Rev. 1.71
14
April 11, 2017
Rev. 1.71
15
April 11, 2017
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
Pin Name
Function
OPT
I/T
O/T
Description
PB3/SCOM3/
AN7
PB3
PBPU
PBSR
ST
CMOS
General purpose I/O. Register enabled pull-up
SCOM3
SCOMC
—
SCOM
LCD driver output for LCD panel common
AN7
PBSR
AN
—
ADC input channel 7
PB4/CLO/
SCOM2
PB4
PBPU
PBSR
ST
CMOS
General purpose I/O. Register enabled pull-up
CLO
PBSR
—
CMOS
System clock output
SCOM2
SCOMC
—
SCOM
LCD driver output for LCD panel common
PB5/PTP0B
PB5
PBPU
PBSR
ST
CMOS
General purpose I/O. Register enabled pull-up
PTP0B
PBSR
ST
CMOS
PTM0 inverting output
PB6/PTP1B
PB6
PBPU
PBSR
ST
CMOS
General purpose I/O. Register enabled pull-up
PTP1B
PBSR
ST
CMOS
PTM1 inverting output
PC0/SCOM0
PC0
PCPU
ST
CMOS
General purpose I/O. Register enabled pull-up
SCOM0
SCOMC
—
SCOM
LCD driver output for LCD panel common
PC1/SCOM1
PC1
PCPU
ST
CMOS
General purpose I/O. Register enabled pull-up
SCOM1
SCOMC
—
SCOM
LCD driver output for LCD panel common
PC2/RES
PC1
PCPU
RSTC
ST
CMOS
General purpose I/O. Register enabled pull-up
RES
RSTC
ST
—
External reset input
VDD
VDD
—
PWR
—
Digital positive power supply
AVDD
AVDD
—
PWR
—
Analog positive power supply
VSS
VSS
—
PWR
—
Digital negative power supply
AVSS
AVSS
—
PWR
—
Analog negative power supply
Legend: I/T: Input type;
O/T: Output type;
PWR: Power;
OP: Optional by register option SCOM: Software controlled LCD COM
ST: Schmitt Trigger input;
CMOS: CMOS output;
AN: Analog pin
*: VDD is the device power supply while AVDD is the ADC power supply. The AVDD pin is bonded
together internally with VDD.
**: VSS is the device ground pin while AVSS is the ADC ground pin. The AVSS pin is bonded together
internally with VSS.
Absolute Maximum Ratings
Supply Voltage ................................................................................................
V
SS
−0.3V to V
SS
+6.0V
Input Voltage ..................................................................................................V
SS
−0.3V to V
DD
+0.3V
Storage Temperature ....................................................................................................-50˚C to 125˚C
Operating Temperature ..................................................................................................-40˚C to 85˚C
I
OL
Total ..................................................................................................................................... 80mA
I
OH
Total ....................................................................................................................................-80mA
Total Power Dissipation ......................................................................................................... 500mW
Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum
Ratings" may cause substantial damage to these devices. Functional operation of these devices at
other conditions beyond those listed in the specification is not implied and prolonged exposure to
extreme conditions may affect devices reliability.