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40 pins connector 
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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

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Эта распиновка
Нет DIY устройств
Источник(и) этой и дополнительной информации: Darren Ewaniuk"s CDTV Technical Information, from Hardware Book
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