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µPD750008 USER'S MANUAL
Pin name
P00-P03 : Port 0
P10-P13 : Port 1
P20-P23 : Port 2
P30-P33 : Port 3
P40-P43 : Port 4
P50-P53 : Port 5
P60-P63 : Port 6
P70-P73 : Port 7
P80-P81 : Port 8
KR0-KR7 : Key return
SCK
: Serial clock
SI
: Serial input
SO
: Serial output
SB0, 1
: Serial bus 0, 1
8
RESET
: Reset input
TI0
: Timer input 0
PTO0, 1
: Programmable timer output 0, 1
BUZ
: Buzzer clock
PCL
: Programmable clock
INT0, 1, 4 : External vectored interrupt 0, 1, 4
INT2
: External test input 2
X1, 2
: Main system clock oscillation 1, 2
XT1, 2
: Subsystem clock oscillation 1, 2
NC
: No connection
IC
: Internally connected
V
: Positive power supply
DD
V
: Ground
SS
V
: Programming power supply
PP
MD0-MD3 : Mode selection 0 - 3
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