HT46R01B_10 Datasheet, PDF (6/71 Pages) Holtek Semiconductor Inc – Small Package 8-Bit OTP MCU

HT46R01B/02B/01N/02N
HT48R01B/02B/01N/02N
Note:
I/T: Input type
O/T: Output type
OPT: Optional by configuration option (CO) or register option
PWR: Power
CO: Configuration option
ST: Schmitt Trigger input
CMOS: CMOS output
HT48R01N/HT48R02N
Pin Name
PA0
PA1/PFD
PA2/TC0
PA3/INT
PA4/TC1
PA5/OSC2
PA6/OSC1
PA7/RES
PB0
PB1
VDD
VSS
Function OPT
PA0
PAPU
PAWK
PA1
PAPU
PAWK
PFD CTRL0
PA2
PAPU
PAWK
TC0
¾
PA3
PAPU
PAWK
INT
¾
PA4
PAPU
PAWK
TC1
¾
PA5
PAPU
PAWK
OSC2
CO
PA6
PAPU
PAWK
OSC1
CO
PA7 PAWK
RES
CO
PB0 PBPU
PB1 PBPU
VDD
¾
VSS
¾
I/T
ST
ST
¾
ST
ST
ST
ST
ST
ST
ST
¾
ST
OSC
ST
ST
ST
ST
PWR
PWR
O/T
Description
CMOS General purpose I/O. Register enabled pull-up and wake-up.
CMOS General purpose I/O. Register enabled pull-up and wake-up.
CMOS PFD output
CMOS General purpose I/O. Register enabled pull-up and wake-up.
¾ External Timer 0 clock input
CMOS General purpose I/O. Register enabled pull-up and wake-up.
¾ External interrupt input
CMOS General purpose I/O. Register enabled pull-up and wake-up.
¾ External Timer 1 clock input
CMOS General purpose I/O. Register enabled pull-up and wake-up.
OSC Oscillator pin
CMOS General purpose I/O. Register enabled pull-up and wake-up.
¾ Oscillator pin
NMOS General purpose I/O. Register enabled wake-up.
¾ Reset input
CMOS General purpose I/O. Register enabled.
CMOS General purpose I/O. Register enabled.
¾ Power supply
¾ Ground
Note:
I/T: Input type
O/T: Output type
OPT: Optional by configuration option (CO) or register option
PWR: Power
CO: Configuration option
ST: Schmitt Trigger input
CMOS: CMOS output
Rev.1.10
6
February 12, 2010