Распиновка, расположение выводов и внешний вид карт и микросхем памями:
CDTV Memory Card
1111111111222222222233333333334
1234567890123456789012345678901234567890
+—————————————-+
|OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO|
+—————————————-+
(at the computer)
40 PIN ??? CONNECTOR at the computer.
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)
Note: Address space=$E00000-$E7FFFF
Contributor:
Joakim Цgren
Source:
Darren Ewaniuk’s CDTV Technical Information
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10