Holtek BS67F340 User manual

Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350
BS67F360/BS67F370
Revision: V1.40 Date: December 15, 2016December 15, 2016

Rev. 1.40 2 December 15, 2016 Rev. 1.40 3 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Table of Contents
Features................................................................................................................ 7
CPU Features ..............................................................................................................................7
Peripheral Features......................................................................................................................8
General Description............................................................................................. 9
Selection Table..................................................................................................... 9
Block Diagram.................................................................................................... 10
Pin Assignment.................................................................................................. 10
Pin Descriptions ................................................................................................ 18
Absolute Maximum Ratings.............................................................................. 36
D.C. Characteristics........................................................................................... 37
A.C. Characteristics........................................................................................... 38
A/D Converter Characteristics.......................................................................... 39
Temperature Sensor Electrical Characteristics .............................................. 40
LVD/LVR Electrical Characteristics.................................................................. 40
LCD Driver Electrical Characteristics .............................................................. 41
Touch Key Electrical Characteristics............................................................... 41
Power-on Reset Characteristics....................................................................... 43
System Architecture.......................................................................................... 44
Clocking and Pipelining..............................................................................................................44
Program Counter........................................................................................................................45
Stack ..........................................................................................................................................46
Arithmetic and Logic Unit – ALU ................................................................................................46
Flash Program Memory..................................................................................... 47
Structure.....................................................................................................................................47
Special Vectors ..........................................................................................................................48
Look-up Table.............................................................................................................................48
Table Program Example.............................................................................................................48
In Circuit Programming – ICP ....................................................................................................49
On-Chip Debug Support – OCDS ..............................................................................................50
In Application Programming – IAP .............................................................................................50
Data Memory ...................................................................................................... 63
Structure.....................................................................................................................................63
Data Memory Addressing...........................................................................................................64
General Purpose Data Memory .................................................................................................64
Special Purpose Data Memory ..................................................................................................64

Rev. 1.40 2 December 15, 2016 Rev. 1.40 3 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Special Function Register Description............................................................ 69
Indirect Addressing Registers − IAR0, IAR1, IAR2 ....................................................................69
Memory Pointers − MP0, MP1H/MP1L, MP2H/MP2L................................................................69
Program Memory Bank Pointer – PBP.......................................................................................71
Accumulator − ACC....................................................................................................................71
Program Counter Low Register − PCL.......................................................................................71
Look-up Table Registers – TBLP, TBHP, TBLH..........................................................................72
Status Register − STATUS.........................................................................................................72
EEPROM Data Memory...................................................................................... 74
EEPROM Data Memory Structure .............................................................................................74
EEPROM Registers ...................................................................................................................74
Reading Data from the EEPROM ..............................................................................................76
Writing Data to the EEPROM.....................................................................................................76
Write Protection..........................................................................................................................76
EEPROM Interrupt .....................................................................................................................76
Programming Considerations.....................................................................................................77
Oscillators .......................................................................................................... 78
Oscillator Overview ....................................................................................................................78
System Clock Congurations.....................................................................................................78
External Crystal/Ceramic Oscillator − HXT ................................................................................79
Internal High Speed RC Oscillator − HIRC ................................................................................80
External 32.768 kHz Crystal Oscillator − LXT............................................................................80
Internal 32kHz Oscillator − LIRC................................................................................................81
Operating Modes and System Clocks ............................................................. 82
System Clocks ...........................................................................................................................82
System Operation Modes...........................................................................................................83
Control Registers .......................................................................................................................84
Operating Mode Switching .........................................................................................................87
Standby Current Considerations ................................................................................................91
Wake-up.....................................................................................................................................91
Watchdog Timer................................................................................................. 92
Watchdog Timer Clock Source...................................................................................................92
Watchdog Timer Control Register ..............................................................................................92
Watchdog Timer Operation ........................................................................................................93
Reset and Initialisation...................................................................................... 94
Reset Functions .........................................................................................................................94
Reset Initial Conditions ..............................................................................................................98

Rev. 1.40 4 December 15, 2016 Rev. 1.40 5 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Input/Output Ports ........................................................................................... 104
Pull-high Resistors ...................................................................................................................107
Port A Wake-up ........................................................................................................................107
I/O Port Control Registers........................................................................................................107
Pin-shared Functions ...............................................................................................................108
I/O Pin Structures.....................................................................................................................121
Programming Considerations...................................................................................................122
Timer Modules – TM ........................................................................................ 122
Introduction ..............................................................................................................................122
TM Operation ...........................................................................................................................123
TM Clock Source......................................................................................................................123
TM Interrupts............................................................................................................................123
TM External Pins......................................................................................................................123
TM Input/Output Pin Selection .................................................................................................124
Programming Considerations...................................................................................................125
Compact Type TM – CTM ................................................................................ 126
Compact TM Operation............................................................................................................126
Compact Type TM Register Description...................................................................................127
Compact Type TM Operation Modes .......................................................................................131
Standard Type TM – STM ................................................................................ 137
Standard TM Operation............................................................................................................137
Standard Type TM Register Description ..................................................................................138
Standard Type TM Operation Modes .......................................................................................142
Periodic Type TM – PTM.................................................................................. 152
Periodic TM Operation .............................................................................................................152
Periodic Type TM Register Description....................................................................................153
Periodic Type TM Operation Modes.........................................................................................157
Analog to Digital Converter ............................................................................ 166
A/D Overview ...........................................................................................................................166
Registers Descriptions .............................................................................................................167
A/D Operation ..........................................................................................................................173
A/D Reference Voltage.............................................................................................................174
A/D Input Pins ..........................................................................................................................174
Conversion Rate and Timing Diagram .....................................................................................174
Summary of A/D Conversion Steps..........................................................................................175
Programming Considerations...................................................................................................176
A/D Transfer Function ..............................................................................................................176
A/D Programming Examples....................................................................................................177
Serial Interface Module – SIM ......................................................................... 179
SPI Interface ............................................................................................................................179
I2C Interface .............................................................................................................................185

