CHAPTER 2 PIN FUNCTIONS
User’s Manual U15109EJ3V0UD
81
(25) PORTV
DD0
to PORTV
DD2
(power supply for port)
These are positive power supply pins for I/O ports and alternate-function pins.
(26) PORTGND0, PORTGND1 (ground for port)
These are ground pins for I/O ports and alternate-function pins (except for the alternate-function ports of the bus
interface).
(27) V
DD0
, V
DD1
(power supply)
These are positive power supply pins. V
DD0
and V
DD1
pins should be connected to a positive power source.
(28) GND0 to GND2 (ground)
These are ground pins. All the GND0 to GND2 pins should be grounded.
(29) V
PP
(programming power supply)
This is the positive power supply pin used for flash memory programming mode.
This pin is used in the
µ
PD70F3089Y. Connect to either GND0, GND1, or GND2 in normal operating mode.