
8
μ
PD75237
Pin Name
I/O
Function
Dual-
Function Pin
After Reset
Input/
output
Input/
output
Input/
output
4-bit input port (PORT9).
P-ch open-drain 4-bit high-voltage output port.
Pull-down resistor can be incorporated (mask op-
tion).
P-ch open-drain 4-bit high-voltage output port.
Pull-down resistor can be incorporated (mask op-
tion).
A
F
E
B
×
Input
Y – A
G
G
I – F
P-ch open-drain 4-bit high-voltage output port.
Pull-down resistor can be incorporated (mask op-
tion).
P-ch open-drain 4-bit high-voltage output port.
Pull-down resistor can be incorporated (mask op-
tion).
G
G
P80
P81
P82
P83
P90
P91
P92
P93
P100
P101
P102
P103
P110
P111
P112
P113
P120
P121
P122
P123
P130
P131
P132
P133
P140
P141
P142
P143
P150
P151
P152
P153
PH0
PH1
PH2
PH3
P-ch open-drain 4-bit high-voltage output port.
Pull-down resistor can be incorporated (mask op-
tion).
P142 and P143 can drive LED directly.
Input
PPO
SCK1
SO1
SI1
AN4
AN5
AN6
AN7
S16
S17
S18
S19
S20
S21
S22
S23
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10/T15
S11/T14
S12/T13/PH0
S13/T12/PH1
S14/T11/PH2
S15/T10/PH3
S12/T13/P150
S13/T12/P151
S14/T11/P152
S15/T10/P153
Input
Output
Output
Output
Output
Output
Output
Output
P-ch open-drain 4-bit high-voltage output port.
Pull-down resistor can be incorporated (mask op-
tion).
G
G
×
1.1
PORT PINS (2/2)
*
Schmitt trigger inputs are circled.
V
level
(when a pull-
down resistor
to V
is in-
corporated) or
high imped-
ance
I – C
P-ch open-drain 4-bit high-voltage output port.
Pull-down resistor can be incorporated (mask op-
tion).
These ports can drive LED directly.
Input / Output
Circuit Type
*
×
4-bit input port (PORT8).
Input
V
level
(when a pull-
down resistor
to V
is in-
corporated),
V
(when alevel
down resistor
to V
SS
is incor-
porated) or
high imped-
ance
8-Bit
I/O