Rev. 1.40 4 December 15, 2016 Rev. 1.40 5 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
UART Interface................................................................................................. 195
UART External Pin ...................................................................................................................196
UART Data Transfer Scheme...................................................................................................196
UART Status and Control Registers.........................................................................................196
Baud Rate Generator ...............................................................................................................202
UART Setup and Control..........................................................................................................203
UART Transmitter.....................................................................................................................204
UART Receiver ........................................................................................................................205
Managing Receiver Errors .......................................................................................................207
UART Interrupt Structure..........................................................................................................208
UART Power Down and Wake-up............................................................................................209
LCD Driver ........................................................................................................ 210
LCD Memory ............................................................................................................................ 211
LCD Clock Source....................................................................................................................213
LCD Register............................................................................................................................213
LCD Voltage Source and Biasing.............................................................................................215
LCD Reset Function.................................................................................................................216
LCD Driver Output....................................................................................................................217
Programming Considerations...................................................................................................220
Touch Key Function ........................................................................................ 220
Touch Key Structure.................................................................................................................220
Touch Key Register Denition..................................................................................................223
Touch Key Operation................................................................................................................230
Touch Key Interrupt ..................................................................................................................237
Progrsmming Considerations...................................................................................................237
Low Voltage Detector – LVD ........................................................................... 238
LVD Register ............................................................................................................................238
LVD Operation..........................................................................................................................239
Interrupts .......................................................................................................... 240
Interrupt Registers....................................................................................................................240
Interrupt Operation ...................................................................................................................247
External Interrupt......................................................................................................................248
Touch Key Interrupt ..................................................................................................................249
UART Transfer Interrupt ...........................................................................................................249
A/D Converter Interrupt............................................................................................................249
Multi-function Interrupt .............................................................................................................249
Time Base Interrupt..................................................................................................................250
Serial Interface Module Interrupt..............................................................................................252
LVD Interrupt ............................................................................................................................252
EEPROM Interrupt ...................................................................................................................252
TM Interrupt..............................................................................................................................252
Interrupt Wake-up Function......................................................................................................253
Programming Considerations...................................................................................................253

Rev. 1.40 6 December 15, 2016 Rev. 1.40 7 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Application Circuits......................................................................................... 254
Instruction Set.................................................................................................. 255
Introduction ..............................................................................................................................255
Instruction Timing .....................................................................................................................255
Moving and Transferring Data..................................................................................................255
Arithmetic Operations...............................................................................................................255
Logical and Rotate Operation ..................................................................................................256
Branches and Control Transfer ................................................................................................256
Bit Operations ..........................................................................................................................256
Table Read Operations ............................................................................................................256
Other Operations......................................................................................................................256
Instruction Set Summary ................................................................................ 257
Table Conventions....................................................................................................................257
Extended Instruction Set ..........................................................................................................259
Instruction Denition....................................................................................... 261
Extended Instruction Denition ................................................................................................270
Package Information ....................................................................................... 277
48-pin LQFP (7mm × 7mm) Outline Dimensions .....................................................................278
64-pin LQFP (7mm × 7mm) Outline Dimensions .....................................................................279
80-pin LQFP (10mm × 10mm) Outline Dimensions .................................................................281

Rev. 1.40 6 December 15, 2016 Rev. 1.40 7 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Features
CPU Features
• Operatingvoltage

♦fSYS=8MHz:2.2V~5.5V

♦fSYS=12MHz:2.7V~5.5V

♦fSYS=16MHz:3.3V~5.5V
• Upto0.25μsinstructioncyclewith16MHzsystemclockatVDD=5V
• Powerdownandwake-upfunctionstoreducepowerconsumption
• Oscillatortype

♦ExternalHighSpeedCrystal–HXT

♦InternalHighSpeedRC–HIRC

♦External32.768kHzCrystal–LXT

♦Internal32kHzRC–LIRC
• Fullyintegratedinternal8/12/16MHzoscillatorrequiresnoexternalcomponents
• Multi-modeoperation:NORMAL,SLOW,IDLEandSLEEP
• Allinstructionsexecutedinonetothreeinstructioncycles
• Tablereadinstructions
• 115powerfulinstructions
• Upto16-levelsubroutinenesting
• Bitmanipulationinstruction

