Typical application with ADC

116 Pages·2012·0.99 MB·English

STM8S903K3 STM8S903F3
16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640
bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C
-
Switch-offperipheralclocksindividually
•
Permanentlyactive,lowconsumptionpower-on
andpower-downreset
Interruptmanagement
•
Nestedinterruptcontrollerwith32interrupts
•
LQFP327x7UFQFPN325x5 SDIP32400mils Upto28externalinterruptson7vectors
Timers
•
Advancedcontroltimer:16-bit,4CAPCOM
channels,3complementaryoutputs,dead-time
insertionandflexiblesynchronization
•
16-bitgeneralpurposetimer,with3CAPCOM
channels(IC,OCorPWM)
TSSOP20 UFQFPN203x3 SO20W300mils •
8-bitbasictimerwith8-bitprescaler
•
Autowakeuptimer
•
Windowandindependentwatchdogtimers
Features
Core Communicationsinterfaces
• •
16MHzadvancedSTM8corewithHarvard UARTwithclockoutputforsynchronous
architectureand3-stagepipeline operation,Smartcard,IrDA,LINmastermode
• •
Extendedinstructionset SPIinterfaceupto8Mbit/s
•
2
I Cinterfaceupto400Kbit/s
Memories
•
Programmemory:8KbytesFlash;dataretention Analogtodigitalconverter(ADC)
20yearsat55°Cafter10kcycles •
10-bit,±1LSBADCwithupto7muxedchannels
•
Datamemory:640bytestruedataEEPROM; +1internalchannel,scanmodeandanalog
endurance300kcycles watchdog
• •
RAM:1Kbytes Internalreferencevoltagemeasurement
Clock,resetandsupplymanagement I/Os
• •
2.95to5.5Voperatingvoltage Upto28I/Osona32-pinpackageincluding21
• highsinkoutputs
Flexibleclockcontrol,4masterclocksources:
•
- HighlyrobustI/Odesign,immuneagainstcurrent
Lowpowercrystalresonatoroscillator
- injection
Externalclockinput
-
Internal,user-trimmable16MHzRC Developmentsupport
•
-
Embeddedsinglewireinterfacemodule(SWIM)
Internallowpower128kHzRC
forfaston-chipprogrammingandnonintrusive
• debugging
Clocksecuritysystemwithclockmonitor
•
Powermanagement: UniqueID:96-bitkeyincludinglotnumber
-
Lowpowermodes(wait,active-halt,halt)
June2012 DocID15590Rev8 1/116
www.st.com
Contents STM8S903K3STM8S903F3
Contents
1 Introduction ..............................................................................................................8
2 Description ...............................................................................................................9
3 Block diagram ........................................................................................................10
4 Product overview ...................................................................................................11
4.1 Central processing unit STM8 .....................................................................................11
4.2Singlewireinterfacemodule(SWIM)anddebugmodule(DM) ..................................11
4.3 Interrupt controller .......................................................................................................12
4.4FlashprogramanddataEEPROMmemory ................................................................12
4.5 Clock controller ............................................................................................................13
4.6 Power management ....................................................................................................14
4.7 Watchdog timers ..........................................................................................................14
4.8 Auto wakeup counter ...................................................................................................15
4.9 Beeper ........................................................................................................................15
4.10TIM1-16-bitadvancedcontroltimer .........................................................................15
4.11 TIM5 - 16-bit general purpose timer ..........................................................................16
4.12TIM6-8-bitbasictimer ..............................................................................................16
4.13Analog-to-digitalconverter(ADC1) ............................................................................16
4.14 Communication interfaces .........................................................................................17
4.14.1 UART1 ...............................................................................................17
4.14.2 SPI .....................................................................................................18
4.14.3 I²C ......................................................................................................18
5 Pinout and pin description ...................................................................................19
5.1 STM8S903F3 TSSOP20/SO20 pinout ........................................................................20
5.2 STM8S903F3UFQFPN20pinout ................................................................................21
5.3 TSSOP/SO/UFQFPN20 pin description ......................................................................22
5.4STM8S903K3UFQFPN32/LQFP32/SDIP32pinout ....................................................23
5.5UFQFPN/LQFP/SDIP32pindescription ......................................................................24
5.6Alternatefunctionremapping .......................................................................................26
6 Memory and register map .....................................................................................27
6.1Memorymap ................................................................................................................27
6.2 Register map ...............................................................................................................28
6.2.1 I/O port hardware register map ............................................................28
6.2.2 General hardware register map ...........................................................29
6.2.3 CPU/SWIM/debugmodule/interrupt controller registers .....................38
7 Interrupt vector mapping ......................................................................................41
8 Option bytes ...........................................................................................................43
8.1STM8S903K3/F3alternatefunctionremappingbits ....................................................45
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9 Unique ID ................................................................................................................49
10 Electrical characteristics ....................................................................................50
10.1Parameterconditions .................................................................................................50
