Specifications

Interface Connectors
Table 3-2. Parallel 1/0 Port Pin Assignments
Pin Number
PIO Signal Name
Signal Function
1
ASTRB/BSTRB
Strobe
2
PA2/PB2
Data Line
2
3
PAO/PBO
Data
Line
(3
4
Not Used
5 PAI/PBI
Data
Line
1
6-8
Not Used
9
PA3/PB3
Data
Line
3
10
Not Used
11
PA4/PB4
Data
Line
4
12
Not Used
13 PA5/PB5
Data Line
5
14
Not Used
15
PA6/PS6
Data
Line 6
16
Not Used
17
PA7/PB7
Data Line
7
18
Not Used
19
ACKNLG
20
Not Used
21
BUSY
22-24
Not Used
25
Select
3-3