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46-3001-75 [ZILOG]

Factory-default operating clock frequency at 50 MHz;
46-3001-75
型号： 46-3001-75
厂家： ZILOG, INC.    ZILOG, INC.
描述：

Factory-default operating clock frequency at 50 MHz
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eZ80F915005MODG  
eZ80F91  
Mini Enet Module  
Product Specification  
PS023603-0907  
PRELIMINARY  
Copyright ©2007 by Zilog®, Inc. All rights reserved.  
www.zilog.com  
Warning:  
DO NOT USE IN LIFE SUPPORT  
LIFE SUPPORT POLICY  
ZILOG'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE  
SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS PRIOR WRITTEN APPROVAL OF  
THE PRESIDENT AND GENERAL COUNSEL OF ZILOG CORPORATION.  
As used herein  
Life support devices or systems are devices which (a) are intended for surgical implant into the body, or (b)  
support or sustain life and whose failure to perform when properly used in accordance with instructions for  
use provided in the labeling can be reasonably expected to result in a significant injury to the user. A  
critical component is any component in a life support device or system whose failure to perform can be  
reasonably expected to cause the failure of the life support device or system or to affect its safety or  
effectiveness.  
Document Disclaimer  
©2007 by Zilog, Inc. All rights reserved. Information in this publication concerning the devices,  
applications, or technology described is intended to suggest possible uses and may be superseded. ZILOG,  
INC. DOES NOT ASSUME LIABILITY FOR OR PROVIDE A REPRESENTATION OF ACCURACY  
OF THE INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED IN THIS DOCUMENT.  
ZILOG ALSO DOES NOT ASSUME LIABILITY FOR INTELLECTUAL PROPERTY  
INFRINGEMENT RELATED IN ANY MANNER TO USE OF INFORMATION, DEVICES, OR  
TECHNOLOGY DESCRIBED HEREIN OR OTHERWISE. The information contained within this  
document has been verified according to the general principles of electrical and mechanical engineering.  
Z8, Z8 Encore!, Z8 Encore! XP, Z8 Encore! MC, Crimzon, eZ80, and ZNEO are trademarks or registered  
trademarks of Zilog, Inc. All other product or service names are the property of their respective owners.  
PS023603-0907  
P R E L I M I N A R Y  
eZ80F91 Mini Enet Module  
Product Specification  
iii  
Revision History  
Each instance in Revision History reflects a change to this document from its previous  
revision. For more details, refer to the corresponding pages and appropriate links in the  
table below.  
Revision  
Date  
Level  
Description  
Page No  
August 2007  
3
Changed eZ80F915005MOD to  
eZ80F915005MODG  
i
August 2004  
May 2004  
2
1
All  
All  
Added new dimensions figure for the  
module  
Original issue  
PS023603-0907  
P R E L I M I N A R Y  
Revision History  
eZ80F91 Mini Enet Module  
Product Specification  
iv  
Table of Contents  
eZ80F91 Mini Enet Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
Module Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
eZ80F91 Controller Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Mini Module Connector J1 – Peripheral Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Mini Module Connector J2 – I/O Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Onboard Component Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
I/O Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Peripheral Bus Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Ethernet PHY and RJ45 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Ethernet LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
5 MHz Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
IrDA Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
Serial Interface Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
Module Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18  
PS023603-0907  
P R E L I M I N A R Y  
Table of Contents  
eZ80F91 Mini Enet Module  
Product Specification  
1
eZ80F91 Mini Enet Module  
Zilog’s eZ80F91 Mini Enet Module is a compact, high-performance Ethernet module  
specially designed for the rapid development and deployment of embedded systems  
requiring control and Internet/Intranet connectivity.  
This expandable module is powered by Zilog’s latest power-efficient, high-speed,  
optimized pipeline architecture eZ80F91 microcontroller, a member of Zilog’s family of  
eZ80Acclaim!® Flash Microcontrollers.  
The eZ80F91 is a high-speed single-cycle instruction-fetch microcontroller, which can  
operate with a clock speed of 50 MHz. It can operate in Z80®-compatible addressing  
mode (64 KB) or full 24-bit addressing mode (16 MB).  
The rich peripheral set of eZ80F91 Mini Enet Module makes it suitable for a variety of  
applications, including industrial control, IrDA connectivity, communication, security,  
automation, point-of-sale terminals, and embedded networking applications.  