10.1.1 Minimum and maximum values .........................................................50
10.1.2Typicalvalues .....................................................................................50
10.1.3 Typical curves ....................................................................................50
10.1.4 Loading capacitor ...............................................................................50
10.1.5Pininputvoltage .................................................................................50
10.2 Absolute maximum ratings ........................................................................................51
10.3Operatingconditions ..................................................................................................53
10.3.1 VCAP external capacitor ....................................................................54
10.3.2 Supply current characteristics ............................................................55
10.3.3 External clock sources and timing characteristics .............................65
10.3.4Internalclocksourcesandtimingcharacteristics ...............................67
10.3.5 Memory characteristics ......................................................................69
10.3.6 I/O port pin characteristics .................................................................70
10.3.7 Reset pin characteristics ....................................................................78
10.3.8 SPI serial peripheral interface ............................................................81
2
10.3.9 I C interface characteristics ...............................................................84
10.3.1010-bitADCcharacteristics ................................................................85
10.3.11 EMC characteristics .........................................................................89
11 Package information ............................................................................................92
11.132-pinLQFPpackagemechanicaldata .....................................................................92
11.2 32-lead UFQFPN package mechanical data .............................................................94
11.3 20-lead UFQFPN package mechanical data .............................................................95
11.4 UFQFPN recommended footprint ..............................................................................97
11.5SDIP32packagemechanicaldata .............................................................................98
11.620-pinTSSOPpackagemechanicaldata ................................................................100
11.720-pinSOpackagemechanicaldata .......................................................................101
11.8Thermalcharacteristics ............................................................................................102
11.8.1 Reference document ........................................................................103
11.8.2Selectingtheproducttemperaturerange .........................................103
12 Ordering information .........................................................................................104
12.1STM8S903K3/F3FASTROMmicrocontrolleroptionlist ..........................................104
13 STM8 development tools ..................................................................................110
13.1Emulationandin-circuitdebuggingtools .................................................................110
13.2 Software tools ..........................................................................................................110
13.2.1 STM8 toolset ....................................................................................111
13.2.2 C and assembly toolchains ..............................................................111
13.3 Programming tools ..................................................................................................111
14 Revision history .................................................................................................112
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Listoftables STM8S903K3STM8S903F3
List of tables
Table 1. STM8S903K3/F3access line features .......................................................................................9
Table2.PeripheralclockgatingbitassignmentsinCLK_PCKENR1/2registers ..................................14
Table 3. TIM timer features ....................................................................................................................16
Table 4. Legend/abbreviations for pinout tables ...................................................................................19
Table 5. TSSOP20/SO20/UFQFPN20pin description ...........................................................................24
Table6.UFQFPN32/LQFP32/SDIP32pindescription ...........................................................................24
Table 7. I/O port hardware register map ................................................................................................28
Table8.Generalhardwareregistermap ................................................................................................43
Table 9. CPU/SWIM/debug module/interrupt controller registers .........................................................54
Table 10. Interrupt mapping ...................................................................................................................41
Table11.Optionbytes .........................................................................................................................112
Table12.Optionbytedescription ...........................................................................................................43
Table13.STM8S903K3alternatefunctionremappingbits[7:2]for32-pinpackages ...........................45
Table14.STM8S903F3alternatefunctionremappingbits[7:2]for20-pinpackages ...........................46
Table15.STM8S903K3alternatefunctionremappingbits[1:0]for32-pinpackages .........................102
Table16.STM8S903F3alternatefunctionremappingbits[1:0]for20-pinpackages ...........................48
Table17.UniqueIDregisters(96bits) .................................................................................................112
Table 18. Voltage characteristics ...........................................................................................................51
Table 19. Current characteristics ...........................................................................................................51
