Casio EX-I/O-PB-12, Service Manual

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2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
B C D E F G H I J K A
B C D E F G H I J K A
— 26 —
9
8
7
6
5
4
3
2
9
8
7
6
5
4
3
2
1
CA3
RA4
VCC
1
GND
GND
C25
IOCS ( 2/6 )
A8
A9
A10
A11
A12
A13
A14
A15
9
8
7
6
5
4
3
2 9
8
7
6
5
4
3
2
1
CA4
RA6
VCC
1
GND
A0
A1
A2
A3
A4
A5
A6
A7
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
RXD RXK RXOUT D0 D1 VSS D2 D3 D4 D5 D6 D7 VSS A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10
MODCOM
VSS
CLKCOM
SWCOM
IOCS
OPTCN
CS2E
VLDSTS
PNESTS
PCSFM PCSCK PCSTM
VSS
SWI7 SWI6 SWI5 SWI4 SWI3 SWI2 SWI1 SWI0
ICSEL
ICCS
ROMCE
SLIPSFM
SLIPSCK
KDCSTM
KDCSCK
KDCSFM
DOTSCK
VSS
DOTSFM
VDD
CLKOUT
WRITE
READ
E
RESET
BTSTS
CISTS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
RAMCE2
RAMCE1
RAMCE0
RA18
VSS
RA17
RA16
RA15
RA14
VDD
RA13
A15
A14
A13
A12
A11
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
IC7
A15
A14
A13
A12
A11
RA16
RA15
RA14
RA13
D0 D1 D2 D3 D4 D5 D6 D7
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10
GND
GND
C26
C27
R69
Vcc
( 3/6 ) SCICLK
( 2/6 ) ( 3/6 ) ( 5/6 ) WR
( 2/6 ) ( 3/6 ) ( 5/6 ) RD
( 3/6 ) E
( 2/6 ) ( 3/6 ) CPURST
RA13–RA16 ( 5/6 )
A0–A15
D0–D7
( 2/6 )
( 3/6 )
( 5/6 )
ROMCE ( 5/6 )
RAMCE1 ( 2/6 )
RAMCE0 ( 2/6 )
Board No.
E-I/O-PB-12 (4/6)
E211763