Module Features  
Features of eZ80F91 Mini Enet Module include:  
•
Factory-default 5 MHz crystal oscillator input, 50 MHz maximum operating speed via  
PLL  
•
•
•
•
•
•
•
10/100 Base-T Ethernet PHY with RJ45 connector  
128 KB fast external SRAM  
256 KB on-chip Flash memory  
8 KB on-chip SRAM  
Real-time clock support  
I/O connector provides 32 general-purpose 5 V-tolerant I/O pinouts  
Onboard connector provides I/O bus for external peripheral connections (IRQ, CS, 24 ad-  
dress, 8 data)  
•
•
•
•
Connection to eZ80Acclaim! development platform via two 56-pin mini-headers  
Small footprint 50 mm x 47.5 mm  
3.3 V power supply  
Standard operating temperature range: 0 ºC to +70 ºC  
PS023603-0907  
P R E L I M I N A R Y  
eZ80F91 Mini Enet Module  
eZ80F91 Mini Enet Module  
Product Specification  
2
eZ80F91 Controller Features  
Features of eZ80F91 Controller includes:  
•
•
•
•
The eZ80F91 device contains 256 KB of Flash memory and 8 KB of SRAM  
Single-cycle instruction fetch, high-performance, pipelined eZ80® CPU core  
10/100 Mbps Ethernet MAC with 8 KB frame buffer  
Low power features including SLEEP mode, HALT mode, and selective peripheral  
power-down control  
•
•
•
•
•
•
Two UARTs with independent baud rate generators and support for 9-bit operation  
SPI with independent clock generator  
I2C with independent clock generator  
Infrared Data Association (IrDA)-compliant infrared encoder/decoder  
DMA-like eZ80 instructions for efficient block data transfer  
External interface with 4 chip selects, individual wait state generators, and an external  
WAIT input pin — supports Intel- and Motorola-style buses  
•
•
Flexible-priority vectored interrupts (both internal and external) and interrupt controller  
Real-time clock with on-chip 32 kHz oscillator, selectable 50/60 Hz input, and separate  
VDD pin for battery backup  
•
•
•
•
•
•
•
Four 16-bit Counter/Timers with prescalers and direct input/output drive  
Watchdog Timer  
32 bits of general-purpose I/O  
JTAG and ZDI debug interfaces  
144-pin BGA package  
3.0–3.6 V supply voltage with 5 V tolerant inputs  
Standard operating temperature range: 0 ºC to +70 ºC  
PS023603-0907  
P R E L I M I N A R Y  
eZ80F91 Mini Enet Module  
eZ80F91 Mini Enet Module  
Product Specification  
3
Block Diagram  
Figure 1 displays a block diagram of the eZ80F91 Mini Enet Module.  
128KB SRAM  
System Bus consists of 24 bits  
of address, 8 bits of data, 32  
bits of GPIO and control  
signals.  
10/100 Ethernet PHY  
MII  
eZ80F91  
SIR IrDA  
(not installed)  
56-Pin Connector J1  
56-Pin Connector J2  
Figure 1. eZ80F91 Mini Enet Module Functional Block Diagram  
PS023603-0907  
P R E L I M I N A R Y  
eZ80F91 Mini Enet Module  
eZ80F91 Mini Enet Module  
Product Specification  
4
Pin Description  
Mini Module Connector J1 – Peripheral Bus  
Figure 2 illustrates the pin layout of the 56-pin Peripheral Bus Connector (J1) of the  
eZ80F91 Mini Enet Module. The eZ80F91 Mini Enet Module is designed to connect to  
your applications via connectors J1 and J2, where the entire system bus and I/O port  
signals are available. The module is also compatible with Zilog’s eZ80F91 Modular  
Development System (eZ80F910100KIT). Table 1 on page 5 lists the pins and their  
functions.  
J1  
VCC_33V  
A0  
VCC_33V  
2
4
1
A6  
3
A2  
A7  
6
5
A1  
A3  
A8  
8
7
A10  
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
52  
54  
56  
9
GND  
D5  
GND  
-RD  
D1  
D0  
A17  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
41  
43  
45  
47  
49  
51  
53  
55  
D4  
D2  
D6  
GND  
GND  
A18  
A20  
A22  
A19  
A21  
A23  
-CS3  
-CS0  
VCC_33V  
VCC_33V  
-F91_WE  
-CS2  
RTC_VDD  
D3  
GND  
GND  
-HALT_SLP  
D7  
A13  
-WR  
A11  
A12  
A9  
GND  
A14  
GND  
A5  
A16  
A4  
A15  
GND  
GND  
VCC_SRAM  
VCC_SRAM  
Figure 2. eZ80F91 Mini Enet Module Peripheral Bus Mini Connector Pin Configuration—J1  
PS023603-0907  
P R E L I M I N A R Y  
Pin Description  
eZ80F91 Mini Enet Module  
Product Specification  
5
Note:  
All signals with an overline are active Low. For example, B/W, for  
which WORD is active Low, and B/W, for which BYTE is active Low.  
1,2  
Table 1. eZ80Acclaim! Development Platform Peripheral Bus Connector J1 Identification  
Pin No Symbol  
Signal Direction Active Level eZ80F91 Signal Comments  
3
A6  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Output  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
Low  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
4
A0  
5
A7  
6
A2  
7
A8  
8
A1  
9
A102  
A3  
10  
13  
14  
15  
16  
17  
18  
19  
20  
23  
24  
25  
26  
Notes  
RD  
D5  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
D1  
D4  
D0  
D2  
A17  
D6  
A19  
A18  
A21  
A20  
1. For the sake of simplicity in describing the interface, Power and Ground nets are omitted from this  
table. The entire interface is represented in the eZ80F91 Mini Enet Module schematics on pages  
16 through 17.  
2. Additional note: external capacitive loads on RD, WR, IORQ, MREQ, D0–D7 and A0–A23 should  
be below 10 pF to satisfy the timing requirements for the eZ80 CPU. All unused inputs should be  
pulled to either V  
or GND, depending on their inactive levels to reduce power consumption and  
DD  
to reduce noise sensitivity. To prevent EMI, the EZ80CLK output can be deactivated via software  
in the eZ80F91’s Peripheral Power-Down Register.  
