PS023603-0907

P R E L I M I N A R Y

Pin Description

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.

Figure 2. eZ80F91 Mini Enet Module Peripheral Bus Mini Connector Pin Configuration—J1

D4

A21

-HALT_SL P

-CS0

A20

VCC_33V

A14

A2

VCC_33V

GND

A6

GND

A5

A8

A17

D7

GND

GND

A13

A3

D5

-CS2

A4

D1

GND

D0

-WR

D3

VCC_33V

-F91_WE

VCC_33V

A19

VCC_SRAM

VCC_SRAM

RTC_VDD

A22

A0

GND

A10

-CS3

D2

A11

GND

A18

A7

GND

A9

GND

A1

A15

A16

A23

A12

-RD

D6

GND

J1

1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

35

37

39

41

43

45

47

49

51

53

55

2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

50

52

54

56