Holtek BS82B12A-3 - Page 11

Rev. 1.20 10 January 23, 2015 Rev. 1.20 11 January 23, 2015
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
Pin Name Function OP I/T O/T Description
PA
3/SDA/
RX
PA
3
PAWU
PAPU
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
SDA IICC0 ST NMOS I
2
C Data
RX UCR1 ST —
UART receiver data input
PA4/INT/
TCK0/
SCOM1
PA4
PAWU
PAPU
ST CMOS
General purpose I/O. Register enabled pull-up and wake-up.
INT
INTC0
INTEG
ST — External interrupt
TCK0 CTM0C0 ST — CTM0 clock input
SCOM1 SLCDC0 — SCOM LCD driver output for LCD panel common
PA7/SCL/TX
PA7
PAWU
PAPU
ST CMOS
General purpose I/O. Register enabled pull-up and wake-up.
SCL IICC0 ST NMOS I
2
C Clock
TX UCR1 — CMOS
UART transmitter data output
PB0/
SSEG0/
KEY1
PB0 PBPU ST CMOS
General purpose I/O. Register enabled pull-up.
SSEG0 SLCDC1 — CMOS LCD driver output for LCD panel segment
KEY1 TKM0C1 NSI — Touch key input
PB1/
SSEG1/
KEY2
PB1 PBPU ST CMOS
General purpose I/O. Register enabled pull-up.
SSEG1 SLCDC1 — CMOS LCD driver output for LCD panel segment
KEY2 TKM0C1 NSI — Touch key input
PB2/
SSEG2/
KEY3
PB2 PBPU ST CMOS General purpose I/O. Register enabled pull-up.
SSEG2 SLCDC1 — CMOS LCD driver output for LCD panel segment
KEY3 TKM0C1 NSI — Touch key input
PB3/
SSEG3/
KEY4
PB3 PBPU ST CMOS General purpose I/O. Register enabled pull-up.
SSEG3 SLCDC1 — CMOS LCD driver output for LCD panel segment
KEY4 TKM0C1 NSI — Touch key input
PB4/
SSEG4/
KEY5
PB4 PBPU ST CMOS General purpose I/O. Register enabled pull-up.
SSEG4 SLCDC1 — CMOS LCD driver output for LCD panel segment
KEY5 TKM1C1 NSI — Touch key input
PB5/
SSEG5/
KEY6
PB5 PBPU ST CMOS General purpose I/O. Register enabled pull-up.
SSEG5 SLCDC1 — CMOS LCD driver output for LCD panel segment
KEY6 TKM1C1 NSI — Touch key input
PB6/
SSEG6/
KEY7
PB6 PBPU ST CMOS
General purpose I/O. Register enabled pull-up.
SSEG6 SLCDC1 — CMOS LCD driver output for LCD panel segment
KEY7 TKM1C1 NSI — Touch key input
PB7/
SSEG7/
KEY8
PB7 PBPU ST CMOS
General purpose I/O. Register enabled pull-up.
SSEG7 SLCDC1 — CMOS LCD driver output for LCD panel segment
KEY8 TKM1C1 NSI — Touch key input
PC0/
SSEG8/
KEY9
PC0 PCPU ST CMOS
General purpose I/O. Register enabled pull-up.
SSEG8 SLCDC2 — CMOS LCD driver output for LCD panel segment
KEY9 TKM2C1 NSI — Touch key input
PC1/
SSEG9/
KEY10
PC1 PCPU ST CMOS
General purpose I/O. Register enabled pull-up.
SSEG9 SLCDC2 — CMOS LCD driver output for LCD panel segment
KEY10 TKM2C1 NSI — Touch key input