PS023603-0907  
P R E L I M I N A R Y  
Pin Description  
eZ80F91 Mini Enet Module  
Product Specification  
6
1,2  
Table 1. eZ80Acclaim! Development Platform Peripheral Bus Connector J1 Identification  
(Continued)  
Pin No Symbol  
Signal Direction Active Level eZ80F91 Signal Comments  
27  
28  
29  
33  
34  
35  
36  
39  
40  
41  
42  
43  
44  
45  
46  
49  
50  
51  
52  
Notes  
A23  
Bidirectional  
Output  
n/a  
Low  
Low  
Low  
Low  
n/a  
Yes  
Yes  
Yes  
No  
CS0  
CS3  
F91_WE  
CS0  
D3  
Output  
Input  
Jumper on board  
Output  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Bidirectional  
Input  
RTC_V  
D7  
n/a  
n/a  
DD  
Bidirectional  
HALT_SLP Output  
Low  
n/a  
Low  
n/a  
n/a  
n/a  
n/a  
A13  
WR  
A12  
A11  
A14  
A9  
Bidirectional  
Ouput  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
A16  
A5  
n/a  
n/a  
A15  
A4  
n/a  
n/a  
1. For the sake of simplicity in describing the interface, Power and Ground nets are omitted from this  
table. The entire interface is represented in the eZ80F91 Mini Enet Module schematics on pages  
16 through 17.  
2. Additional note: external capacitive loads on RD, WR, IORQ, MREQ, D0–D7 and A0–A23 should  
be below 10 pF to satisfy the timing requirements for the eZ80 CPU. All unused inputs should be  
pulled to either V  
or GND, depending on their inactive levels to reduce power consumption and  
DD  
to reduce noise sensitivity. To prevent EMI, the EZ80CLK output can be deactivated via software  
in the eZ80F91’s Peripheral Power-Down Register.  
PS023603-0907  
P R E L I M I N A R Y  
Pin Description  
eZ80F91 Mini Enet Module  
Product Specification  
7
Mini Module Connector J2 – I/O Ports  
Figure 3 illustrates the pin layout of the 56-pin I/O Connector (J2) of the eZ80F91 Mini  
Enet Module. The eZ80F91 Mini Enet Module is designed to connect to your applications  
via connectors J1 and J2, where the entire system bus and I/O port signals are available.  
The module is also compatible with Zilog’s eZ80F91 Modular Development System  
(eZ80F910100KIT). Table 2 on page 8 lists the pins and their functions.  
J2  
PA4  
PA5  
PA0  
PA1  
PA3  
2
4
1
PA7  
3
PB5  
PB6  
6
5
8
7
EZ80CLK  
VCC_33V  
PB1  
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
52  
54  
56  
9
PB7  
PB3  
PC7  
PA2  
GND  
PB0  
PC5  
PC1  
PC0  
GND  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
41  
43  
45  
47  
49  
51  
53  
55  
PC4  
PA6  
PB4  
GND  
PB2  
PC6  
PC3  
PC2  
GND  
TMS  
PD7  
PD6  
PD5  
PD3  
PD4  
TRIGOUT  
GND  
-TRSTN  
GND  
PD1  
PD0  
TCK  
TDI  
PD2  
TDO  
GND  
GND  
-DIS_IRDA  
IICSCL  
IICSDA  
-NMI  
-WAIT  
-RST  
VCC_33V  
VCC_33V  
Figure 3. eZ80F91 Mini Enet Module I/O Mini Module Connector Pin Configuration—J2  
PS023603-0907  
P R E L I M I N A R Y  
Pin Description  
eZ80F91 Mini Enet Module  
Product Specification  
8
1
Table 2. eZ80Acclaim! Development Platform/O Mini-Module Connector J2 Identification  
2
Pin No  
1
Symbol  
PA3  
PA4  
PA7  
PA5  
PB5  
PA0  
PB6  
PA1  
EZ80CLK  
PB1  
PB7  
PC4  
PB3  
PA6  
PC7  
PB4  
PA2  
PB3  
PB0  
PC6  
PC5  
PC3  
PC1  
PC2  
PC0  
Signal Direction  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Output  
Active Level eZ80F91 Signal  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
2
3
4
5
6
7
8
10  
11  
12  
13  
14  
15  
16  
17  
18  
21  
22  
23  
24  
25  
26  
27  
28  
Notes  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
1. For the sake of simplicity in describing the interface, Power and Ground nets are omitted  
from this table. The entire interface is represented in the eZ80F91 Mini Enet Module sche-  
matics on pages 16 through 17.  
2. The Power and Ground nets are connected directly to the eZ80F91 device.  
PS023603-0907  
P R E L I M I N A R Y  
Pin Description  
eZ80F91 Mini Enet Module  
Product Specification  
9
1
Table 2. eZ80Acclaim! Development Platform/O Mini-Module Connector J2 Identification  
(Continued)  
2
Pin No  
31  
Symbol  
TMS  
Signal Direction  
Input  
Active Level eZ80F91 Signal  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
Low  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
n/a  
Low  
n/a  
Low  
n/a  
Low  
Low  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
No  
32  
PD7  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Input  
33  
PD6  
34  
PD5  
35  
PD3  
36  
PD4  
37  
TRSTN  
TRIGOUT  
TCK  
38  
Output  
41  
Input  
42  
PD1  
Bidirectional  
Bidirectional  
Bidirectional  
Bidirectional  
Output  
43  
TDI  
44  
PD0  
45  
PD2  
46  
TDO  
49  
DIS_IRDA  
IICSCL  
WAIT  
IICSDA  
RST  
Input  
50  
I/O  
Yes  
Yes  
Yes  
Yes  
Yes  
51  
Input  
52  
I/O  
53  
I/O  
54  
NMI  
Input  
Notes  
1. For the sake of simplicity in describing the interface, Power and Ground nets are omitted  
from this table. The entire interface is represented in the eZ80F91 Mini Enet Module sche-  
matics on pages 16 through 17.  
