CHAPTER 2 PIN FUNCTIONS
User’s Manual U16899EJ2V0UD
35
(2) Non-port
pins
(2/2)
Pin Name
I/O
Function
After Reset
Alternate Function
AV
REF
Input
A/D converter reference voltage input and positive power
supply for port 2
−
−
AV
SS
−
A/D converter ground potential. Make the same potential as
EV
SS
or V
SS
.
−
−
KR0 to KR7
Input
Key interrupt input
Input
P70 to P77
RESET
Input
System reset input
−
−
X1 Input
−
−
X2
−
Connecting resonator for high-speed system clock
−
−
XT1 Input
−
−
XT2
−
Connecting resonator for subsystem clock
−
−
V
DD
−
Positive power supply (except for ports)
−
−
EV
DD
−
Positive power supply for ports
−
−
V
SS
−
Ground potential (except for ports)
−
−
EV
SS
−
Ground potential for ports
−
−
FLMD0
−
−
FLMD1
−
Flash memory programming mode setting.
Input P17/TI50/TO50
NC
−
Not internally connected. Leave open.
−
−
Содержание MuPD78F0132H
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