BS85B12-3 HOLTEK [Holtek Semiconductor Inc], BS85B12-3 Datasheet - Page 15

• 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
PC4/TCK0/
INT0/TP1B_2/
SSEG4/KEY5
PC5/TCK1/
INT1/TP1A/
SSEG5/KEY6
PC6/TCK2/
PCK/SSEG6/
KEY7
PC7/PINT/
SSEG7/KEY8
PD0/TCK2/
KEY13
PD1/KEY14
PD2/KEY15
PD3/KEY16
PD4/KEY17
PD5/KEY18
PD6/KEY19
PD7/KEY20
Pin Name
PC4
TCK0
INT0
TP1B_2
SSEG4
KEY5
PC5
TCK1
INT1
TP1A
SSEG5
KEY6
PC6
TCK2
PCK
SSEG6
KEY7
PC7
PINT
SSEG7
KEY8
PD0
TCK2
KEY13
PD1
KEY14
PD2
KEY15
PD3
KEY16
PD4
KEY17
PD5
KEY18
PD6
KEY19
PD7
KEY20
Function
Register
SLCDCn
TKMnC1
SLCDCn
TKMnC1
SLCDCn
TKMnC1
SLCDCn
TKMnC1
TKMnC1
TKMnC1
TKMnC1
TKMnC1
TKMnC1
TKMnC1
TKMnC1
TKMnC1
TMPCn
TMPCn
TM0C0
TM1C0
TM2C0
TM2C0
SIMC0
Select
PCPU
INTC0
PCPU
INTC0
PCPU
PCPU
PDPU
PDPU
PDPU
PDPU
PDPU
PDPU
PDPU
PDPU
MFI3
ST
ST
ST
ST
NS
ST
ST
ST
ST
NS
ST
ST
NS
ST
ST
NS
ST
ST
NS
ST
NS
ST
NS
ST
NS
ST
NS
ST
NS
ST
NS
ST
NS
I/T
CMOS General purpose I/O. Register enabled pull-up.
CMOS TM1 I/O
CMOS General purpose I/O. Register enabled pull-up.
CMOS TM1 I/O
CMOS General purpose I/O. Register enabled pull-up.
CMOS Peripheral clock output
CMOS General purpose I/O. Register enabled pull-up.
CMOS General purpose I/O. Register enabled pull-up.
CMOS General purpose I/O. Register enabled pull-up.
CMOS General purpose I/O. Register enabled pull-up.
CMOS General purpose I/O. Register enabled pull-up.
CMOS General purpose I/O. Register enabled pull-up.
CMOS General purpose I/O. Register enabled pull-up.
CMOS General purpose I/O. Register enabled pull-up.
CMOS General purpose I/O. Register enabled pull-up.
LCD
LCD
LCD
LCD
O/T
9
Timer Module 0 input
External interrupt 0 input
Software controlled LCD SEG
Touch key input
Timer Module 1 input
External interrupt 1 input
Software controlled LCD SEG
Touch key input
Timer Module 2 input
Software controlled LCD SEG
Touch key input
Peripheral interrupt input
Software controlled LCD SEG
Touch key input
Timer Module 2 input
Touch key input
Touch key input
Touch key input
Touch key input
Touch key input
Touch key input
Touch key input
Touch key input
Description
February 1, 2011