HT66F03M View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
Manufacturer
HT66F03M Datasheet PDF : 13 Pages
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HT68F03M/HT68F04M/HT66F03M/HT66F04M
HT66F04M
Pin Name
Function
PA0~PA7 Port A
AN0~AN3 A/D converter input
VREF
A/D converter reference input
C-
Comparator input
C+
Comparator input
CX
Comparator output
TCK0
TM0 input
TCK1
TM1 input
TCK2
TM2 input
TP0
TM0 I/O
TP1
TM1 I/O
TP2A
TM2 I/O
TP2B
TM2 I/O
INT
External interrupt
OSC1
HXT/ERC/LXT pin
OSC2
HXT/LXT pin
RES
Reset input
VDD
MCU power supply
AVDD
A/D converter power supply *
VSS
MCU ground
AVSS
A/D converter ground **
LX
Switching input pin
VOUT
DC-DC converter output pin
CE
DC-DC converter chip enable, active high
GND
Ground
NC
Not connected
OP
I/T
O/T Pin-Shared Mapping
PAWU
PAPU
ST
CMOS ¾
ACERL
AN
¾ PA0~PA3
ADCR1 AN
¾ PA1
AN
¾ PA1
CPC
AN
¾ PA0
¾
CMOS PA2
PRM
ST
¾ PA4, PA6 or PA7
PRM
ST
¾ PA3 or PA7
PRM
ST
¾ PA3, PA5 or PA2
PRM
ST
CMOS PA3, PA5 or PA2
PRM
ST
CMOS PA4, PA6 or PA7
PRM
ST
CMOS PA6, PA1 or PA7
PRM
ST
CMOS PA5, PA0 or PA2
¾
ST
¾ PA3 or PA7
CO HXT/LXT ¾ PA6
CO
¾ HXT/LXT PA5
CO
ST
¾ PA7
¾
PWR
¾¾
¾
PWR
¾¾
¾
PWR
¾¾
PWR
¾¾
¾
PWR
¾¾
¾
PWR
¾¾
¾
NS
¾¾
¾
PWR
¾¾
¾
¾
¾¾
Note:
I/T: Input type
O/T: Output type
OP: Optional by configuration option (CO) or register option
PWR: Power
CO: Configuration option
ST: Schmitt Trigger input
NS: non-standard input
CMOS: CMOS output
NMOS: NMOS output
SCOM: Software controlled LCD COM
AN: Analog input pin
HXT: High frequency crystal oscillator
LXT: Low frequency crystal oscillator
*: VDD is the device power supply while AVDD is the ADC power supply. The AVDD pin is bonded together in-
ternally with VDD.
**: VSS is the device ground pin while AVSS is the ADC ground pin. The AVSS pin is bonded together internally
with VSS.
Rev. 1.10
6
May 24, 2010
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