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3.3.2 I/O Card Interface
Pin No. Signal Name I / O
1 GND
2 D3
I/O Data3
3 D4
I/O Data4
4 D5
I/O Data5
5 D6
I/O Data6
6 D7
I/O Data7
7 CE1#
8 A10
9 OE#
10 A11
11 A9
12 A8
13 A13
14 A14
15 WE#/PGM
16 IRE0#
17 Vcc
18 Vpp1
19 A16
20 A15
21 A12
22 A7
23 A6
24 A5
25 A4
26 A3
27 A2
28 A1
29 A0
30 D0
I/O Data0
31 D1
I/O Data1
32 D2
I/O Data2
33 IOIS16#
34 GND
I/O Card Interface signals
Description
Ground
I
Card enable 1
I
Address10
I
Output enable
I
Address11
I
Address9
I
Address8
I
Address13
I
Address14
I
Write enable
O Interrupt request
Power
Programming and
periferal power1
I
Address16
I
Address15
I
Address12
I
Address7
I
Address6
I
Address5
I
Address4
I
Address3
I
Address2
I
Address1
I
Address0
O 16bit I/O port
Ground
— 7 —
Pin No. Signal Name I / O
35 GND
36 CD1#
37 D11
I/O Data11
38 D12
I/O Data12
39 D13
I/O Data13
40 D14
I/O Data14
41 D15
I/O Data15
42 CE2#
43 VS1#
44 IORD#
45 IOWR#
46 A17
47 A18
48 A19
49 A20
50 A21
51 Vcc
52 Vpp2
53 A22
54 A23
55 A24
56 A25
57 RFU
58 RESET
59 WAIT#
60 INPACK#
61 REG#
62 SPKR#
63 STSCHG#
64 D8
I/O Data8
65 D9
I/O Data9
66 D10
I/O Data10
67 CD2#
68 GND
Description
Ground
Card detect1
I
Card enable2
O 5 V Detect
I
I/O Read
I
I/O Write
I
Address17
I
Address18
I
Address19
I Address20
I
Address21
Power
Programming and
pelipheral power2
I
Address22
I
Address23
I
Address24
I
Address25
Reserve
I
Reset
O Wait
O Inputaknolage
I
Atribute memory select
O Degital Sound signal
O Card status change
O Card detect2
Ground
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