
9
μ
PD75237
1.2
NON-PORT PINS (1/2)
Pin Name
I/O
Dual-
Function Pin
Input / Output
Circuit Type
*
T0 to T9
T10/S15 to
T13/S12
T14/S11
T15/S10
S0 to S3
S4 to S7
S8
S9
S16 to S19
S20 to S23
TI0
PTO0
PCL
BUZ
SCK0
SO0/SB0
SI0/SB1
After Reset
Output
I – C
I – F
V
LOAD
level
(when
pull-down
resistor to
V
LOAD
is in-
c o r p o -
rated), V
SS
level (when
a pull-down
resistor to
V
SS
is incor-
porated) or
high
pedance
a
im-
Segment high-voltage output
pins.
These pins can be used as
PORT10 and PORT11 in the static
mode.
—
PH3/P153 to
PH0/P150
P143
P142
P120 to
P123
P130 to
P133
P140
P141
P100 to
P103
P110 to
P113
P13
P20
P22
P23
P01
P02
P03
FIP controller/driver out-
put pins.
Pull-down resistor can
be incorporated in bit
units (mask option).
Digit/segment output dual-func-
tion high-voltage high-current
output pins. Extra pins can be
used as PORTH. These pins can
be used as PORT15 in the static
mode.
Digit output high-voltage high-
current output pins.
Digit/segment output dual-func-
tion high-voltage high-current
output pins. These pins can be
used as POTR14 in the static
mode.
Clock output.
Fixed frequency output (for buzzer or system clock trim-
ming).
Input/
output
Input/
output
Serial clock input/output.
Serial data output.
Serial bus input/output.
Input/
output
Serial data input.
Serial bus input/output.
Timer/event counter output.
Output
Output
External event pulse input to timer/event counter #0 and
event counter #1.
—
Input
Input
Input
Input
Input
Input
Input
B – C
E – B
E – B
E – B
F – A
F – B
M – C
*
Schmitt trigger inputs are circled.
Output
Segment high-voltage output
pins.
These pins can be used as
PORT12 to PORT14 in the static
mode.
V
LOAD
level
(when
pull-down
resistor to
V
LOAD
is in-
c o r p o -
rated) or
high im-
pedance.
a
Function