2. The Power and Ground nets are connected directly to the eZ80F91 device.  
PS023603-0907  
P R E L I M I N A R Y  
Pin Description  
eZ80F91 Mini Enet Module  
Product Specification  
10  
Onboard Component Description  
I/O Connector  
The I/O connector features 32 general-purpose 3.3 V CMOS I/O pins that can be used as  
outputs or inputs interfacing to external logic. All I/Os are 5 V tolerant. Some of the  
general-purpose I/O pins support dual mode functions (SPI, Timer I/O, UARTs and bit I/O  
with edge- or level-triggered interrupt functions on each pin). For more information on  
eZ80F91 dual modes, refer to eZ80F91 Product Specification (PS0192)  
.
Peripheral Bus Connector  
The peripheral bus connector features 24-pins that provide access to the eZ80F91 Mini  
Enet Module address bus and 8-pins that provide access to the module data bus. For more  
information on eZ80F91 address and data buses, refer to eZ80F91 Product Specification  
(PS0192).  
Ethernet PHY and RJ45 Connector  
The eZ80F92 Ethernet Module contains a Micrel KS8721BL 10/100 Ethernet PHY with  
Media Independent Interface (MII) and a HALO RJ45 with integrated magnetics and two  
LEDs (transformer and common-mode chokes).  
The eZ80F92 Ethernet Module defaults to 10 Mbps, which works in either a 100 Mbps or  
a 10 Mbps network. Software can also configure the PHY for 100 Mbps or autosense.  
Ethernet LEDs  
The Ethernet connection is provided by the HALO RJ45 connector. It contains two green  
LEDs that are located next to each other on the eZ80F91 Mini Enet Module. When PHY is  
receiving data, the left LED is on. When the PHY is transmitting data, the right LED is on.  
5 MHz Clock  
The eZ80F91 Mini Enet Module contains a 5 MHz crystal oscillator (Y2) which is  
multiplied by the phase-locked loop in the eZ80F91 MCU to create a 50 MHz system  
clock  
PS023603-0907  
P R E L I M I N A R Y  
Onboard Component Description  
eZ80F91 Mini Enet Module  
Product Specification  
11  
Memory  
The eZ80F91 MCU contains 256 KB of internal Flash memory. Additional memory can  
be accommodated via the system bus on connectors J1 and J2. To program the on-chip  
Flash memory, install jumper JP1 on the mini module. Table 3 lists the status of the  
jumper.  
Table 3. Shunt JP1, eZ80F91 Mini Enet Module  
Shunt  
Symbol Jumper Name Status  
Function  
Affected Device  
JP1  
F91_WE  
In (Default) On-chip Flash is enabled for  
writing to boot block.  
On-chip Flash  
Out  
On-chip Flash memory boot block On-chip Flash  
is write-protected.  
There is 128 KB of fast SRAM on the eZ80F91 Mini Enet Module. Access time is 12 ns,  
which requires one wait-state access. The eZ80F91 on-chip SRAM can be used with zero  
wait states.  
IrDA Transceiver  
The eZ80F91 Mini Enet Module is shipped without an IrDA transceiver installed.  
If you install an on-board transceiver, such as the Zilog ZHX1810, it is connected to PD0  
(TX), PD1 (RX), and PD2 (Shutdown, IR_SD). The IrDA transceiver is of the LED type  
870 nm Class 1.  
The IrDA transceiver is accessible via the IrDA controller attached to UART0 on the  
eZ80F91 device.  
To use the UART0 for console or to save power, the transceiver is disabled by the software  
or by an off-board signal when using the proper jumper selection. The transceiver is  
disabled by setting PD2 (IR_SD) High or by pulling the DIS_IRDA pin on the I/O  
connector Low. The shutdown is used for power savings. To enable the IrDA transceiver,  
DIS_IRDA is left floating and PD2 is set to Low.  
PS023603-0907  
P R E L I M I N A R Y  
Onboard Component Description  
eZ80F91 Mini Enet Module  
Product Specification  
12  
Serial Interface Ports  
The eZ80F91 MCU contains two UARTs with programmable baud rate generators.  
UART0 is connected to GPIO PD[0:7] on the I/O connector. UART1 is connected to  
GPIO PC[0:7] on the I/O connector.  
Do not connect an RS232 interface without level shifters. There are  
no RS232-level shifters on the eZ80F91 Mini Enet Module.  
Note:  
Physical Dimensions  
The footprint of the eZ80F91 Mini Enet Module PCB is 2.00 " x 1.90 ". See Figure 4 for  
dimensions and top-layer silkscreen.  
Figure 4. Physical Dimensions of the eZ80F91 Mini Enet Module  
PS023603-0907  
P R E L I M I N A R Y  
Onboard Component Description  
eZ80F91 Mini Enet Module  
Product Specification  
13  
Absolute Maximum Ratings  
The stress greater than those listed in Table 4 can cause permanent damage to the device.  
These ratings are stress ratings only. Operation of the device at any condition outside those  
indicated in the operational sections of these specifications is not implied. Exposure to  
absolute maximum rating conditions for extended periods may affect device reliability.  
For improved reliability, unused inputs should be tied to one of the supply voltages (VDD  
or VSS).  
