Holtek BS66F340C Manual page 16

Pin Name Function
PA6
CTCK0
INT0
PA6/CTCK0/INT0/RX/
SCK/SCL
RX
SCK
SCL
PA7
TX
PA7/TX/SDI/SDA
SDI
SDA
PB0
VREF
PB0/VREF/SDI/SDA/
SDI
AN0
SDA
AN0
PB1
SCK
PB1/SCK/SCL/AN1
SCL
AN1
PB2
PTP
PB2/PTP/PTPI/TX/AN2
PTPI
TX
AN2
PB3
PB3/RX/AN3
RX
AN3
PB4
PTPB
PB4/PTPB/PTPI/AN4/
KEY1 PTPI
AN4
KEY1
Rev. 1.11
BS66F340C/BS66F350C/BS66F360C
OPT I/T O/T
PAWU General purpose I/O. Register enabled pull-up and
ST CMOS
PAPU wake-up.
ST CTM0 clock input
— —
INTEG
ST External Interrupt input 0
—
INTC0
PAS1
ST UART RX serial data input
—
IFS1
PAS1
ST CMOS SIM SPI serial clock
IFS1
PAS1
ST NMOS SIM I C clock line
2
IFS1
PAWU General purpose I/O. Register enabled pull-up and
ST CMOS
PAPU wake-up.
PAS1 CMOS UART TX serial data output
—
PAS1
ST SIM SPI serial data input
—
IFS1
PAS1
ST NMOS SIM I C data line
2
IFS1
PBPU
ST CMOS General purpose I/O. Register enabled pull-up.
PBS0
PBS0 AN A/D Converter reference voltage input
—
PBS0
ST SIM SPI data input
—
IFS1
PBS0
ST NMOS SIM I C data line
2
IFS1
PBS0 AN A/D Converter analog input
—
PBPU
ST CMOS General purpose I/O. Register enabled pull-up.
PBS0
PBS0
ST CMOS SIM SPI serial clock
IFS1
PBS0
ST NMOS SIM I C clock line
2
IFS1
PBS0 AN A/D Converter analog input
—
PBPU
ST CMOS General purpose I/O. Register enabled pull-up.
PBS0
PBS0 CMOS PTM output
—
PBS0
ST PTM capture input
—
IFS0
PBS0 CMOS UART TX serial data output
—
PBS0 AN A/D Converter analog input
—
PBPU
ST CMOS General purpose I/O. Register enabled pull-up.
PBS0
PBS0
ST UART RX serial data input
—
IFS1
PBS0 AN A/D Converter analog input
—
PBPU
ST CMOS General purpose I/O. Register enabled pull-up.
PBS1
PBS1 CMOS PTM inverted output
—
PBS1
ST PTM capture input
—
IFS0
PBS1 AN A/D Converter analog input
—
PBS1 AN Touch key input
—
16
Touch A/D Flash MCU
Description
November 09, 2023