HT46R068B/HT46R069B
Enhanced A/D Type 8-bit OTP MCU
Pin Description
Pin Name
Function
PA0
OPT
PAPU
PAWK
I/T
O/T
Descriptions
General purpose I/O. Register enabled pull-up and
wake-up.
ST C�OS
PA0/AN0
AN0
ANCSR0 AN
—
A/D channel 0
PAPU
PAWK
General purpose I/O. Register enabled pull-up and
wake-up.
PA1
ST C�OS
PA1/PFD/AN1
PFD
AN1
CTRL0
ANCSR0 AN
PAPU
—
C�OS PFD output
—
A/D channel 1
General purpose I/O. Register enabled pull-up and
wake-up.
PAꢁ
ST C�OS
PAWK
TC0
ANꢁ
VREF
—
ST
—
—
—
External Timer 0 clock input
A/D channel ꢁ
ADC reference input
General purpose I/O. Register enabled pull-up and
wake-up.
External Interrupt input
A/D channel 3
PAꢁ/TC0/ANꢁ/VREF
PA3/INTB/AN3
ANCSR0 AN
ACSR
PAPU
PAWK
—
ANCSR0 AN
PAPU
PAWK
CTRL0
—
AN
PA3
ST C�OS
INTB
AN3
ST
—
—
General purpose I/O. Register enabled pull-up and
wake-up.
PA4
ST C�OS
PW�0
TC1
AUD
—
ST
—
C�OS PW� output
—
AN DAC output
PA4/PW�0/TC1/AUD
External Timer 1 clock input
—
PAPU
PAWK
CO
PAPU
PAWK
General purpose I/O. Register enabled pull-up and
wake-up.
OSC Oscillator pin
PA5
OSCꢁ
PA6
ST C�OS
PA5/OSCꢁ
PA6/OSC1
—
General purpose I/O. Register enabled pull-up and
wake-up.
ST C�OS
OSC1
PA7
CO
PAWK
CO
OSC
—
Oscillator pin
ST N�OS General purpose I/O. Register enabled wake-up.
ST Reset input
ST C�OS General purpose I/O. Register enabled pull-up
SCO� Software controlled 1/ꢁ bias LCD CO�
ST C�OS General purpose I/O. Register enabled pull-up
SCO� Software controlled 1/ꢁ bias LCD CO�
ST C�OS General purpose I/O. Register enabled pull-up
SCO� Software controlled 1/ꢁ bias LCD CO�
ST C�OS General purpose I/O. Register enabled pull-up
SCO� Software controlled 1/ꢁ bias LCD CO�
PA7/
RES
—
RES
PB0
SCO�0
PB1
SCO�1
PBꢁ
SCO�ꢁ
PB3
SCO�3
PB4ꢂPB5
PB6
PBPU
SCO�C
PBPU
SCO�C
PBPU
SCO�C
PBPU
SCO�C
PBPU
PBPU
—
PB0/SCO�0
PB1/SCO�1
PBꢁ/SCO�ꢁ
—
—
—
PB3/SCO�3
PB4ꢂPB5
—
ST C�OS General purpose I/O. Register enabled pull-up
ST C�OS General purpose I/O. Register enabled pull-up
PB6/
SCSA
ST
—
SPI Slave Select
SCSA
PB7
SCKA
PC0
AN4
PC1
AN5
PCꢁ
PW�ꢁ
PC3
PW�1
PC4
PBPU
—
PCPU
ST C�OS General purpose I/O. Register enabled pull-up
ST C�OS SPI Serial Clock
ST C�OS General purpose I/O. Register enabled pull-up.
PB7/SCKA
PC0/AN4
PC1/AN5
PCꢁ/PW�ꢁ
PC3/PW�1
PC4/XTꢁ
ANCSR0 AN
PCPU ST C�OS General purpose I/O. Register enabled pull-up.
ANCSR0 AN A/D channel 5
ST C�OS General purpose I/O. Register enabled pull-up.
C�OS PW� output
ST C�OS General purpose I/O. Register enabled pull-up.
C�OS PW� output
ST C�OS General purpose I/O. Register enabled pull-up.
LXT Low frequencꢀ crꢀstal pin
ST C�OS General purpose I/O. Register enabled pull-up.
LXT Low frequencꢀ crꢀstal pin
—
A/D channel 4
—
PCPU
CTRLꢁ
PCPU
CTRL0
PCPU
CO
—
—
XTꢁ
PC5
XT1
—
PCPU
CO
PC5/XT1
—
Rev. 1.10
10
�aꢀ 0ꢁꢂ ꢁ01ꢁ
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
