Lsi/Ic Data; Sh-7093 (Cpu / Ic1) - Casio CASSIOPEIA A-20 Service Manual & Parts List

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 —
To/From