33
Preliminary User’s Manual U16035EJ1V0UM
Pin Name
I/O
Function
After Reset
Alternate
Function
P00
I/O
Input
INTP0
P01
INTP1
P02
INTP2
P03
INTP3/ADTRG
P10 to P13
Input
Port 1
Input
ANI0 to ANI3
4-bit input-only port.
P20
I/O
Input
SI30
P21
SO30
P22
SCK30
P23
RxD0
P24
TxD0
P25
ASCK0
P34
I/O
Input
SI31
P35
SO31
P36
SCK31
P40 to P47
I/O
Port 4
Input
—
8-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by software settings.
Interrupt request flag (KRIF) is set to 1 by falling edge
detection.
P50 to P57
I/O
Port 5
Input
—
8-bit I/O port
LEDs can be driven directly.
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by software settings.
P70
I/O
Input
TI00/TO0
P71
TI01
P72
TI50/TO50
P73
TI51/TO51
P74
PCL
P75
BUZ
CHAPTER 2 PIN FUNCTION
2.1 Pin Function List
(1) Port pins
Port 0
4-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by software
settings.
Port 2
6-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by software
settings.
Port 3
3-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by software settings.
Port 7
6-bit I/O port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be used by software
settings.