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CHAPTER 2 PIN FUNCTIONS
User’s Manual U19780EJ2V0UD
33
(2) Non-port functions (3/3): 78K0/KC2-A
Function Name
I/O
Function
After Reset
Alternate Function
V
DD
−
Positive power supply for pins other than P20 to P27, P80 to
P83, A/D converter, and operational amplifier.
−
−
AV
DD
−
Positive power supply for pins P20 to P27, P80 to P83, A/D
converter, and operational amplifier.
−
−
V
SS
−
Ground potential for pins other than P20 to P27, P80 to P83,
A/D converter, and operational amplifier.
−
−
AV
SS
−
Ground potential for pins P20 to P27, P80 to P83, A/D
converter, and operational amplifier. Make the same potential
as V
SS
.
−
−
OCD0A
P121/X1
OCD1A
Input
P31/INTP5 (/SCK10)
OCD0B
P122/X2/EXCLK
OCD1B
I/O
Connection for on-chip debug mode setting pins
Input port
P32/INTP4 (/SI10)
Remark
The functions of pins whose names are in parentheses can be used by setting bit 2 (ISC2) of the input
switch control register (ISC) to 1.