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