NEC PD754144 User Manual
Page 23
CHAPTER 1 GENERAL
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User’s Manual U10676EJ3V0UM
Pin Name
P30 to P33:
Port 3
P60 to P63:
Port 6
P70 to P73:
Port 7
P80:
Port 8
KR4 to KR7:
Key return 4 to 7
INT0:
External vectored interrupt 0
PTH00, PTH01: Programmable threshold port analog input 0, 1
PTO0 to PTO2: Programmable timer output 0 to 2
KRREN:
Key return reset enable
CL1, CL2:
RC oscillator
X1, X2:
Crystal/ceramic oscillator
IC:
Internally connected
RESET:
Reset
AV
REF
:
Analog reference
V
SS
:
Ground
V
DD
:
Positive power supply
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