Rev. 1.40 8 December 15, 2016 Rev. 1.40 9 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Peripheral Features
• ProgramMemory:Upto32K×16
• DataMemory:Upto1536×8
• TrueEEPROMMemory:128×8
• WatchdogTimerfunction
• Upto59bidirectionalI/Olines
• TwoexternalinterruptlinessharedwithI/Opins
• MultipleTimerModulesfortimemeasure,inputcapture,comparematchoutput,PWMoutput
functionorsinglepulseoutputfunction
• SerialInterfacesModule–SIMforSPIorI2C
• Fully-duplexUniversalAsynchronousReceiverandTransmitterInterface–UART
• LCDdriverfuncitonwith1/3bias–R-type&C-typebias
• Fullyintegratedupto36touchkeyfunctions–requirenoexternalcomponents
• DualTime-Basefunctionsforgenerationofxedtimeinterruptsignals
• 8-channel12-bitresolutionA/Dconverter
• TemperatureSensor
• InApplicationProgrammingfunction–IAP
• Lowvoltageresetfunction
• Lowvoltagedetectfunction
• Flashprogrammemorycanbere-programmedupto100,000times
• Flashprogrammemorydataretention>10years
• TrueEEPROMdatamemorycanbere-programmedupto1,000,000times
• TrueEEPROMdatamemorydataretention>10years
• Widerangeofavailablepackagetypes

Rev. 1.40 8 December 15, 2016 Rev. 1.40 9 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
General Description
TheseriesofdevicesareFlashMemoryA/Dtype8-bithighperformanceRISCarchitecture
microcontrollerwithfullyintegratedtouchkeyfunctions.Withalltouchkeyfunctionsprovided
internallyandwiththeconvenienceofFlashMemorymulti-programmingfeatures,eachdevicehas
allthefeaturestoofferdesignersareliableandeasymeansofimplementingTouchKeyeswithin
theirproductsapplications.
Thetouchkeyfunctionsarefullyintegratedcompletelyeliminatingtheneedforexternal
components.Inadditiontotheashprogrammemory,othermemoryincludesanareaofRAMData
MemoryaswellasanareaoftrueEEPROMmemoryforstorageofnon-volatiledatasuchasserial
numbers,calibrationdata,etc.Analogfeaturesincludeamulti-channel12-bitA/Dconverteranda
temperaturesensor.ProtectivefeaturessuchasaninternalWatchdogTimerandLowVoltageReset
functionscoupledwithexcellentnoiseimmunityandESDprotectionensurethatreliableoperation
ismaintainedinhostileelectricalenvironments.
Thesedevicesalsoincludefullyintegratedlowandhighspeedoscillatorswhichareexiblyusedfor
differentapplications.Theabilitytooperateandswitchdynamicallybetweenarangeofoperating
modesusingdifferentclocksourcesgivesuserstheabilitytooptimisemicrocontrolleroperation
andminimisepowerconsumption.Easycommunicationwiththeoutsideworldisprovidedusing
theinternalUART,I2CandSPIinterfaces,whiletheinclusionofexibleI/Oprogrammingfeatures,
Timermodulesandmanyotherfeaturesfurtherenhancedevicefunctionalityandexibility.
ThetouchkeydeviceswillfindexcellentuseinahugerangeofmodernTouchKeyproduct
applicationssuchasinstrumentation,householdappliances,electronicallycontrolledtoolstoname
butafew.
Selection Table
Mostfeaturesarecommontoalldevices.ThemainfeaturesdistinguishingthemareMemory
capacity,I/Ocount,TimerModulefeatures,TouchModuleandkeymumber,stackcapacity,LCD
driverandpackagetypes.Thefollowingtablesummarisesthemainfeaturesofeachdevice.
Part No. Program
Memory
Data
Memory
Data
EEPROM I/O External Interrupt A/D Temp. Sensor
Time
Base
BS67F340 4K×16 512×8 128×8 31 2 12-bit×8 √2
BS67F350 8K×16 768×8 128×8 39 2 12-bit×8 √2
BS67F360 16K×16 1024×8 128×8 43 2 12-bit×8 √2
BS67F370 32K×16 1536×8 128×8 59 2 12-bit×8 √2
Part No. Timer Module Touch
Module
Touch
Key SIM UART LCD Driver Stacks Package
BS67F340
10-bit CTM×2
10-bit PTM×1
16-bit STM×1
4 16 √ √ 4×24 8 48LQFP
BS67F350
10-bit CTM×2
10-bit PTM×1
16-bit STM×1
5 20 √ √ 4×32 8 48/64LQFP
BS67F360
10-bit CTM×2
10-bit PTM×1
16-bit STM×1
7 28 √ √ 4×40 12 48/64LQFP
BS67F370
10-bit CTM×2
10-bit PTM×1
16-bit STM×1
9 36 √ √ 4×48 16 48/64/80LQFP
Note:Asdevicesexistinmorethanonepackageformat,thetablereectsthesituationforthepackage
withthemostpins.