Table 20. Thermal characteristics ..........................................................................................................52
Table 21. General operating conditions .................................................................................................53
Table22.Operatingconditionsatpower-up/power-down ......................................................................54
Table23.TotalcurrentconsumptionwithcodeexecutioninrunmodeatV =5V .............................55
DD
Table24.TotalcurrentconsumptionwithcodeexecutioninrunmodeatV =3.3V ..........................56
DD
Table25.TotalcurrentconsumptioninwaitmodeatV =5V ............................................................57
DD
Table26.TotalcurrentconsumptioninwaitmodeatV =3.3V .........................................................57
DD
Table27.TotalcurrentconsumptioninactivehaltmodeatV =5V ..................................................58
DD
Table28.TotalcurrentconsumptioninactivehaltmodeatV =3.3V ...............................................59
DD
Table29.TotalcurrentconsumptioninhaltmodeatV =5V .............................................................60
DD
Table30.TotalcurrentconsumptioninhaltmodeatV =3.3V ..........................................................60
DD
Table 31. Wakeup times .........................................................................................................................60
Table32.Totalcurrentconsumptionandtiminginforcedresetstate ....................................................61
Table 33. Peripheral current consumption .............................................................................................62
Table34.HSEuserexternalclockcharacteristics .................................................................................65
Table35.HSEoscillatorcharacteristics .................................................................................................65
Table 36. HSI oscillator characteristics ..................................................................................................67
Table37.LSIoscillatorcharacteristics ...................................................................................................68
Table38.RAMandhardwareregisters ..................................................................................................69
Table39.Flashprogrammemory/dataEEPROMmemory ....................................................................69
Table 40. I/O static characteristics .........................................................................................................70
Table 41. Output driving current (standard ports) ..................................................................................72
Table42.Outputdrivingcurrent(trueopendrainports) ........................................................................73
Table 43. Output driving current (high sink ports) ..................................................................................73
Table 44. NRSTpin characteristics ........................................................................................................78
Table45.SPIcharacteristics ..................................................................................................................81
2
Table 46. I C characteristics ..................................................................................................................84
Table 47. ADC characteristics ................................................................................................................85
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STM8S903K3STM8S903F3 Listoftables
Table48.ADCaccuracywithR <10kΩ,V =5V .........................................................................86
AIN DD
Table49.ADCaccuracywithR <10kΩR ,V =3.3V ..............................................................87
AIN AIN DD
Table50.EMSdata ................................................................................................................................89
Table 51. EMI data .................................................................................................................................90
Table 52. ESD absolute maximum ratings .............................................................................................91
Table 53. Electrical sensitivities .............................................................................................................91
Table 54. 32-pin low profile quad flat package mechanical data .........................................................102
Table55.32-lead,ultrathin,finepitchquadflatno-leadpackagemechanicaldata .............................94
Table56.20-lead,ultrathin,finepitchquadflatno-leadpackage(3x3)packagemechanicaldata ....96
Table 57. 32-lead shrink plastic DIP (400 ml) package mechanical data ..............................................99
Table58.20-pin,4.40mmbody,0.65mmpitchmechanicaldata .......................................................101
Table59.20-lead,plasticsmalloutline(300mils)mechanicaldata ....................................................101
Table 60. Thermal characteristics ........................................................................................................102
Table 61. Document revision history ....................................................................................................112
DocID15590Rev8 5/116
Listoffigures STM8S903K3STM8S903F3
List of figures
Figure 1. Block diagram .........................................................................................................................10
Figure 2. Flash memory organization ....................................................................................................13
Figure 3. STM8S903F3 TSSOP20/SO20 pinout ...................................................................................23
Figure 4. STM8S903F3 UFQFPN20 pinout ...........................................................................................23
Figure 5. STM8S903K3 UFQFPN32/LQFP32 pinout ............................................................................23
Figure 6. STM8S903K3 SDIP32 pinout .................................................................................................24
Figure 7. Memory map ...........................................................................................................................27
Figure8.Pinloading conditions .............................................................................................................50
