HT48R002 Datasheet, PDF (7/71 Pages) Holtek Semiconductor Inc – Cost-Effective I/O 8-Bit OTP MCU

HT48R002/HT48R003
Cost-Effective I/O 8-Bit OTP MCU
Pin Description
HT48R002
Pin Name Function OPT I/T O/T
Description
PA0
PA0
PAPU
PAWU
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
PA1/TMR
PA1
TMR
PAPU
PAWU
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
TMR0C ST ­— Timer/Event counter 0 input
PA2/INT
PA2
PAPU
PAWU
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
INT
INTC0
CTRL1
ST
­— External interrupt input
PA3~PA4 PA3~PA4 PAPU ST CMOS General purpose I/O. Register enabled pull-up.
PA5
PA5
PAPU
PAWU
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
PA6
PA6
PAPU ST CMOS General purpose I/O. Register enabled pull-up.
PA7/RES
PA7
PAPU ST NMOS General purpose I/O
RES
—
ST — Reset input
VDD
VDD
— PWR — Power supply
VSS
VSS
— PWR — Ground
Note: OPT: Optional by register option
I/T: Input type
O/T: Output type;
ST: Schmitt Trigger input;
CMOS: CMOS output;
NMOS: NMOS output;
PWR: Power
Rev. 1.11
7
April 11, 2017