Rev. 1.40 10 December 15, 2016 Rev. 1.40 11 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Block Diagram
8-bit
RISC
MCU
Core
I/O Timer
Modules
Flash
Program
Memory
EEPROM
Data
Memory
Flash/EEPROM
Programming Circuitry
Time
Base
SIM
(SPI/I2C)
Low
Voltage
Reset
Watchdog
Timer
Low
Voltage
Detect
Interrupt
Controller
Reset
Circuit
External HXT
Oscillator
12-bit A/D
Converter
RAM Data
Memory
IAP
UART
Internal
HIRC/LIRC
Oscillators
Temperature
Sensor
Touch Key
Modules
External LXT
Oscillator
LCD
Driver
Pin Assignment
BS67F340/BS67V340
48 LQFP-A
PB4/PTPB/PTPI/AN4/KEY1
PB5/STCK/AN5/KEY2
PB6/PTCK/AN6/KEY3
PB7/INT1/AN7/KEY4
SEG0/PC0/KEY5
SEG1/PC1/KEY6
SEG2/PC2/KEY7
SEG3/PC3/KEY8
SEG4/PD4/KEY9
SEG5/PD5/KEY10
SEG6/PD6/KEY11
SEG7/PA7/KEY12
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
37383940
41
4243444546
47
48
V1
PA1/CTP0/V2
PA5/CTP0B/C1
PA6/CTCK0/INT0/C2
COM0
COM1
COM2
COM3
SEG23
SEG22
SEG21
SEG20
SEG8/PE4/KEY13 SEG9/PE5/CTCK1/KEY14 SEG10/PE6/CTP1/KEY15 SEG11/PE7/CTP1B/KEY16 SEG12/PE0 SEG13/PE1/OSC1 SEG14/PE2/STP/STPI/OSC2 SEG15/PE3/STPB/STPI SEG16 SEG17 SEG18 SEG19
PB3/RX/AN3
PB2/PTP/PTPI/TX/AN2
PB1/SCK/SCL/AN1
PB0/VREF/SDI/SDA/AN0
VDD
PA4/SDO/XT2
PA3/SCS/XT1
VSS
PA0/SDO/ICPDA/OCDSDA
PA2/SCS/ICPCK/OCDSCK
PLCD
VMAX

Rev. 1.40 10 December 15, 2016 Rev. 1.40 11 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F350/BS67V350
48 LQFP-A
PB4/PTPB/PTPI/AN4/KEY1
PB5/STCK/AN5/KEY2
PB6/PTCK/AN6/KEY3
PB7/INT1/AN7/KEY4
SEG0/PD0/KEY13
SEG1/PD1/KEY14
SEG2/PD2/KEY15
SEG3/PD3/KEY16
SEG4/PD4/KEY17
SEG5/PD5/KEY18
SEG6/PD6/KEY19
SEG7/PA7/KEY20
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
37383940
41
4243444546
47
48
V1
PA1/CTP0/V2
PA5/CTP0B/C1
PA6/CTCK0/INT0/C2
COM0
COM1
COM2
COM3
SEG27
SEG26
SEG25
SEG24
SEG8/PE0 SEG9/PE1/OSC1 SEG10/PE2/STP/STPI/OSC2 SEG11/PE3/STPB/STPI SEG12/PE4 SEG13/PE5/CTCK1 SEG14/PE6/CTP1 SEG15/PE7/CTP1B SEG20 SEG21 SEG22 SEG23
PB3/RX/AN3
PB2/PTP/PTPI/TX/AN2
PB1/SCK/SCL/AN1
PB0/VREF/SDI/SDA/AN0
VDD
PA4/SDO/XT2
PA3/SCS/XT1
VSS
PA0/SDO/ICPDA/OCDSDA
PA2/SCS/ICPCK/OCDSCK
PLCD
VMAX

Rev. 1.40 12 December 15, 2016 Rev. 1.40 13 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F350/BS67V350
64 LQFP-A
SEG5/PD5/KEY18
SEG6/PD6/KEY19
SEG7/PA7/KEY20
SEG3/PD3/KEY16
SEG4/PD4/KEY17
PC6/KEY11
PC7/KEY12
PC5/KEY10
PC4/KEY9
PC3/KEY8
PC2/KEY7
PC0/KEY5
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG24
PA1/CTP0/V2
V1
PA5/CTP0B/C1
COM0
SEG1/PD1/KEY14
SEG2/PD2/KEY15
SEG0/PD0/KEY13
PC1/KEY6
PA6/CTCK0/INT0/C2
COM1
COM2
COM3
1
2
3
4
5
6
7
8
9
10
11
12
13
2021 22232425262728
6061626364
29303132
5253545556575859
14
15
16
43
44
45
46
47
48
36
37
38
39
40
41
42
33
34
35
1718 19
495051
SEG12/PE4 SEG8/PE0 SEG9/PE1/OSC1 SEG10/PE2/STP/STPI/OSC2 SEG11/PE3/STPB/STPI
SEG13/PE5/CTCK1 SEG14/PE6/CTP1 SEG15/PE7/CTP1B
PB7/INT1/AN7/KEY4
PB6/PTCK/AN6/KEY3 PB5/STCK/AN5/KEY2
PB4/PTPB/PTPI/AN4/KEY1
SEG21 SEG22 SEG23 SEG20
SEG19
SEG18
SEG17
SEG16
PB2/PTP/PTPI/TX/AN2
PB3/RX/AN3
VDD
PA2/SCS/ICPCK/OCDSCK
PA0/SDO/ICPDA/OCDSDA
VSS
PA3/SCS/XT1
PA4/SDO/XT2
VMAX
PLCD
PB1/SCK/SCL/AN1
PB0/VREF/SDI/SDA/AN0

