a real time clock for time-keeping?
10/2.5 G
PHY
EEPROM
RJ46
XFI/2-5G SGMII
SATA
I2C
RTC
PCF2129AT/2
SATA
TEMP
ADT7461ARMZ-R7
SA56004X
TMU/PD
DUART
SENSOR
USB3.0
RS232
x2
RJ45
x2
NX5P2190UKZ
NX5P2190UKZ
X1 MicroAB
USB3.0
USB3.0
— PCF85063A or PCF85263A for low power and
PCF2129AT/2 for higher accuracy
X1 MicroAB
LS1046A Reference Design Interface Products
Device
Description
Key Features/ Differentiators
NX3L4684TK,115
Dual low-ohmic single-pole
double-throw analog switch
• Wide supply voltage: 1.4 V to 4.3 V; Low ON resistance -High noise immunity
• Latch-up performance exceeds 100 mA per JESD 78B Class II Level A
• Very low supply current, even when input is below VCC
NTB0102DP,125
NX5P2190UKZ
2-bit, dual supply voltage
level translator
• Bi-direction and auto sensing
• Wide supply voltage VCC(A): 1.2 V to 3.6 V and VCC(B): 1.65 V to 5.5 V
• Latch-up performance exceeds 100 mA per JESD 78B Class II
Logic controlled high-side
power switch
• Advanced power switch with adjustable current limit
• Under-voltage and over-voltage lockout, over-current, over-temperature, reverse
bias, in-rush current protection
• 30 V tolerant on VBUS; Low-power mode (ground current 20 microA typical)
PCF2129AT/2,518
NX3DV42GU,115
NX3DV221TKX
Real Time Clock (RTC)
• I²C-bus or SPI-bus
integrated temp compensated • Backup battery switch-over circuit, a programmable watchdog, timestamp
crystal
• ±3 ppm from -15 °C to +60 °C
• Supply voltage: 3.0 V to 4.3 V
Dual high-speed USB 2.0
double-pole double-throw
analog switch
• 4 ohms typical ON resistance; 7.3 pF typical ON capacitance
• 950 MHz typical bandwidth or data frequency; Low crosstalk of -30 dB at 240 MHz
For more information on the LS1046A
High-speed USB 2.0 switch with • Switch voltage accepts signals up to 5.5 V;1.8 V control logic at VCC = 3.6 V
enable
• Low-power mode when OE is HIGH (2 microA maximum)
reference design, visit nxp.com/LS1046ARDB
• 6 ohms (maximum) ON resistance; 6 pF (typical) ON-state capacitance
• 0.1 ohms (typical) ON resistance mismatch between channels
• High bandwidth (1.0 GHz typical)advanced power switch with adjustable current limit
PCA9306DCUR –VSSP
Dual bidirectional I2C bus
• Bidirectional voltage translation with no direction pin; Lock-up free operation
• Less than 1.5 ns maximum propagation delay to accommodate Standard-mode
and Fast-mode I2C-bus devices and multiple masters
(Equivalent part on board) and SMBus voltage-level
translator
• 5 V tolerant I2C-bus I/O ports to support mixed-mode signal operation
SA56004X
Remote/local digital
temperature sensor
• Over temperature alarms
(Equivalent part on board)
• SMBus time-out protocol
NXP and the NXP logo are trademarks of NXP B.V. All other product or service names are the property of their respective owners. © 2017 NXP B.V.
Document Number: LS1046AQRS REV 0
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