Holtek BS82B12A-3 - Page 14

Rev. 1.20 14 January 23, 2015 Rev. 1.20 15 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
PC2/
SSEG10/
KEY11
PC2 PCPU ST CMOS
General purpose I/O. Register enabled pull-up.
SSEG10 SLCDC2 — CMOS LCD driver output for LCD panel segment
KEY11 TKM2C1 NSI — Touch key input
PC3/
SSEG11/
KEY12
PC3 PCPU ST CMOS General purpose I/O. Register enabled pull-up.
SSEG11 SLCDC2 — CMOS LCD driver output for LCD panel segment
KEY12 TKM2C1 NSI — Touch key input
PC4/
SSEG12/
KEY13
PC4 PCPU ST CMOS General purpose I/O. Register enabled pull-up.
SSEG12 SLCDC2 — CMOS LCD driver output for LCD panel segment
KEY13 TKM3C1 NSI — Touch key input
PC5/
SSEG13/
KEY14
PC5 PCPU ST CMOS General purpose I/O. Register enabled pull-up.
SSEG13 SLCDC2 — CMOS LCD driver output for LCD panel segment
KEY14 TKM3C1 NSI — Touch key input
PC6/TP1_1/
SSEG14/
KEY15
PC6 PCPU ST CMOS General purpose I/O. Register enabled pull-up.
TP1_1 TMPC — CMOS PTM0 output
SSEG14 SLCDC2 — CMOS LCD driver output for LCD panel segment
KEY15 TKM3C1 NSI — Touch key input
PC7/TP0_1/
SSEG15/
KEY16
PC7 PCPU ST CMOS
General purpose I/O. Register enabled pull-up.
TP0_1 TMPC — CMOS CTM0 output
SSEG15 SLCDC2 — CMOS LCD driver output for LCD panel segment
KEY16 TKM3C1 NSI — Touch key input
PD0/TP1_0/
SSEG16/
XT1
PD0 PDPU ST CMOS
General purpose I/O. Register enabled pull-up.
TP1_0 TMPC — CMOS PTM0 output
SSEG16 SLCDC3 — CMOS LCD driver output for LCD panel segment
XT1 CO LXT — LXT pin
PD1/TP0_0/
SSEG17/
XT2
PD1 PDPU ST CMOS
General purpose I/O. Register enabled pull-up.
TP0_0 TMPC — CMOS CTM0 output
SSEG17 SLCDC3 — CMOS LCD driver output for LCD panel segment
XT2 CO — LXT LXT pin
PD2/
SSEG18
PD2 PDPU ST CMOS
General purpose I/O. Register enabled pull-up.
SSEG18 SLCDC3 — CMOS LCD driver output for LCD panel segment
PD3/
SSEG19
PD3 PDPU ST CMOS General purpose I/O. Register enabled pull-up.
SSEG19 SLCDC3 — CMOS LCD driver output for LCD panel segment
VDD VDD — PWR — Power supply
VSS VSS — PWR — Ground
Note:I/T:Inputtype;  O/T:Outputtype
OP:Optionalbycongurationoption(CO)orregisterselection
PWR:Power;  ST:SchmittTriggerinput
CMOS:CMOSoutput; NMOS:NMOSoutput;  SCOM:SCOMoutput
AN:Analoginput;NSI:Non-standardinput
LXT:Lowfrequencycrystaloscillator
ThePTMpinnamesandoutputpincontrolbitsuse"1"astheirserialnumber,butotherPTMrelatedregiter
namesorbitnamesuse"0".