Rev. 1.40 12 December 15, 2016 Rev. 1.40 13 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F360/BS67V360
48 LQFP-A
PB4/PTPB/PTPI/AN4/KEY1
PB5/STCK/AN5/KEY2
PB6/PTCK/AN6/KEY3
PB7/INT1/AN7/KEY4
SEG8/PD0/KEY13
SEG9/PD1/KEY14
SEG10/PD2/KEY15
SEG11/PD3/KEY16
SEG12/PD4/KEY17
SEG13/PD5/KEY18
SEG14/PD6/KEY19
SEG15/PA7/KEY20
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
37383940
41
4243444546
47
48
V1
PA1/CTP0/V2
PA5/CTP0B/C1
PA6/CTCK0/INT0/C2
COM0
COM1
COM2
COM3
SEG35
SEG34
SEG33
SEG32
SEG16/PE0/KEY21 SEG17/PE1/KEY22 SEG18/PE2/STP/STPI/KEY23 SEG19/PE3/STPB/STPI/KEY24 SEG20/PE4/KEY25 SEG21/PE5/CTCK1/KEY26 SEG22/PE6/CTP1/KEY27 SEG23/PE7/CTP1B/KEY28 SEG28/PF0/OSC1 SEG29/PF1/OSC2 SEG30/PF2 SEG31/PF3
PB3/RX/AN3
PB2/PTP/PTPI/TX/AN2
PB1/SCK/SCL/AN1
PB0/VREF/SDI/SDA/AN0
VDD
PA4/SDO/XT2
PA3/SCS/XT1
VSS
PA0/SDO/ICPDA/OCDSDA
PA2/SCS/ICPCK/OCDSCK
PLCD
VMAX

Rev. 1.40 14 December 15, 2016 Rev. 1.40 15 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
PB2/PTP/PTPI/TX/AN2
BS67F360/BS67V360
64 LQFP-A
SEG20/PE4/KEY25
SEG13/PD5/KEY18
SEG14/PD6/KEY19
SEG15/PA7/KEY20
SEG16/PE0/KEY21 SEG17/PE1/KEY22 SEG18/PE2/STP/STPI/KEY23 SEG19/PE3/STPB/STPI/KEY24
SEG21/PE5/CTCK1/KEY26 SEG22/PE6/CTP1/KEY27 SEG23/PE7/CTP1B/KEY28
SEG11/PD3/KEY16
SEG12/PD4/KEY17
SEG6/PC6/KEY11
SEG7/PC7/KEY12
SEG5/PC5/KEY10
SEG4/PC4/KEY9
SEG3/PC3/KEY8
SEG2/PC2/KEY7
SEG0/PC0/KEY5
PB7/INT1/AN7/KEY4
PB6/PTCK/AN6/KEY3 PB5/STCK/AN5/KEY2
PB4/PTPB/PTPI/AN4/KEY1
PB3/RX/AN3
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG29/PF1/OSC2 SEG30/PF2 SEG31/PF3
SEG32
PA1/CTP0/V2
V1
VDD
PA2/SCS/ICPCK/OCDSCK
PA0/SDO/ICPDA/OCDSDA
VSS
PA3/SCS/XT1
PA4/SDO/XT2
VMAX
PLCD
PA5/CTP0B/C1
COM0
SEG27
SEG9/PD1/KEY14
SEG10/PD2/KEY15
SEG8/PD0/KEY13
PB1/SCK/SCL/AN1
PB0/VREF/SDI/SDA/AN0
SEG1/PC1/KEY6
PA6/CTCK0/INT0/C2
COM1
COM2
COM3
SEG26
SEG25
SEG24
SEG28/PF0/OSC1
1
2
3
4
5
6
7
8
9
10
11
12
13
2021 22232425262728
6061626364
29303132
5253545556575859
14
15
16
43
44
45
46
47
48
36
37
38
39
40
41
42
33
34
35
1718 19
495051