Table 4. Absolute Maximum Ratings  
Parameter  
Minimum  
Maximum  
+70  
Units  
ºC  
Standard operating temperature  
Storage temperature  
0
–45  
25%  
—
+85  
ºC  
Operating Humidity (RH @ 50ºC)  
Operating Voltage  
90%  
3.6  
V
PS023603-0907  
P R E L I M I N A R Y  
Onboard Component Description  
eZ80F91 Mini Enet Module  
Product Specification  
14  
Module Bill of Materials  
Table 5 lists the installed components of the eZ80F91 Mini Enet Module.  
Table 5. Bill of Materials for the eZ80F91 Mini Enet Module,  
ITEM PART NUMBER  
DESCRIPTION  
QTY LOCATION  
1
1
98C0942-001 FAB,eZ80F91 ETHERNET MODULE, REV B  
Coastal Circuits  
2
35-0016-06 IC,74LVC3G04,3.3V,GATE,8-SSOP  
TEXAS INSTR SN74LVC3G04DCTR  
35-0179-12 IC,SRAM,128Kx8,12ns,3V,32-SOJ  
IDT IDT71V124SA12Y  
35-0062-03 IC,74AHC1G32,SNGL QUAD OR,SOR23-5  
TEXAS INSTR SN74AHC1G32DBVR  
35-0022-02 IC,KS8721BL,PHY XCVR,48-LQFP  
MICREL SEMI KS8721BL  
1
1
1
1
1
1
U1  
U3  
U4  
U5  
U6  
C1  
3
4
5
6
EZ80F91  
IC,eZ80F91,50MHZ,144BGA  
ZiLOG EZ80F91NA050SC  
17-2005-83 CAP,0.33UF,16V,CER CHIP,0603  
PANASONIC ECJ-1VF1C334Z  
7
8
17-2005-70 CAP,1,000PF,50V,CER CHIP,0603  
PANASONIC ECJ-1VC1H561J  
11 C2,C18,C25-33  
9
17-2005-66 CAP,0.1UF,16V,CER CHIP,0603  
KEMET C0603C104K5RAC  
14 C3,C7,C9,C13-17,  
C21,C24,C38-41  
10  
11  
12  
13  
14  
15  
16  
17-2001-05 CAP,22PF,50V,CER CHIP,0603  
PANASONIC ECJ-1VC1H220J  
17-0018-20 CAP,10UF,25V,TANT CHIP,SMT  
PANASONIC ECSH1ED106R  
17-2005-63 CAP,0.056UF,50V,CER CHIP,0603  
PANASONIC ECJ-1VB1C563K  
17-2001-20 CAP,270PF,50V,CER CHIP,0603  
PANASONIC ECJ-1VC1H271J  
17-0018-47 CAP,47UF,16,TANT CHIP,SMT  
PANASONIC ECS-T1CD476R  
17-2001-04 CAP,18PF,50V,CER CHIP,0603  
PANASONIC ECJ-1VC1H180J  
17-9009-10 FERRITE BEAD,3AMP,100 OHM,1206 SMT  
STEWARD HI1206N101R-00  
4
2
1
1
2
2
2
C5,C6,C51,C52  
C8,C10  
C11  
C12  
C19,C20  
C22,C23  
FB1,FB2  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
46-3001-03 RES,10K OHM,1%,1/16W,0603 SMT  
46-3000-79 RES,4.75K OHM,1%,1/16W,0603 SMT  
46-3000-35 RES,68 OHM,1%,1/16W,0603 SMT  
46-3000-02 RES,2.2 OHM,1%,1/16W,0603 SMT  
46-3000-71 RES,2.21K OHM,1%,1/16W,0603 SMT  
46-3000-83 RES,6.81K OHM,1%,1/16W,0603 SMT  
46-3000-63 RES,1K OHM,1%,1/16W,0603 SMT  
46-3000-56 RES,499 OHM,1%,1/16W,0603 SMT  
46-3000-27 RES,33.2 OHM,1%,1/16W,0603 SMT  
46-3000-32 RES,49.9 OHM,1%,1/16W,0603 SMT  
46-3000-47 RES,221 OHM,1%,1/16W,0603 SMT  
46-3001-27 RES,100K OHM,1%,1/16W,0603 SMT  
23-0006-25 XTAL,25.0000MHZ,18PF,CYL  
EPSON CA-301 25.0000M-C  
6
3
1
1
1
1
2
1
1
4
2
1
1
R1,R7-9,R11,R12  
R2,R3,R26  
R4  
R5  
R6  
R13  
R15,R16  
R18  
R19  
R20,R21,R22,R25  
R23,R24  
R27  
Y1  
PS023603-0907  
P R E L I M I N A R Y  
Onboard Component Description  
eZ80F91 Mini Enet Module  
Product Specification  
15  
Table 5. Bill of Materials for the eZ80F91 Mini Enet Module (Continued)  
ITEM PART NUMBER  
DESCRIPTION  
QTY LOCATION  
30  
31  
32  
33  
34  
35  
23-0000-05 XTAL,5.0000MHZ,SER/RESN,HC49US  
CITIZEN HC49US5.000MABJ  
23-0006-00 XTAL,32.768KHZ,SER/RESN,TF CASE  
FOX NC38-32.768KHZ OR ECS ECS-3X8  
21-8010-56 CONN,56-CKT,.8mm,HDR/PIN  
SAMTEC FTE-128-01-G-DV-A  
21-0055-01 CONN,HDR/PIN,.025SQ,SNGL ROW  
HARWIN M-20-977-3622  
21-0907-01 CONN,RJ45,FASTJACK,10/100BASE-T  
HALO ELECTRONICS HFJ11-2450E-L11  
21-0192-00 SHUNT,2-POS,.1 CNTR,LOW PRFL  
AMP 382811-5  
1
1
2
Y2  
Y3  
J1,J2  
0.1 JP1  
1
1
P1  
JP1  
PS023603-0907  
P R E L I M I N A R Y  
Onboard Component Description  
eZ80F91 Mini Enet Module  
Product Specification  
Schematics  
16  
Figures 5 and 6 describe the layout of the eZ80F91 Mini Enet Module. Ethernet circuiting devices are not loaded on the  
eZ80F91 Mini Enet Module. However, these devices appear in the following schematics for reference purposes.  
