Datasheet
78K0/Ix2 CHAPTER 2 PIN FUNCTIONS
R01UH0010EJ0500 Rev.5.00 21
Feb 28, 2012
(2) Non-port functions : 78K0/IA2 (2/2)
Function Name I/O Function After Reset Alternate Function
P00/INTP0/TOH1/
TI51
TI000 Input External count clock input to 16-bit timer/event counter
00
Capture trigger input to capture registers (CR000,
CR010) of 16-bit timer/event counter 00
Input port
P121/X1/TOOLC0/
INTP0
P00/TI000/INTP0/
TOH1
TI51 Input External count clock input to 8-bit timer/event counter 51 Input port
P34/TOX11/INTP4/
TOH1
P00/TI000/INTP0/
TI51
TOH1 Output 8-bit timer H1 output Input port
P34/TOX11/INTP4/
TI51
TOX00 P31/INTP2/TOOLC1
TOX01
16-bit timer X0 output
P32/INTP3/TOOLD1
TOX10 P33
TOX11
Output
16-bit timer X1 output
Input port
P34/INTP4/TOH1/
TI51
X1 P121/TOOLC0/
TI000/INTP0
X2
Connecting resonator for main system clock Input port
P122/EXCLK/TOOLD0
EXCLK Input External clock input for main system clock Input port P122/X2/TOOLD0
VDD Positive power supply for pins other than port 2
AVREF
A/D converter reference voltage input and positive power
supply for port 2 and A/D converter
VSS
Ground potential for pins other than port 2
TOOLC0 P121/X1/TI000/
INTP0
TOOLC1
Input Clock input for flash memory programmer/on-chip
debugger
P31/TOX00/INTP2
TOOLD0 P122/X2/EXCLK
TOOLD1
I/O Data I/O for flash memory programmer/on-chip debugger
Input port
P32/TOX01/INTP3
Remark Functions in angle brackets < > can be assigned by setting the input switch control register (MUXSEL).