HT66F03M View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
View to exact match
HT66F03M Datasheet PDF : 13 Pages
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HT68F03M/HT68F04M/HT66F03M/HT66F04M
HT66F03M
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
TP0
TM0 I/O
TP1
TM1 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
CMOS PA3, PA5 or PA2
PRM
ST
CMOS PA4, PA6 or PA7
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
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.
Rev. 1.10
5
May 24, 2010
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