Holtek HT67F2350 Manual page 31

HT67F2350/HT67F2360
HT67F2370/HT67F2390
Advanced A/D Flash MCU with LCD & EEPROM
Pad Name Function
PJ7/PTCK4/SEG11
PTCK4
SEG11
VDD VDD
VSS VSS
AVDD AVDD
AVSS AVSS
VMAX VMAX
V1
PLCD PLCD
Legend: I/T: Input type;
CMOS: CMOS output;
ST: Schmitt Trigger input;
HXT: High frequency crystal oscillator; LXT: Low frequency crystal oscillator;
LCD: LCD SEG/COM output;
HT67F2370/HT67F2390
Pad Name Function
PA0
PA0/SEG30/ICPDA/
SEG30
OCDSDA
ICPDA
OCDSDA
PA1
INT0
PA1/INT0/SCS/SEG26
SCS
SEG26
PA2
PA2/SEG29/ICPCK/
SEG29
OCDSCK
ICPCK
OCDSCK
PA3
PA3/INT1/SDO/SEG25
INT1
SDO
SEG25
Rev. 1.60
OPT I/T O/T
PJPU
PJ7 ST CMOS General purpose I/O. Register enabled pull-up.
PJS1
PJS1
ST —
IFS3
PJS1 — LCD
— PWR —
— PWR —
— PWR —
— PWR —
— PWR —
V1 — PWR AN
— PWR AN
O/T: Output type;
NMOS: NMOS output;
AN: Analog signal;
PWR: Power
OPT I/T O/T
PAWU
PAPU ST CMOS
PAS0
PAS0 — LCD
— ST CMOS ICP Data/Address pin
— ST CMOS OCDS Data/Address pin, for EV chip only.
PAWU
PAPU ST CMOS
PAS0
PAS0
INTEG
ST —
INTC0
IFS2
PAS0
ST CMOS SPI slave select
IFS2
PAS0 — LCD
PAWU
PAPU ST CMOS
PAS0
PAS0 — LCD
— ST CMOS ICP Clock pin
— ST —
PAWU
PAPU ST CMOS
PAS0
PAS0
INTEG
ST —
INTC0
IFS2
PAS0 — CMOS SPI data output
PAS0 — LCD
31
Description
PTM4 clock input
LCD segment output
Positive power supply
Negative power supply, ground.
Analog positive power supply
Analog negative power supply, ground.
IC maximum voltage, connected to V
LCD voltage pump
LCD power supply
OPT: Optional by register option;
Description
General purpose I/O. Register enabled pull-up
and wake-up.
LCD segment output
General purpose I/O. Register enabled pull-up
and wake-up.
External Interrupt 0
LCD segment output
General purpose I/O. Register enabled pull-up
and wake-up.
LCD segment output
OCDS Clock pin, for EV chip only.
General purpose I/O. Register enabled pull-up
and wake-up.
External Interrupt 1
LCD segment output
or V1.
DD
May 16, 2019