CHAPTER 2 PIN FUNCTIONS
(16) AVSS (ground for analog)
This is the ground pin for the A/D converter.
(17) AVREF0 (analog reference voltage) ... Input
This is the pin for supplying the reference voltage for the A/D converter.
(18) EVDD (power supply for ports)
These are the positive power supply pins for the peripheral interface.
(19) EVSS (ground for ports)
This is the ground pin for the peripheral interface.
(20) VDD (power supply)
These are the positive power supply pins. Connect all VDD pins to a positive power supply.
(21) VPP (programming power supply)
This is a positive power supply pin for the flash memory programming mode.
It is provided for products with flash memory. During normal mode operation, connect this pin to VSS.
(22) VSS (ground)
These are the ground pins. Connect all VSS pins to a positive power supply.
(23) IC (internally connected)
This is an internally connected pin. Connect this pin directly to VSS in the normal operation mode.
User’s Manual U15862EJ3V0UD
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NEC [ NEC ]
