CHAPTER 2 PIN FUNCTIONS
32
User’s Manual U15195EJ5V0UD
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Pin Name
I/O
Function
Alternate Function
CLKOUT
Output
System clock output
PCM1
CKSEL
Input
Input specifying clock generator operation mode
−
AV
DD0
, AV
DD1
−
Positive power supply for A/D converter
−
AV
SS0
, AV
SS1
−
Ground potential for A/D converter
−
CV
SS
−
Ground potential for oscillator, PLL and regulator
−
V
DD
−
5 V system positive power supply for peripheral interface
−
V
SS
−
5 V system ground potential for peripheral interface
−
RV
DD
−
Positive power supply pin for regulator (5 V system power supply pin)
−
V
SS3
−
Internal 3.3 V system ground pin
−
REGOUT Output
Regulator
output
pin
−
REGIN
Input
Regulator input pin (3.3 V system power supply pin)
−