Rev. 2.10
18
���� 02� 201�
Rev. 2.10
19
���� 02� 201�
HT68F20/HT68F30/HT68F40/HT68F50/HT68F60
HT68FU30/HT68FU40/HT68FU50/HT68FU60
Enhanced I/O Flash Type 8-Bit MCU with EEPROM
HT68F20/HT68F30/HT68F40/HT68F50/HT68F60
HT68FU30/HT68FU40/HT68FU50/HT68FU60
Enhanced I/O Flash Type 8-Bit MCU with EEPROM
HT68F30
Pin Name
Function
OP
I/T
O/T
Pin-Shared Mapping
PA0~PA7
Port A
PAWU
PAPU
ST
CMOS
—
PB0~PB5
Port B
PBPU
ST
CMOS
—
PC0~PC7
Port C
PCPU
ST
CMOS
—
C0-� C1-
Comparator 0� 1 inp�t
CP0C
CP1C
AN
—
PA3� PC3
C0+� C1+
Comparator 0� 1 inp�t
AN
—
PA2� PC2
C0X� C1X
Comparator 0� 1 o�tp�t
—
CMOS
PA0� PA5
TCK0� TCK1
TM0� TM1 inp�t
—
ST
—
PA2� PA�
TP0_0� TP0_1
TM0 I/O
TMPC0
ST
CMOS
PA0� PC5
TP1A
TM1 I/O
TMPC0
ST
CMOS
PA1
TP1B_0� TP1B_1 TM1 I/O
TMPC0
ST
CMOS
PC0� PC1
INT0� INT1
Ext. Interr�pt 0� 1
—
ST
—
PA3� PA�
PINT
Periphera� Interr�pt
PRM0
ST
—
PC3 or PC�
PCK
Periphera� C�ock o�tp�t
PRM0
—
CMOS
PC2 or PC5
SDI
SPI Data inp�t
PRM0
ST
—
PA6 or PC0
SDO
SPI Data o�tp�t
PRM0
—
CMOS
PA5 or PC1
SCS
SPI S�ave Se�ect
PRM0
ST
CMOS
PB5 or PC6
SCK
SPI Seria� C�ock
PRM0
ST
CMOS
PA7 or PC7
SCL
I
2
C C�ock
PRM0
ST
NMOS
PA7 or PC7
SDA
I
2
C Data
PRM0
ST
NMOS
PA6 or PC0
SCOM0~SCOM3 SCOM0~SCOM3
SCOMC
—
SCOM
PC0� PC1� PC6� PC7
OSC1
HXT/ERC pin
CO
HXT
—
PB1
OSC2
HXT pin
CO
—
HXT
PB2
XT1
LXT pin
CO
LXT
—
PB3
XT2
LXT pin
CO
—
LXT
PB�
RES
Reset inp�t
CO
ST
—
PB0
VDD
Power s�pp��
—
PWR
—
—
VSS
Gro�nd
—
PWR
—
—
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
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
As the Pin Description Summary table applies to the package type with the most pins, not all of the above
listed pins may be present on package types with smaller numbers of pins.