Rev. 1.40 14 December 15, 2016 Rev. 1.40 15 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F370/BS67V370
48 LQFP-A
PB4/PTPB/PTPI/AN4/KEY1
PB5/STCK/AN5/KEY2
PB6/PTCK/AN6/KEY3
PB7/INT1/AN7/KEY4
SEG8/PD0/KEY13
SEG9/PD1/KEY14
SEG10/PD2/KEY15
SEG11/PD3/KEY16
SEG12/PD4/KEY17
SEG13/PD5/KEY18
SEG14/PD6/KEY19
SEG15/PA7/KEY20
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
37383940
41
4243444546
47
48
V1
PA1/CTP0/V2
PA5/CTP0B/C1
PA6/CTCK0/INT0/C2
COM0
COM1
COM2
COM3
SEG35
SEG34
SEG33
SEG32
SEG16/PE0/KEY21 SEG17/PE1/KEY22 SEG18/PE2/STP/STPI/KEY23 SEG19/PE3/STPB/STPI/KEY24 SEG20/PE4/KEY25 SEG21/PE5/CTCK1/KEY26 SEG22/PE6/CTP1/KEY27 SEG23/PE7/CTP1B/KEY28 SEG28/PF0/OSC1 SEG29/PF1/OSC2 SEG30/PF2 SEG31/PF3
PB3/RX/AN3
PB2/PTP/PTPI/TX/AN2
PB1/SCK/SCL/AN1
PB0/VREF/SDI/SDA/AN0
VDD
PA4/SDO/XT2
PA3/SCS/XT1
VSS
PA0/SDO/ICPDA/OCDSDA
PA2/SCS/ICPCK/OCDSCK
PLCD
VMAX

Rev. 1.40 16 December 15, 2016 Rev. 1.40 17 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
PB2/PTP/PTPI/TX/AN2
BS67F370/BS67V370
64 LQFP-A
SEG20/PE4/KEY25
SEG13/PD5/KEY18
SEG14/PD6/KEY19
SEG15/PA7/KEY20
SEG16/PE0/KEY21 SEG17/PE1/KEY22 SEG18/PE2/STP/STPI/KEY23 SEG19/PE3/STPB/STPI/KEY24
SEG21/PE5/CTCK1/KEY26 SEG22/PE6/CTP1/KEY27 SEG23/PE7/CTP1B/KEY28
SEG11/PD3/KEY16
SEG12/PD4/KEY17
SEG6/PC6/KEY11
SEG7/PC7/KEY12
SEG5/PC5/KEY10
SEG4/PC4/KEY9
SEG3/PC3/KEY8
SEG2/PC2/KEY7
SEG0/PC0/KEY5
PB7/INT1/AN7/KEY4
PB6/PTCK/AN6/KEY3 PB5/STCK/AN5/KEY2
PB4/PTPB/PTPI/AN4/KEY1
PB3/RX/AN3
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG29/PF1/OSC2 SEG30/PF2 SEG31/PF3
SEG32
PA1/CTP0/V2
V1
VDD
PA2/SCS/ICPCK/OCDSCK
PA0/SDO/ICPDA/OCDSDA
VSS
PA3/SCS/XT1
PA4/SDO/XT2
VMAX
PLCD
PA5/CTP0B/C1
COM0
SEG27/PG3/KEY32
SEG9/PD1/KEY14
SEG10/PD2/KEY15
SEG8/PD0/KEY13
PB1/SCK/SCL/AN1
PB0/VREF/SDI/SDA/AN0
SEG1/PC1/KEY6
PA6/CTCK0/INT0/C2
COM1
COM2
COM3
SEG26/PG2/KEY31
SEG25/PG1/KEY30
SEG24/PG0/KEY29
SEG28/PF0/OSC1
1
2
3
4
5
6
7
8
9
10
11
12
13
2021 22232425262728
6061626364
29303132
5253545556575859
14
15
16
43
44
45
46
47
48
36
37
38
39
40
41
42
33
34
35
1718 19
495051

Rev. 1.40 16 December 15, 2016 Rev. 1.40 17 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
PB2/PTP/PTPI/TX/AN2
BS67F370/BS67V370
80 LQFP-A
SEG20/PE4/KEY25
SEG13/PD5/KEY18
SEG14/PD6/KEY19
SEG15/PA7/KEY20
SEG16/PE0/KEY21 SEG17/PE1/KEY22 SEG18/PE2/STP/STPI/KEY23 SEG19/PE3/STPB/STPI/KEY24
SEG21/PE5/CTCK1/KEY26 SEG22/PE6/CTP1/KEY27 SEG23/PE7/CTP1B/KEY28
SEG11/PD3/KEY16
SEG12/PD4/KEY17
SEG6/PC6/KEY11
SEG7/PC7/KEY12
SEG5/PC5/KEY10
SEG4/PC4/KEY9
SEG3/PC3/KEY8
SEG2/PC2/KEY7
SEG0/PC0/KEY5
PB7/INT1/AN7/KEY4
PB6/PTCK/AN6/KEY3
PB5/STCK/AN5/KEY2
PB4/PTPB/PTPI/AN4/KEY1
PB3/RX/AN3
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG29/PF1/OSC2 SEG30/PF2
SEG31/PF3
SEG32
PA1/CTP0/V2
V1
VDD
PA2/SCS/ICPCK/OCDSCK
PA0/SDO/ICPDAOCDSDA
VSS
PA3/SCS/XT1
PA4/SDO/XT2
VMAX
PLCD
PA5/CTP0B/C1
COM0
SEG27/PG3/KEY32
SEG9/PD1/KEY14
SEG10/PD2/KEY15
SEG8/PD0/KEY13
PB1/SCK/SCL/AN1
PB0/VREF/SDI/SDA/AN0
SEG1/PC1/KEY6
PA6/CTCK0/INT0/C2
COM1
COM2
COM3
SEG26/PG2/KEY31
SEG25/PG1/KEY30
SEG24/PG0/KEY29
SEG28/PF0/OSC1
47
46
45
44
43
42
41
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
2021 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 3738 39 40
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 6463 62 61
60
59
58
57
56
55
54
53
52
51
40
49
48
NC
NC
VSS1
VDD1
PG4/KEY33
PG5/KEY34 PG6/KEY35 PG7/KEY36
SEG40/PH0 SEG41/PH1 SEG42/PH2 SEG43/PH3 SEG44/PH4 SEG45/PH5 SEG46/PH6 SEG47/PH7
Note:1.Ifthepin-sharedpinfunctionshavemultipleoutputssimultaneously,thedesiredpin-shared
functionisdeterminedbythecorrespondingsoftwarecontrolbits.
2.TheOCDSDAandOCDSCKpinsaretheOCDSdedicatedpinsandonlyavailableforthe
BS67V3x0devicewhichistheOCDSEVchipfortheBS67F3x0device.

