Casio I/O-PB-11 Service Manual

— 12 —
3-4. C-In line circuit
A0/MUX
A1
A2/ALE
AD0
AD1
AD2
D3
D4
D5
D6
D7
GND
VCC
RD/DS
WR/DIR
CS
INTR
RESET IN
TXEN
RXIN
PULSE2
PULSE1
XTAL2
XTAL1
24
23
22
21
20
19
18
17
16
15
14
13
IC10
1
2
3
4
5
6
7
8
9
10
11
12
A0/MUX
A1
A2/BALE
ADDRESS
DECODING
CIRCUITRY
2K X 8
RAM
ADDITIONAL
REGISTERS
STATUS/
COMMAND
MICRO-
SEQUENCER
AND
WORKING
REGISTERS
TX/RX
LOGIC
RESET
LOGIC
OSCILLATOR
BUS
ARBITRATION
CIRCUITRY
RECONFIGURATION
TIMER
NODE ID
LOGIC
INTR
RESET IN
AD0~AD2,
D3~D7
RD/DS
WR/DIR
CS
PULSE1
PULSE2
TXEN
RXIN
1. C-In line controller (COM20020B)
GND
C35
C27
C26
2
1
To IN-LINE
RD
SD
R34
R23
D4
D3
D5
D2 D1
F1
F2
R33
R22
R32
R35
Vcc
R30
C28
R20
IC11 16
4
15
12
9
5
8
13
14
11
10
7
6
R31
R21
GNDGND
Vcc
Vcc
Vcc
A0
A1
A2
D0
D1
D2
D3
D4
D5
D6
D7
GND
VCC
RD
WR
CS
INTR
RST
TXEN
RXIN
TXOUT
X2
X1
GND
C3
C39
X2
R28
R29
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
C25
C24
+
TXOUT
RXIN
TXEN
IC10
D0
D1
D2
D3
D4
D5
D6
D7
Vcc
GND

Casio I/O-PB-11 Specifications

General

Brand	Casio
Model	I/O-PB-11
Category	Cash Register
Language	English