5
4
3
2
1
connector  
1
connector 2  
VCC_33V  
U1B  
GND  
-F91_WP  
-F91_WE  
3
5
J1  
J2  
-F91_WP  
A[0..23]  
D[0..7]  
A[0:23]  
D[0:7]  
VCC_33V  
A0  
VCC_33V  
PA4  
2
PA3  
R1  
10K  
SN74LVC2G04  
2
4
1
1
A6  
PA5  
4
PA7  
R2  
3
3
A2  
A7  
PA0  
6
PB5  
PB6  
R3  
4.7K  
6
5
5
A1  
A3  
A8  
PA1  
8
-CS[0..3]  
4.7K  
8
7
7
-CS[0:3]  
A10  
EZ80CLK  
VCC_33V  
PB1  
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
52  
54  
56  
9
10  
12  
14  
16  
18  
20  
22  
24  
26  
28  
30  
32  
34  
36  
38  
40  
42  
44  
46  
48  
50  
52  
54  
56  
9
D
C
B
A
D
C
B
A
GND  
D5  
PB7  
GND  
-RD  
D1  
D0  
A17  
HEADER  
2
VCC_33v  
R4  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
41  
43  
45  
47  
49  
51  
53  
55  
11  
13  
15  
17  
19  
21  
23  
25  
27  
29  
31  
33  
35  
37  
39  
41  
43  
45  
47  
49  
51  
53  
55  
PB3  
PC7  
PA2  
GND  
PB0  
PC5  
PC1  
PC0  
GND  
PC4  
PA6  
IICSDA  
IICSCL  
IICSDA  
IICSCL  
JP1  
IICSDA  
IICSCL  
D4  
-F91_WE  
C1  
D2  
PB4  
-HALT_SLP  
RTC_VDD  
eZ80CLK  
PA[0..7]  
D6  
GND  
PB2  
-HALT_SLP  
GND  
GND  
PC6  
PC3  
PC2  
A18  
A20  
A22  
A19  
R5  
68R  
330nF  
U2  
RTC_VDD  
eZ80CLK  
PA[0:7]  
PB[0:7]  
PC[0:7]  
PD[0:7]  
-RST  
A21  
A23  
2R7  
-CS3  
-CS0  
GND  
5
1
2
4
3
6
VCC  
LEDA  
TXD  
SD  
VCC_33V  
TMS  
VCC_33V  
PD7  
(MMA 0204)  
-F91_WE  
PD6  
-CS2  
PD5  
RTC_VDD  
PD3  
PB[0..7]  
D3  
PD4  
GND  
TRIGOUT  
GND  
-TRSTN  
GND  
GND  
PD0  
-HALT_SLP  
PC[0..7]  
D7  
A13  
PD1  
PD0  
TCK  
IRDA_SD  
PD1  
-WR  
A11  
TDI  
PD[0..7]  
A12  
PD2  
A9  
A14  
TDO  
RXD  
GND  
GND  
A5  
GND  
GND  
-RST  
GND  
-DIS_IRDA  
A16  
IICSCL  
IICSDA  
-NMI  
VCC_33V  
R6  
A4  
-RD  
-WR  
A15  
-WAIT  
-RD  
-WR  
GND  
GND  
-RST  
ZHX1810  
VCC_SRAM  
VCC_SRAM  
VCC_33V  
VCC_33V  
R7  
10K  
2.2K  
HEADER 28x2  
HEADER 28x2  
U3  
-WAIT  
-NMI  
-WAIT  
-NMI  
A0  
A2  
A1  
A3  
D5  
D4  
U1C  
1
6
I/O0  
7
A0  
2
A1  
3
I/O1  
10  
GND  
D2  
D6  
D7  
D3  
D0  
D1  
6
2
A2  
4
I/O2  
11  
A3  
13  
I/O3  
22  
A11  
A4  
14  
I/O4  
23  
R8  
A9  
A5  
A4  
A15  
A16  
A14  
A12  
SN74LVC2G04  
A5  
15  
I/O5  
26  
R9  
10K  
A6  
16  
I/O6  
27  
10K  
A7  
17  
I/O7  
A8  
18  
A9  
19  
TDI  
TCK  
TDI  
TCK  
A10  
20  
A11  
21  
A13  
A10  
A8  
A12  
29  
TRIGOUT  
TMS  
TRIGOUT  
TMS  
A13  
30  
A14  
31  
TDO  
A7  
TDO  
A15  
32  
-TRSTN  
A6  
VCC_SRAM  
24  
VCC  
-TRSTN  
A16  
8
VCC  
-WR  
-RD  
-CS1  
12  
W E  
28  
OE  
5
C2  
C3  
0.1uF  
CS  
0.001uF  
25  
GND  
9
GND  
VCC_33V  
VCC_33V  
VCC_33V  
IDT71V124S/SO  
R11  
10K  
VCC_33V  
VCC_33V  
GND  
U1A  
U4  
GND  
-DIS_IRDA  
1
7
1
2
IRDA_SD  
4
PD2  
SN74LVC2G04  
=
IR_SD  
GND  
SN74AHC1G32  
GND  
Date:  
Wednesday, April 07, 2004  
Sheet  
1
of  
2
5
4
3
2
1
Figure 5. eZ80F91 Mini Enet Module Schematic Diagram, #1 of 2—Connectors and Miscellaneous  
