Datasheet

78K0/Kx2-L CHAPTER 2 PIN FUNCTIONS
R01UH0028EJ0400 Rev.4.00 41
Sep 27, 2010
(2) Non-port functions: 78K0/KC2-L (4/4)
Function Name I/O Function After Reset Alternate Function
TI50 External count clock input to 8-bit timer/event counter 50 P17/TO50
TI51
Input
External count clock input to 8-bit timer/event counter 51
Input port
P33/TO51/INTP4
TO00 Output 16-bit timer/event counter 00 output Input port P01/TI010
TO50 8-bit timer/event counter 50 output P17/TI50
TO51
Output
8-bit timer/event counter 51 output
Input port
P33/TI51/INTP4
TOH0 8-bit timer H0 output P15
TOH1
Output
8-bit timer H1 output
Input port
P16/INTP5
X1 P121/TOOLC0
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
XT1 P123
XT2
−
Connecting resonator for subsystem clock Input port
P124/EXCLKS
EXCLKS Input External clock input for subsystem clock Input port P124/XT2
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
AVSS
−
Ground potential for port 2 and A/D converter
− −
TOOLC0 P121/X1
TOOLC1
Input Clock input for flash memory programmer/on-chip
debugger
P31/INTP2
TOOLD0 P122/X2/EXCLK
TOOLD1
I/O Data I/O for flash memory programmer/on-chip debugger
Input port
P32/INTP3
IC
−
Internally connected. Leave open.
− −