CHAPTER 2 PIN FUNCTIONS
Preliminary User’s Manual U16898EJ1V0UD
20
(2) Non-port
pins
Pin Name
I/O
Function
After Reset
Alternate-
Function Pin
INTP0
P30/TI000
INTP1
P43/TxD6
INTP2
P31/TI010/TO00
INTP3
Input
External interrupt input for which the valid edge (rising edge,
falling edge, or both rising and falling edges) can be specified
Input
P41
RxD6
Input
Serial data input for asynchronous serial interface
Input
P44
TxD6
Output
Serial data output for asynchronous serial interface
Input
P43/INTP1
TI000
External count clock input to 16-bit timer/event counter 00.
Capture trigger input to capture registers (CR000 and CR010) of
16-bit timer/event counter 00
P30/INTP0
TI010
Input
Capture trigger input to capture register (CR000) of 16-bit
timer/event counter 00
Input
P31/TO00/INTP2
TO00
Output
16-bit timer/event counter 00 output
Input
P31/TI010/INTP2
TOH1
Output
8-bit timer H1 output
Input
P42
ANI0 to ANI3
Input
Analog input of A/D converter
Input
P20 to P23
AV
REF
−
Reference voltage of A/D converter
−
−
RESET
Input
System reset input
−
−
X1 Input
Connection of crystal/ceramic oscillator for system clock
oscillation.
External clock input
−
P121
X2
−
Connection of crystal/ceramic oscillator for system clock
oscillation.
−
P122
V
DD
−
Positive power supply
−
−
V
SS
−
Ground potential
−
−
www.DataSheet4U.com
www.DataSheet4U.com