PS023603-0907  
PRELIMINARY  
Schematics  
eZ80F91 Mini Enet Module  
Product Specification  
17  
5
4
3
2
1
D[0:7]  
A[0:23]  
U6  
C5  
22pF  
R26  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
A0  
4.7K  
L2  
K3  
J4  
A1  
B1  
B2  
C3  
D4  
E5  
D2  
D1  
D3  
F6  
E1  
E4  
F1  
F2  
F3  
F4  
G1  
F5  
H1  
H2  
G4  
H3  
J1  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
A0  
A1  
A1  
VCC_33V  
U5  
A2  
A2  
A3  
MDI0  
-RST  
Y1  
M3  
L3  
1
2
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
A3  
MDIO  
M D C  
RXD3/PHYAD1  
RXD2/PHYAD2  
RXD1/PHYAD3  
RXD0/PHYAD4  
VCC  
GND  
RXDV/PCS_LPBK  
RXC  
RST  
A4  
M D C  
VDD_PLL  
A4  
VDDPLL  
25 MHz  
22pF  
A5  
RXD3  
RXD2  
RXD1  
RXD0  
VCC_33V  
H5  
L4  
M4  
3
A5  
XI  
A6  
GND  
4
A6  
XO  
A7  
GND  
GND  
C6  
5
A7  
GND  
A8  
6
A8  
GND  
-WAIT  
A9  
L6  
M7  
J6  
7
-WAIT  
-NMI  
WAIT  
A9  
VDDTX  
D
C
B
A
D
R12  
A10  
A11  
A12  
A13  
A14  
A15  
A16  
A17  
A18  
A19  
A20  
A21  
A22  
A23  
GND  
TX+  
TX-  
GND  
R13  
6.81K 1%  
8
A10  
A11  
A12  
A13  
A14  
A15  
A16  
A17  
A18  
A19  
A20  
A21  
A22  
A23  
TX+  
TX-  
VCC_33V  
-BUSREQ  
RXDV  
RXCLK  
RXER  
VDDC  
9
BUSREQ  
NMI  
FB1  
FB2  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
GND  
-NMI  
10K  
1
2
1
2
RXER/ISO  
GND  
VDDC  
TXER  
VDDRCV  
REXT  
GND  
TMS  
TCK  
TDI  
VDDC  
GND  
GND  
C7  
Ferrite Bead C9  
0.1uF  
Ferrite Bead  
H7  
L9  
TMS  
TCK  
TDI  
TMS  
TCK  
GND  
GND  
TXER  
TXCLK  
TXEN  
TXD0  
TXD1  
TXD2  
TXD3  
COL  
+
C8  
+
C10  
10uF  
0.1uF  
K9  
TDI  
TXC/REFCLK  
TXEN  
FXSD/FXEN  
RX+  
RX+  
RX-  
-TRSTN  
10uF  
L10  
-TRSTN  
TRSTN  
GND  
TXD0  
RX-  
-RST  
K6  
A2  
-RST  
RESET  
W P  
TXD1  
VDDRX  
TXD2  
PD  
R15  
-F91_WP  
1K  
-F91_WP  
TXD3  
LED3/NWAYEN  
LED2/DUPLEX  
LED1/SPD100/noFEF  
LED0/TEST  
INT/PHYADD0  
G5  
COL/RMII  
CRS/RMII_BTB  
GND  
CRS  
COL  
CRS  
-SPEED  
-LEDLNK  
D8  
A7  
D6  
A4  
C4  
D5  
B4  
E6  
C5  
C6  
MII_CRS  
MII_COL  
TXD3  
GND  
B7  
C7  
D7  
A6  
B6  
E7  
A3  
B3  
MII_TXD3  
MII_TXD2  
MII_TXD1  
MII_TXD0  
MII_TXEN  
MII_TXER  
MII_MDC  
MII_MDIO  
RXER  
RXDV  
RXD3  
RXD2  
RXD1  
RXD0  
RXCLK  
TXCLK  
TXD2  
TXD1  
TXD0  
TXEN  
TXER  
M D C  
MDI0  
VCC_33V  
MII_RXER  
MII_RXDV  
MII_RXD3  
MII_RXD2  
MII_RXD1  
MII_RXD0  
MII_RXCLK  
MII_TXCLK  
VCC  
C11  
R16  
1K  
GND  
KS8721BL  
Make sure that power connections  
and nets VDD_PLL and VDDC have  
the shortest route possible  
VDDC  
C14  
INT  
0.056uF  
R18  
499  
C12  
C13  
0.1uF  
C15  
C16  
+
C19  
47uF  
C
B
A
270pF  
0.1uF  
0.1uF  
0.1uF  
Header  
JP2  
1
M5  
L5  
K5  
J5  
L7  
J3  
K1  
K2  
L1  
IORQ  
M R Q  
RD  
FILT_IN  
VCC_33V  
J10  
FILT_IN  
-RD  
-WR  
GND  
-RD  
-WR  
W R  
Y2  
XIN  
C17  
C18  
0.001uF  
+
C20  
VCC_33V  
