CHAPTER 2 PIN FUNCTIONS
Preliminary User’s Manual U17260EJ3V1UD
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2.2.16 V
DD
and EV
DD
V
DD
is the positive power supply pin for other than P121 to P124 and ports.
EV
DD
is the positive power supply pin for ports other than P20 to P27 and P121 to P124.
2.2.17 V
SS
and EV
SS
V
SS
is the ground potential pin for other than P121 to P124 and ports.
EV
SS
is the ground potential pin for ports other than P20 to P27 and P121 to P124.
2.2.18 FLMD0
This is a pin for setting flash memory programming mode.
Connect FLMD0 to EV
SS
or V
SS
in the normal operation mode.
In flash memory programming mode, connect this pin to the flash programmer.