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