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
ZILOG [ ZILOG, INC. ]