H11  
H12  
-CS[0:3]  
XIN  
BUSACK  
CS0  
0.1uF  
47uF  
-CS0  
-CS1  
-CS2  
-CS3  
XOUT_O  
5MHz  
XOUT  
CS1  
GND  
C21  
CS2  
0.1uF  
R19  
33  
CS3  
TX+  
TX-  
SCL  
SDA  
A11  
A12  
IICSCL  
IICSDA  
SCL  
SDA  
H10  
A5  
PLL_VDD  
VDD  
VDD  
VDD  
VDD  
VDD  
VDD  
VDD  
VDD  
VDD  
VDD  
VDD  
VDD  
VDD  
RX+  
RX-  
R27  
100K  
P1  
1
R20  
PA7  
49.9  
B8  
C1  
A8  
PA7_PWM3  
PA6_PWM2_EC1  
PA5_PWM1_TOUT1  
PA4_PWM0_TOUT0  
PA3_PWM3_OC3  
PA2_PWM2_OC2  
PA1_PWM1_OC1  
PA0_PWM0_OC0  
PA6  
PA5  
PA4  
PA3  
PA2  
PA1  
PA0  
VCC_33V  
F7  
TX+  
TXCT  
TX-  
C23  
18pF  
C10  
E2  
C9  
A9  
4
2
C22  
18pF  
R22  
R25  
49.9  
E11  
G2  
H9  
B9  
R21 49.9  
VCC_33V  
E8  
3
5
6
RX+  
RXCT  
RX-  
VCC_33V  
R23  
220  
R24  
220  
B10  
A10  
J2  
J11  
K4  
PA[0:7]  
PB[0:7]  
PC[0:7]  
PB7  
PB6  
PB5  
PB4  
PB3  
PB2  
PB1  
PB0  
49.9  
C24  
C11  
C12  
D10  
E9  
D11  
F8  
D12  
E10  
8
PB7_MOSI  
PB6_MISO  
PB5_ICB3  
PB4_ICA2  
PB3_SCK  
GND  
K7  
M1  
VCC_33V  
0.1uF  
9
10  
11  
12  
AN1  
CT1  
AN2  
CT2  
G7  
B5  
PLL_VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
VSS  
PB2_SS  
PB1_IC1  
B12  
C2  
PB0_IC0_EC0  
-LEDLNK  
-SPEED  
HFJ11-2450E  
PC7  
PC6  
PC5  
PC4  
PC3  
PC2  
PC1  
PC0  
C8  
E12  
G8  
PC7_RI1  
PC6_DCD1  
PC5_DSR1  
PC4_DTR1  
PC3_CTS1  
PC2_RTS1  
PC1_RXD1  
PC0_TXD1  
D9  
E3  
F10  
F11  
F12  
G9  
F9  
G3  
G6  
G12  
H4  
RTC_VDD  
G10  
G11  
RTC_VDD  
C25  
C26  
C27  
C28  
C29  
0.001uF  
C30  
C31  
C32  
0.001uF  
C33  
0.001uF  
0.001uF  
0.001uF  
0.001uF  
0.001uF  
0.001uF  
0.001uF  
H6  
J12  
K8  
M2  
M11  
PD7  
PD6  
PD5  
PD4  
PD3  
PD2  
PD1  
PD0  
GND  
H8  
PD7_RI0  
PD6_DCD0  
K11  
K12  
J9  
PD5_DSR0  
C38  
C39  
C40  
C41  
Y3  
PD4_DTR0  
0.1uF  
0.1uF  
0.1uF  
0.1uF  
K10  
L11  
L12  
M12  
PD3_CTS0  
PD2_RTS0  
VCC_33V  
32.768KHz  
J7  
L8  
M8  
RTC_VDD  
RTC_XOUT  
RTC_XIN  
PD1_RXD0_IRRXD  
PD0_TXD0_IRTXD  
PD[0:7]  
-HALT_SLP  
eZ80CLK  
VCC_33V  
M9  
HALT_SLP  
PHI  
VCC_33V  
B11  
M6  
VCC_33V  
CPU & PHY  
C51  
C52  
INSTRD  
TDO  
22pF  
GND  
22pF  
M10  
J8  
TDO  
TRIGOUT  
GND  
GND  
TRIGOUT  
eZ80F91_BGA  
GND  
Date:  
Wednesday, April 07, 2004  
Sheet  
2
of  
2
5
4
3
2
1
Figure 6.eZ80F91 Mini Enet Module Schematic Diagram, #2 of 2—CPU and PHY  
PS023603-0907  
PRELIMINARY  
Schematics  
eZ80F91 Mini Enet Module  
Product Specification  
18  
Customer Support  
For answers to technical questions about the product, documentation, or any other issues  
with Zilog’s offerings, please visit Zilog’s Knowledge Base at  
http://www.zilog.com/kb.  
For any comments, detail technical questions, or reporting problems, please visit Zilog’s  
Technical Support at http://support.zilog.com.  
PS023603-0907  
P R E L I M I N A R Y  
Customer Support  

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