接口定义
Pin |
Name |
Description |
Pin |
Name |
Description |
1 |
GND |
Ground |
35 |
GND |
Ground |
2 |
D3 |
Data 3 |
36 |
/CD1 |
Card Detect 1 |
3 |
D4 |
Data 4 |
37 |
D11 |
Data 11 |
4 |
D5 |
Data 5 |
38 |
D12 |
Data 12 |
5 |
D6 |
Data 6 |
39 |
D13 |
Data 13 |
6 |
D7 |
Data 7 |
40 |
D14 |
Data 14 |
7 |
/CE1 |
Card Enable 1 |
41 |
D15 |
Data 15 |
8 |
A10 |
Address 10 |
42 |
/CE2 |
Card Enable 2 |
9 |
/OE |
Output Enable |
43 |
/VS1 |
Refresh |
10 |
A11 |
Address 11 |
44 |
/IORD |
I/O Read |
11 |
A9 |
Address 9 |
45 |
/IOWR |
I/O Write |
12 |
A8 |
Address 8 |
46 |
A17 |
Address 17 |
13 |
A13 |
Address 13 |
47 |
A18 |
Address 18 |
14 |
A14 |
Address 14 |
48 |
A19 |
Address 19 |
15 |
/WE:/P |
Write Enable : Program |
49 |
A20 |
Address 20 |
16 |
/READY:/IREQ |
Ready : Busy (IREQ) |
50 |
A21 |
Address 21 |
17 |
VCC |
+5V |
51 |
VCC |
+5V |
18 |
VPP1 |
Programming Voltage (EPROM) |
52 |
VPP2 |
Programming Voltage 2 (EPROM) |
19 |
A16 |
Address 16 |
53 |
A22 |
Address 22 |
20 |
A15 |
Address 15 |
54 |
A23 |
Address 23 |
21 |
A12 |
Address 12 |
55 |
A24 |
Address 24 |
22 |
A7 |
Address 7 |
56 |
A25 |
Address 25 |
23 |
A6 |
Address 6 |
57 |
/VS2 |
RFU |
24 |
A5 |
Address 5 |
58 |
RESET |
RESET |
25 |
A4 |
Address 4 |
59 |
/WAIT |
WAIT |
26 |
A3 |
Address 3 |
60 |
/INPACK |
|
27 |
A2 |
Address 2 |
61 |
/REG |
Register Select |
28 |
A1 |
Address 1 |
62 |
/BVD2:SPKR |
|
29 |
A0 |
Address 0 |
63 |
/BVD1:STSCHG |
|
30 |
D0 |
Data 0 |
64 |
D8 |
Data 8 |
31 |
D1 |
Data 1 |
65 |
D9 |
Data 9 |
32 |
D2 |
Data 2 |
66 |
D10 |
Data 10 |
33 |
/WP:/IOIS16 |
Write Protect : IOIS16 |
67 |
/CD2 |
Card Detect 2 |
34 |
GND |
Ground |
68 |
GND |
Ground |
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