Casio PCR-262 Service Manual

— 10 —
TO0/P30
P00
P01 to P05
P07
P10 to P17
P20 to P27
P30 to P37
P40 to P47
P50 to P57
P60 to P67
P70 to P72
P120 to P127
P130, P131
RTP0/P120 to
RTP7/P127
AD0/P40 to
AD7/P47
A8/P50 to
A15/P57
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 12
Port 13
Real-time output port
RD/P64
External access
WR/P65
WAIT/P66
ASTB/P67
RESET
X1
X2System control
XT1/P07
XT2
TI00/P00
16-bit timer/
event counter
8-bit timer/
event counter 1
8-bit timer/
event counter 2
Watchdog timer
Watch timer
Serial interface 0
Serial interface 1
RAM
V
DD0,
V
DD1
IC
(V
PP)
V
SS0,
V
SS1
ROM
(flash
memory)
78K/0
CPU core
Serial interface 2
A/D converter
D/A converter
Interrupt control
Buzzer output
Clock output control
TO1/P31
TI1/P33
TO2/P32
TI2/P34
SI0/SB0/P25
SO0/SB1/P26
SCK0/P27
SI1/P20
SO1/P21
SCK1/P22
STB/TxD1/P23
BUSY/RxD1/P24
BUSY/RxD1/P24
STB/TxD1/P23
SI2/RxD0/P70
SO2/TxD0/P71
SCK2/ASCK/P72
ANI0/P10 to
ANI7/P17
AV
SS
AVREF0
ANO0/P130,
ANO1/P131
INTP0/P00 to
INTP5/P05
AV
SS
AVREF1
BUZ/P36
PCL/P35
TI01/P01
5-1-2. Block Diagram

Casio PCR-262 Specifications

General

Brand	Casio
Model	PCR-262
Category	Cash Register
Language	English