HT68F03M/HT68F04M/HT66F03M/HT66F04M
Pin Description
HT68F03M/HT68F04M
Pin Name
Function
OP
I/T
O/T
Pin-Shared Mapping
PAWU
PAPU
PA0~PA7 Port A
ST
CMOS
¾
C-
Comparator input
Comparator input
AN
AN
PA1
PA0
¾
¾
CPC
CPC
C+
CX
Comparator output
TM0 input
CMOS PA2
¾
ST
TCK0
TCK1
TP0
TP1
INT
PRM
PRM
PRM
PRM
PRM
CO
PA4, PA6 or PA7
PA3 or PA7
¾
¾
TM1 input
ST
TM0 I/O
ST
CMOS PA3, PA5 or PA2
CMOS PA4, PA6 or PA7
TM1 I/O
ST
External Interrupt
HXT/ERC/LXT pin
HXT/LXT pin
ST
PA3 or PA7
PA6
¾
¾
OSC1
OSC2
RES
VDD
VSS
LX
HXT/LXT
CO
HXT/LXT PA5
¾
Reset pin
CO
ST
PA7
¾
¾
¾
¾
¾
¾
¾
¾
¾
Power supply
PWR
PWR
PWR
PWR
NS
¾
¾
¾
¾
¾
¾
¾
Ground
¾
Switching input pin
DC-DC converter output pin
DC-DC converter chip enable, active high
Ground
¾
VOUT
CE
¾
¾
GND
NC
PWR
¾
¾
Not connected
¾
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
Rev. 1.10
4
May 24, 2010