NEC PD703114 User Manual page 42

(20) RV (Regulator power supply)
DD
This is the positive power supply pin for the regulator.
Supply 5 V system power to this pin.
(21) V (Ground)
SS3
This is the internal 3.3 V system ground pin.
(22) REGOUT (Regulator output) ... Output
This is the regulator output pin.
(23) REGIN (Regulator input) ... Input
This is the regulator input pin. Supply 3.3 V system power to this pin.
(24) AV , AV (Analog power supply)
DD0 DD1
These are the analog positive power supply pins for the A/D converter.
(25) AV , AV (Analog ground)
SS0 SS1
These are the ground pins for the A/D converter.
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CHAPTER 2 PIN FUNCTIONS
User's Manual U15195EJ5V0UD