Lsi/Ic Data; Sh-7093 (Cpu / Ic1) - Casio CASSIOPEIA A-20 Service Manual & Parts List
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LSI/IC DATA
SH-7093 (CPU / IC1)
N o .
Pin Name
1
D27
2
D26
3
D25
4
D24
5
D23/Port 7
6
Vss
7
Vcc
8
D22/Port 6
9
D21/Port 5
10
D20/Port 4
11
D19/Port 3
12
D18/Port 2
13
D17/Port 1
14
D16/Port 0
15
D15
16
D14
17
Vss
18
Vcc
19
Vss
20
Vcc
21
D13
22
D12
23
D11
24
D10
25
D9
26
D8
27
D7
28
D6
29
D5
30
Vss
31
Vcc
32
D4
33
D3
34
D2
35
D1
36
D0
37
A0
38
A1
39
A2
40
A3
41
Vss
42
Vcc
43
A4
44
A5
45
A6
46
A7
47
A8
48
A9
49
Vss
50
Vcc
51
A10
52
A11
53
A12
54
Vss
55
Vcc
56
A13
57
A14
I o / O u t
Function
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
GND
+3.3V source
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
GND
+3.3V source
GND
+3.3V source
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
GND
+3.3V source
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
I/O
Data bus
O
Address bus
O
Address bus
O
Address bus
O
Address bus
GND
+3.3V source
O
Address bus
O
Address bus
O
Address bus
O
Address bus
O
Address bus
O
Address bus
GND
+3.3V source
O
Address bus
O
Address bus
O
Address bus
GND
+3.3V source
O
Address bus
O
Address bus
— 24 —
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