Rev. 1.40 18 December 15, 2016 Rev. 1.40 19 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Pin Descriptions
Withtheexceptionofthepowerpinsandsomerelevanttransformercontrolpins,allpinsonthese
devicescanbereferencedbytheirPortname,e.g.PA0,PA1etc,whichrefertothedigitalI/O
functionofthepins.HoweverthesePortpinsarealsosharedwithotherfunctionsuchastheAnalog
toDigitalConverter,TimerModulepinsetc.Thefunctionofeachpinislistedinthefollowingtable,
howeverthedetailsbehindhoweachpiniscongurediscontainedinothersectionsofthedatasheet.
AsthePinDescriptiontableshowsthesituationforthepackagewiththemostpins,notallpinsin
thetablewillbeavailableonsmallerpackagesizes.
BS67F340
Pad Name Function OPT I/T O/T Description
PA0/SDO/ICPDA/OCDSDA
PA0
PAWU
PAPU
PAS0
ST CMOS General purpose I/O. Register enabled pull-up
and wake-up.
SDO PAS0 — CMOS SPI data output
ICPDA — ST CMOS ICP Data/Address pin
OCDSDA — ST CMOS OCDS Data/Address pin, for EV chip only.
PA1/CTP0/V2
PA1
PAWU
PAPU
PAS0
ST CMOS General purpose I/O. Register enabled pull-up
and wake-up.
CTP0 PAS0 — CMOS CTM0 output
V2 PAS0 — AN LCD voltage pump
PA2/SCS/ICPCK/OCDSCK
PA2
PAWU
PAPU
PAS0
ST CMOS General purpose I/O. Register enabled pull-up
and wake-up.
SCS PAS0
IFS ST CMOS SPI slave select
ICPCK — ST CMOS ICP Clock pin
OCDSCK — ST — OCDS Clock pin, for EV chip only.
PA3/SCS/XT1
PA3
PAWU
PAPU
PAS0
ST CMOS General purpose I/O. Register enabled pull-up
and wake-up.
SCS PAS0
IFS ST CMOS SPI slave select
XT1 PAS0 LXT —LXT oscillator pin
PA4/SDO/XT2
PA4
PAWU
PAPU
PAS1
ST CMOS General purpose I/O. Register enabled pull-up
and wake-up.
SDO PAS1 — CMOS SPI data output
XT2 PAS1 — LXT LXT oscillator pin
PA5/CTP0B/C1
PA5
PAWU
PAPU
PAS1
ST CMOS General purpose I/O. Register enabled pull-up
and wake-up.
CTP0B PAS1 — CMOS CTM0 inverted output
C1 PAS1 — AN LCD voltage pump
PA6/CTCK0/INT0/C2
PA6
PAWU
PAPU
PAS1
ST CMOS General purpose I/O. Register enabled pull-up
and wake-up.
CTCK0 PAS1 ST — CTM0 clock input
INT0
PAS1
INTEG
INTC0
ST — External Interrupt 0
C2 PAS1 — AN LCD voltage pump

