Mbcg25942-5110 (Gate Array / U4) - Casio A-10 Operation, Service Manual & Parts List

MBCG25942-5110 (GATE ARRAY / U4)

N o . Pin Name
1 VDD1
2 V5WEB
3 V5A20
4 BSYB
5 V5A21
6 V5A16
7 V5A22
8 V5A15
10 V5A23
11 V5A12
12 V5A24
13 V5A7
14 V5A25
15 V5A6
16 V5A5
17 ICIORDB
20 RESET
21 V5A4
22 V5A3
23 INPACKB
24 V5A2
25 REGB
26 V5A1
27 BVD2
28 V5A0
29 BVD1
31 CD2B
32 V5D8
33 V5D1
34 V5D9
35 V5D2
36 V5D10
38 MDCD
39 D15
40 D14
41 D13
42 D12
43 D11
44 D10
46 V5WAITB
47 D9
48 D8
49 D7
50 D6
51 D5
52 D4
53 D3
56 D2
57 D1
58 D0
59 CS6B
60 CE2B
61 RDB
62 WAITB
63 WRHB
64 V5D0
67 MODE
68 RDWRB
69 IOIS16B
70 TXDSH
I n / O u t Pull-Up/Down
I
O
O
I
O
O
O
O
O
O
O
O
O
O
O
I Up
O
O
O
I
O
O
O
I
O
I
I
I/O
I/O
I/O
I/O
I/O
O
I/O
I/O
I/O
I/O
I/O
I/O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I Up
I Up
I
O
I
I/O
I
I
O
I
— 25 —
3 V / 5 V Function
5 V +5 V source
5 V Write signal
5 V Address
5 V Busy ready
5 V Address
5 V Address
5 V Address
5 V Address
5 V Address
5 V Address
5 V Address
5 V Address
5 V Address
5 V Address
5 V Address
3 V I/O read signal
5 V Reset signal
5 V Address
5 V Address
5 V Input response
5 V Address
5 V Attribute memory select
5 V Address
5 V Battery detect
5 V Address
5 V Battery Detector
5 V Card detect
5 V Data
5 V Data
5 V Data
5 V Data
5 V Data
3 V Port
3 V Data
3 V Data
3 V Data
3 V Data
3 V Data
3 V Data
5 V Wait signal
3 V Data
3 V Data
3 V Data
3 V Data
3 V Data
3 V Data
3 V Data
3 V Data
3 V Data
3 V Data
3 V Chip select
3 V Chip enable
3 V Output enable
3 V Wait signal
3 V Write signal
5 V Data
3 V Port
3 V Read/Write signal
3 V Write protect
3 V TXD1 signal for CPU
To/From
Power
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
CPU
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
Card
CPU
CPU
CPU
CPU
CPU
CPU
Card
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
Card
CPU
CPU
CPU