HT46R0664
Enhanced A/D+LCD 8-Bit OTP MCU
Pin Description
Pin Name
P�½0/INT1/PWM0
Function
P�½0
INT1
PWM0
P�½1
P�½1/INT�½/TC1/
[TC0]
INT�½
TC1
TC0
P�½�½
P�½�½/INT3/TC0/
[TC1]
INT3
TC0
TC1
P�½3/XT�½
P�½3
XT�½
P�½4/XT1
P�½4
XT1
P�½5
P�½5/OSC�½/�½N11
OSC�½
�½N11
P�½6
P�½6/OSC1/�½N10
P�½7
PB0/PWM1/�½N3
OSC1
�½N10
P�½7
PB0
PWM1
�½N3
PB1
PB1/BUZ/�½N�½
BUZ
�½N�½
PB�½
PB�½/PFD/�½N1
PFD
�½N1
PB3/�½N0
PB4/COM3
PB5/COM�½
PB6/COM1
PB7/COM0
PB3
�½N0
PB4
COM3
PB5
COM�½
PB6
COM1
PB7
COM0
OPT
P�½PU
P�½WK
—
CTRL0
P�½PU
P�½WK
—
—
—
P�½PU
P�½WK
—
—
—
P�½PU
P�½WK
CO
P�½PU
P�½WK
CO
P�½PU
P�½WK
CO
�½NCSR1
P�½PU
P�½WK
CO
�½NCSR1
P�½WK
PBPU
CTRL0
�½NCSR0
PBPU
CTRL�½
�½NCSR0
PBPU
CTRL0
�½NCSR0
PBPU
�½NCSR0
PBPU
LCDO
PBPU
LCDO
PBPU
LCDO
PBPU
LCDO
I/T
ST
ST
—
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
ST
LXT
ST
—
�½N
ST
OSC
�½N
ST
ST
—
�½N
ST
—
�½N
ST
—
�½N
ST
�½N
ST
—
ST
—
ST
—
ST
—
O/T
CMOS
—
CMOS
CMOS
—
—
—
CMOS
—
—
—
CMOS
LXT
CMOS
—
CMOS
OSC
—
CMOS
—
—
NMOS
CMOS
CMOS
—
CMOS
CMOS
—
CMOS
CMOS
—
CMOS
—
CMOS
COM
CMOS
COM
CMOS
COM
CMOS
COM
Description
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p and
wake-�½p.
External interr�½pt inp�½t
PWM o�½tp�½t
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p and
wake-�½p.
External interr�½pt inp�½t
External Timer 1 clock inp�½t
External Timer 0 clock inp�½t
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p and
wake-�½p.
External interr�½pt inp�½t
External Timer 0 clock inp�½t
External Timer 1 clock inp�½t
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p and
wake-�½p.
Low freq�½ency crystal pin
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p and
wake-�½p.
Low freq�½ency crystal pin
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p and
wake-�½p.
Oscillator pin
�½/D channel 11
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p and
wake-�½p.
Oscillator pin
�½/D channel 10
General p�½rpose I/O. Re�½ister enabled wake-�½p.
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p.
PWM1 o�½tp�½t
�½/D channel 3
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p.
B�½zzer O�½tp�½t
�½/D channel �½
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p.
PFD o�½tp�½t
�½/D channel 1
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p.
�½/D channel 0
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p.
LCD COM port
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p.
LCD COM port
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p.
LCD COM port
General p�½rpose I/O. Re�½ister enabled p�½ll-�½p.
LCD COM port
Rev. 1.00
7
�½�½�½�½st 1�½�½ �½011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