Rev. 1.40 18 December 15, 2016 Rev. 1.40 19 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Pad Name Function OPT I/T O/T Description
PA7/KEY12/SEG7
PA7
PAWU
PAPU
PAS1
ST CMOS General purpose I/O. Register enabled pull-up
and wake-up.
KEY12 PAS1 AN —Touch key input
SEG7 PAS1 — AN LCD segment output
PB0/SDI/SDA/VREF/AN0
PB0 PBPU
PBS0 ST CMOS General purpose I/O. Register enabled pull-up.
SDI PBS0 ST — SPI data input
SDA PBS0 ST NMOS I2C data line
VREF PBS0 — AN A/D Converter reference voltage output
AN0 PBS0 AN —A/D Converter analog input
PB1/SCK/SCL/AN1
PB1 PBPU
PBS0 ST CMOS General purpose I/O. Register enabled pull-up.
SCK PBS0 ST CMOS SPI serial clock
SCL PBS0 ST NMOS I2C clock line
AN1 PBS0 AN —A/D Converter analog input
PB2/PTPI/TX/PTP/AN2
PB2 PBPU
PBS0 ST CMOS General purpose I/O. Register enabled pull-up.
PTPI PBS0
IFS ST — PTM capture input
TX PBS0 — CMOS UART TX serial data output
PTP PBS0 — CMOS PTM output
AN2 PBS0 AN —A/D Converter analog input
PB3/RX/AN3
PB3 PBPU
PBS0 ST CMOS General purpose I/O. Register enabled pull-up.
RX PBS0 ST — UART RX serial data input
AN3 PBS0 AN —A/D Converter analog input
PB4/PTPI/PTPB/KEY1/
AN4
PB4 PBPU
PBS1 ST CMOS General purpose I/O. Register enabled pull-up.
PTPI PBS1
IFS ST — PTM capture input
PTPB PBS1 — CMOS PTM inverted output
KEY1 PBS1 AN — Touch key input
AN4 PBS1 AN —A/D Converter analog input
PB5/STCK/KEY2/AN5
PB5 PBPU
PBS1 ST CMOS General purpose I/O. Register enabled pull-up.
STCK PBS1 ST — STM clock input
KEY2 PBS1 AN — Touch key input
AN5 PBS1 AN —A/D Converter analog input
PB6/PTCK/KEY3/AN6
PB6 PBPU
PBS1 ST CMOS General purpose I/O. Register enabled pull-up.
PTCK PBS1 ST — PTM clock input
KEY3 PBS1 AN — Touch key input
AN6 PBS1 AN —A/D Converter analog input
PB7/INT1/KEY4/AN7
PB7 PBPU
PBS1 ST CMOS General purpose I/O. Register enabled pull-up.
INT1
PBS1
INTEG
INTC0
ST — External Interrupt 1
KEY4 PBS1 AN — Touch key input
AN7 PBS1 AN —A/D Converter analog input

Rev. 1.40 20 December 15, 2016 Rev. 1.40 21 December 15, 2016
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Pad Name Function OPT I/T O/T Description
PC0/KEY5/SEG0
PC0 PCPU
PCS0 ST CMOS General purpose I/O. Register enabled pull-up.
KEY5 PCS0 AN —Touch key input
SEG0 PCS0 — AN LCD segment output
PC1/KEY6/SEG1
PC1 PCPU
PCS0 ST CMOS General purpose I/O. Register enabled pull-up.
KEY6 PCS0 AN — Touch key input
SEG1 PCS0 — AN LCD segment output
PC2/KEY7/SEG2
PC2 PCPU
PCS0 ST CMOS General purpose I/O. Register enabled pull-up.
KEY7 PCS0 AN —Touch key input
SEG2 PCS0 — AN LCD segment output
PC3/KEY8/SEG3
PC3 PCPU
PCS0 ST CMOS General purpose I/O. Register enabled pull-up.
KEY8 PCS0 AN —Touch key input
SEG3 PCS0 — AN LCD segment output
PD4/KEY9/SEG4
PD4 PDPU
PDS1 ST CMOS General purpose I/O. Register enabled pull-up.
KEY9 PDS1 AN — Touch key input
SEG4 PDS1 — AN LCD segment output
PD5/KEY10/SEG5
PD5 PDPU
PDS1 ST CMOS General purpose I/O. Register enabled pull-up.
KEY10 PDS1 AN —Touch key input
SEG5 PDS1 — AN LCD segment output
PD6/KEY11/SEG6
PD6 PDPU
PDS1 ST CMOS General purpose I/O. Register enabled pull-up.
KEY11 PDS1 AN —Touch key input
SEG6 PDS1 — AN LCD segment output
PE0/SEG12 PE0 PEPU
PES0 ST CMOS General purpose I/O. Register enabled pull-up.
SEG12 PES0 — AN LCD segment output
PE1/OSC1/SEG13
PE1 PEPU
PES0 ST CMOS General purpose I/O. Register enabled pull-up.
OSC1 PES0 HXT —HXT oscillator pin
SEG13 PES0 — AN LCD segment output
PE2/STPI/STP/OSC2/
SEG14
PE2 PEPU
PES0 ST CMOS General purpose I/O. Register enabled pull-up.
STPI PES0
IFS ST — STM capture input
STP PES0 — CMOS STM output
OSC2 PES0 — HXT HXT oscillator pin
SEG14 PES0 — AN LCD segment output
PE3/STPI/STPB/SEG15
PE3 PEPU
PES0 ST CMOS General purpose I/O. Register enabled pull-up.
STPI PES0
IFS ST — STM capture input
STPB PES0 — CMOS STM inverted output
SEG15 PES0 — AN LCD segment output