I/O Connector; Figure 2. Ez80; Figure 3. Ez80; Figure 4. Ez80 - ZiLOG eZ80 User Manual

I/O Connector

Figure 6 illustrates the 60-pin I/O Connector, JP2. Table 3 describes the pins and
their functions. (Pin 50 on the eZ80L92 and eZ80F92 module connectors line up
with pin 60 on the eZ80
Figure 6. eZ80
Pull
Function Up/Down
PA0 - PA7
PB0 - PB7
User Manual
®
Sales Demonstration Platform board connectors.)
PA7
1
PA5
3
PA3
5
PA1
7
VCC_33V
9
PB7
11
PB5
13
PB3
15
PB1
17
GND
19
PC6
21
PC4
23
PC2
25
PC0
27
PD6
29
PD5
31
PD3
33
PD1
35
TDO
37
GND
39
TCK
41
RTC_VDD
43
IICSCL
45
IICSDA
47
-FLASHWE
49
-CS3
51
-RESET
53
VCC_33V
55
-HALT_SLP
57
VCC_33V
59
®
Sales Demonstration Platform I/O Connector Pin Configuration
Table 3. I/O Connector Pin Identification
Signal
Direction Description
Bidirectional Not used for eZ80L92 and eZ80F92 modules.
Bidirectional These pins can be used for general-purpose I/O.
They can be individually programmed as input or out-
put and can also be used individually as interrupt
inputs. Each Port B pin, when programmed as output,
can be selected to be an open-drain or open-source
output.
UM015201-0603
ZiLOG Development Platforms
®
eZ80 Sales Demonstration Platform
PA6
2
PA4
4
PA2
6
PA0
8
GND
10
12
PB4
14
PB2
16
PB0
18
PC7
20
PC5
22
PC3
24
PC1
26
PD7
JP2 28
GND
30
PD4
32
PD2
34
PD0
36
TDI
38
TRIGOUT
40
TMS
42
EZ80CLK
44
46
GND
48
50
-DIS_IRDA
52
-WAIT
54
GND
56
-NMI
58
60
11
I/O Connector