BS85B12-3 HOLTEK [Holtek Semiconductor Inc], BS85B12-3 Datasheet - Page 13

• Manufacturer Part Number: BS85B12-3
• Description: Touch Key Flash Type 8-Bit MCU with LCD/LED Driver
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

BS85B12-3/BS85C20-3
Touch Key Flash MCU with LCD/LED Driver
Rev. 1.00
PA0/SDI/SDA
PA1/TCK1/
INT1/SSEG10
PA2/SCK/SCL
PA3/SCS
PA4/TCK0/
INT0/SSEG11
PA5/SSEG12
PA6/SSEG13
PA7/SDO
PB0/TP0_0/
SCOM0
PB1/TP0_1/
TP2_0/SCOM1
PB2/TP1B_0/
TP2_1/
SCOM2
Pin Name
BS85C20-3
PA0
SDI
SDA
PA1
TCK1
INT1
SSEG10
PA2
SCK
SCL
PA3
SCS
PA4
TCK0
INT0
SSEG11
PA5
SSEG12
PA6
SSEG13
PA7
SDO
PB0
TP0_0
SCOM0
PB1
TP0_1
TP2_0
SCOM1
PB2
TP1B_0
TP2_1
SCOM2
Function
Register
SLCDCn
SLCDCn
SLCDCn
SLCDCn
SLCDCn
SLCDCn
SLCDCn
TMPCn
TMPCn
TMPCn
TMPCn
TMPCn
TM1C0
TM0C0
SIMC0
SIMC0
SIMC0
SIMC0
SIMC0
SIMC0
Select
PAWU
PAWU
PAWU
PAWU
PAWU
PAWU
PAWU
PAWU
INTC0
INTC0
PAPU
PAPU
PAPU
PAPU
PAPU
PAPU
PAPU
PAPU
PBPU
PBPU
PBPU
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
I/T
CMOS General purpose I/O. Register enabled pull-up and wake-up.
NMOS I
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 SPI serial clock
NMOS I
CMOS General purpose I/O. Register enabled pull-up and wake-up.
CMOS SPI slave select
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 General purpose I/O. Register enabled pull-up and wake-up.
CMOS General purpose I/O. Register enabled pull-up and wake-up.
CMOS SPI data output
CMOS General purpose I/O. Register enabled pull-up.
CMOS TM0 I/O
CMOS General purpose I/O. Register enabled pull-up.
CMOS TM0 I/O
CMOS TM2 I/O
CMOS General purpose I/O. Register enabled pull-up.
CMOS TM1 I/O
CMOS TM2 I/O
LCD
LCD
LCD
LCD
LCD
LCD
LCD
O/T
7
SPI data input
Timer Module 1 input
External interrupt 1 input
Software controlled LCD SEG
Timer Module 0 input
External interrupt 0 input
Software controlled LCD SEG
Software controlled LCD SEG
Software controlled LCD SEG
Software controlled LCD COM
Software controlled LCD COM
Software controlled LCD COM
2
2
C data I/O
C clock
Description
February 1, 2011