1111111111222222222233333333334
1234567890123456789012345678901234567890
+----------------------------------------+
|OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO|
+----------------------------------------+
|
Pin
|
Name
|
Description |
|
1 |
D0
|
Data Bus 0 |
|
2 |
D1
|
Data Bus 1 |
|
3 |
D2
|
Data Bus 2 |
|
4 |
D3
|
Data Bus 3 |
|
5 |
D4
|
Data Bus 4 |
|
6 |
D5
|
Data Bus 5 |
|
7 |
D6
|
Data Bus 6 |
|
8 |
D7
|
Data Bus 7 |
|
9 |
D8
|
Data Bus 8 |
|
10
|
D9
|
Data Bus 9 |
|
11
|
D10
|
Data Bus 10
|
|
12
|
D11
|
Data Bus 11
|
|
13
|
D12
|
Data Bus 12
|
|
14
|
D13
|
Data Bus 13
|
|
15
|
D14
|
Data Bus 14
|
|
16
|
D15
|
Data Bus 15
|
|
17
|
A1
|
Address Bus 1 |
|
18
|
A2
|
Address Bus 2 |
|
19
|
A3
|
Address Bus 3 |
|
20
|
A4
|
Address Bus 4 |
|
21
|
A5
|
Address Bus 5 |
|
22
|
A6
|
Address Bus 6 |
|
23
|
A7
|
Address Bus 7 |
|
24
|
A8
|
Address Bus 8 |
|
25
|
A9
|
Address Bus 9 |
|
26
|
A10
|
Address Bus 10
|
|
27
|
A11
|
Address Bus 11
|
|
28
|
A12
|
Address Bus 12
|
|
29
|
A13
|
Address Bus 13
|
|
30
|
A14
|
Address Bus 14
|
|
31
|
A15
|
Address Bus 15
|
|
32
|
A16
|
Address Bus 16
|
|
33
|
A17
|
Address Bus 17
|
|
34
|
R/W
|
Read/Write (High=Read)
|
|
35
|
/CSMCOD
|
Chip Select Odd Bytes
|
|
36
|
/CSMCEN
|
Chip Select Even Bytes
|
|
37
|
VCC
|
+5 Volts DC
|
|
38
|
GND
|
Ground
|
|
39
|
A18
|
Address Bus 18 (Short J16 to connect A18 to processor
bus)
|
|
40
|
A19
|
Address Bus 19 (Short J17 to connect A19 to processor
bus)
|
| 
