BS83C24-3
Pin Name
Function
OPT
I/T
O/T
Description
PA0/SDI/SDA
PA0
PAWU
PAPU
ST
CMOS
General purpose I/O. Register enabled pull-up and
wake-up.
SDI
SIMC0
ST
¾
SPI data input
SDA
SIMC0
ST
NMOS I
2
C data
PA1/SDO
PA1
PAWU
PAPU
ST
CMOS
General purpose I/O. Register enabled pull-up and
wake-up.
SDO
SIMC0
¾
CMOS SPI data output
PA2/SCK/SCL
PA2
PAWU
PAPU
ST
CMOS
General purpose I/O. Register enabled pull-up and
wake-up.
SCK
SIMC0
ST
CMOS SPI serial clock
SCL
SIMC0
ST
NMOS I
2
C clock
PA3/SCS
PA3
PAWU
PAPU
ST
CMOS
General purpose I/O. Register enabled pull-up and
wake-up.
SCS
SIMC0
ST
CMOS SPI slave select
PA4/INT
PA4
PAWU
PAPU
ST
CMOS
General purpose I/O. Register enabled pull-up and
wake-up.
INT
INTEG
ST
¾
External interrupt
RES
Reset pin
¾
ST
¾
¾
PB0/KEY1~
PB3/KEY4
PB0~PB3
PBPU
ST
CMOS General purpose I/O. Register enabled pull-up.
KEY1~KEY4
TKM0C1
NSI
¾
Touch key inputs
PB4/KEY5~
PB7/KEY8
PB4~PB7
PBPU
ST
CMOS General purpose I/O. Register enabled pull-up.
KEY5~KEY8
TKM1C1
NSI
¾
Touch key inputs
PC0/KEY9~
PC3/KEY12
PC0~PC3
PCPU
ST
CMOS General purpose I/O. Register enabled pull-up.
KEY9~KEY12
TKM2C1
NSI
¾
Touch key inputs
PC4/KEY13~
PC7/KEY16
PC4~PC7
PCPU
ST
CMOS General purpose I/O. Register enabled pull-up.
KEY13~KEY16 TKM3C1
NSI
¾
Touch key inputs
PD0/KEY17~
PD3/KEY20
PD0~PD3
PDPU
ST
CMOS General purpose I/O. Register enabled pull-up.
KEY17~KEY20 TKM4C1
NSI
¾
Touch key inputs
PD4/KEY21~
PD7/KEY24
PD4~PD7
PDPU
ST
CMOS General purpose I/O. Register enabled pull-up.
KEY21~KEY24 TKM5C1
NSI
¾
Touch key inputs
PE0/PFD
PE0
PEPU
ST
CMOS General purpose I/O. Register enabled pull-up.
PFD
TMR1C
¾
CMOS PFD output
PE1~PE7
PE1~PE7
PEPU
ST
CMOS General purpose I/O. Register enabled pull-up.
PF0/TC1
PF0
PFPU
ST
CMOS General purpose I/O. Register enabled pull-up.
TC1
¾
ST
¾
External Timer 1 clock input
PF1~PF3
PF1~PF3
PFPU
ST
CMOS General purpose I/O. Register enabled pull-up.
VDD
VDD
¾
PWR
¾
Power supply
VSS
VSS
¾
PWR
¾
Ground
Note:
I/T: Input type; O/T: Output type
OPT: Optional by register selection
PWR: Power; ST: Schmitt Trigger input
SP: Special input; CMOS: CMOS output; NMOS: NMOS output
NSI; Non-standard input
Rev. 1.50
10
April 28, 2020
BS83B08-3/B12-3/B16-3/B16G-3/C24-3
8-Bit Touch Key Flash MCU