Rev. 1.20
14
�an�a�� 2�� 201�
Rev. 1.20
1�
�an�a�� 2�� 201�
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
BS82D20A-3
Pin Name Function
OP
I/T
O/T
Description
PA0/TCK1/
SCOM2/
ICPDA/
OCDSDA
PA0
PAWU
PAPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p and wake-�p.
TCK1
PTM0C0 ST
—
PTM0 clock inp�t
SCOM2 SLCDC0
—
SCOM LCD d�ive� o�tp�t fo� LCD panel common
ICPDA
—
ST
CMOS In-ci�c�it p�og�amming add�ess/data pin
OCDSDA
—
ST
CMOS On-chip deb�g s�ppo�t data/add�ess pin� fo� EV chip onl�.
PA1/
SCOM0/
KEY20
PA1
PAWU
PAPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p and wake-�p.
SCOM0 SLCDC0
—
SCOM LCD d�ive� o�tp�t fo� LCD panel common
KEY20 TKM4C1 NSI
—
To�ch ke� inp�t
PA2/
SCOM�/
ICPCK/
OCDSCK
PA2
PAWU
PAPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p and wake-�p.
SCOM� SLCDC0
—
SCOM LCD d�ive� o�tp�t fo� LCD panel common
ICPCK
—
ST
—
In-ci�c�it p�og�amming clock pin
OCDSCK
—
ST
—
On-chip deb�g s�ppo�t clock pin� fo� EV chip onl�.
PA�/SDA/RX
PA�
PAWU
PAPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p and wake-�p.
SDA
IICC0
ST
NMOS I
2
C Data
RX
UCR1
ST
—
UART �eceive� data inp�t
PA4/INT/
TCK0/
SCOM1/
KEY19
PA4
PAWU
PAPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p and wake-�p.
INT
INTC0
INTEG
ST
—
Exte�nal inte���pt
TCK0
CTM0C0 ST
—
CTM0 clock inp�t
SCOM1 SLCDC0
—
SCOM LCD d�ive� o�tp�t fo� LCD panel common
KEY19 TKM4C1 NSI
—
To�ch ke� inp�t
PA7/SCL/TX
PA7
PAWU
PAPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p and wake-�p.
SCL
IICC0
ST
NMOS I
2
C Clock
TX
UCR1
—
CMOS UART t�ansmitte� data o�tp�t
PB0/SSEG0/
KEY1
PB0
PBPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p.
SSEG0 SLCDC1
—
CMOS LCD d�ive� o�tp�t fo� LCD panel segment
KEY1
TKM0C1 NSI
—
To�ch ke� inp�t
PB1/SSEG1/
KEY2
PB1
PBPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p.
SSEG1 SLCDC1
—
CMOS LCD d�ive� o�tp�t fo� LCD panel segment
KEY2
TKM0C1 NSI
—
To�ch ke� inp�t
PB2/SSEG2/
KEY�
PB2
PBPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p.
SSEG2 SLCDC1
—
CMOS LCD d�ive� o�tp�t fo� LCD panel segment
KEY�
TKM0C1 NSI
—
To�ch ke� inp�t
PB�/SSEG�/
KEY4
PB�
PBPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p.
SSEG� SLCDC1
—
CMOS LCD d�ive� o�tp�t fo� LCD panel segment
KEY4
TKM0C1 NSI
—
To�ch ke� inp�t
PB4/SSEG4/
KEY�
PB4
PBPU
ST
CMOS Gene�al p��pose I/O. Registe� enabled p�ll-�p.
SSEG4 SLCDC1
—
CMOS LCD d�ive� o�tp�t fo� LCD panel segment
KEY�
TKM1C1 NSI
—
To�ch ke� inp�t