Figure 9. Pin input voltage .....................................................................................................................51
Figure 10. f versus V ..............................................................................................................54
CPUmax DD
Figure 11. External capacitor C .......................................................................................................55
EXT
Figure12.TypI vs.V HSEuserexternalclock,f =16MHz .............................................62
DD(RUN) DD CPU
Figure13.TypI vs.f HSEuserexternalclock,V =5V ....................................................63
DD(RUN) CPU DD
Figure14.TypI vs.V HSIRCosc,f =16MHz .................................................................63
DD(RUN) DD CPU
Figure15.TypI vs.V HSEuserexternalclock,f =16MHz ..............................................64
DD(WFI) DD CPU
Figure16.TypI vs.f HSEuserexternalclock,V =5V .....................................................64
DD(WFI) CPU DD
Figure17.TypI vs.V HSIRCosc,f =16MHz .................................................................64
DD(WFI) DD CPU
Figure18.HSEexternalclocksource .....................................................................................................65
Figure19.HSEoscillatorcircuitdiagram ...............................................................................................66
Figure20. Typical HSIfrequencyvariationvs V @ 4 temperatures ..................................................68
DD
Figure21.TypicalLSIfrequencyvariationvsV @4temperatures ...................................................68
DD
Figure22.TypicalV andV vsV @4temperatures ......................................................................71
IL IH DD
Figure23.Typicalpull-upresistancevsV @4temperatures ............................................................72
DD
Figure24.Typicalpull-upcurrentvsV @4temperatures .................................................................72
DD
Figure25.Typ.V @V =5V(standardports) ................................................................................74
OL DD
Figure26.Typ.V @V =3.3V(standardports) .............................................................................74
OL DD
Figure27.Typ.V @V =5V(trueopendrainports) ......................................................................75
OL DD
Figure28.Typ.V @V =3.3V(trueopendrainports) ...................................................................75
OL DD
Figure29.Typ.V @V =5V(highsinkports) ................................................................................76
OL DD
Figure30.Typ.V @V =3.3V(highsinkports) .............................................................................76
OL DD
Figure31.Typ.V -V @V =5V(standardports) .......................................................................77
DD OH DD
Figure32.Typ.V -V @V =3.3V(standardports) ...................................................................77
DD OH DD
Figure33.Typ.V -V @V =5V(highsinkports) .......................................................................78
DD OH DD
Figure34.Typ.V -V @V =3.3V(highsinkports) ....................................................................78
DD OH DD
Figure35.TypicalNRSTV andV vsV @4temperatures ...........................................................79
IL IH DD
Figure36.TypicalNRSTpull-upresistancevsV @4temperatures .................................................80
DD
Figure37.TypicalNRSTpull-upcurrentvsV @4temperatures ......................................................80
DD
Figure38.Recommendedresetpinprotection ......................................................................................81
Figure39.SPItimingdiagram-slavemodeandCPHA=0 ..................................................................83
Figure40.SPItimingdiagram-slavemodeandCPHA=1 ..................................................................83
(1)
Figure41.SPItimingdiagram-mastermode ...................................................................................84
2
Figure 42. Typical application with I C bus and timing diagram ............................................................85
Figure43.ADCaccuracycharacteristics ...............................................................................................88
Figure 44. Typical application with ADC ................................................................................................88
Figure45.32-pinlowprofilequadflatpackage(7x7) ..........................................................................92
Figure46.32-lead,ultrathin,finepitchquadflatno-leadpackage(5x5) ............................................94
Figure47.20-lead,ultrathin,finepitchquadflatno-leadpackageoutline(3x3) ................................95
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STM8S903K3STM8S903F3 Listoffigures
Figure 48. Recommended footprint for on-board emulation ..................................................................97
Figure49.Recommendedfootprintwithouton-boardemulation ...........................................................98
Figure50.32-leadshrinkplasticDIP(400 ml)package ........................................................................98
Figure51.20-pin,4.40mmbody,0.65mmpitch .................................................................................101
Figure52.20-lead,plasticsmalloutline(300mils)package ...............................................................101
Figure53.STM8S903K3/F3orderinginformationscheme ..................................................................104
DocID15590Rev8 7/116
Introduction STM8S903K3STM8S903F3
1 Introduction
Thisdatasheetcontainsthedescriptionofthedevicefeatures,pinout,electricalcharacteristics,
mechanicaldataandorderinginformation.
•
ForcompleteinformationontheSTM8Smicrocontrollermemory,registersandperipherals,
pleaserefertotheSTM8Smicrocontrollerfamilyreferencemanual(RM0016).
•
Forinformationonprogramming,erasingandprotectionoftheinternalFlashmemory
pleaserefertotheSTM8SFlashprogrammingmanual(PM0051).
•
ForinformationonthedebugandSWIM(singlewireinterfacemodule)refertotheSTM8
SWIMcommunicationprotocolanddebugmoduleusermanual(UM0470).
•
ForinformationontheSTM8core,pleaserefertotheSTM8CPUprogrammingmanual
(PM0044).
8/116 DocID15590Rev8
STM8S903K3STM8S903F3 Description
2 Description
TheSTM8S903K3andSTM8S903F38-bitmicrocontrollersoffer8KbytesFlashprogram
memory,plusintegratedtruedataEEPROM.TheSTM8Smicrocontrollerfamilyreference
manual(RM0016)referstodevicesinthisfamilyaslow-density.Theyprovidethefollowing
benefits:performance,robustness,andreducedsystemcost.
Deviceperformanceandrobustnessareensuredbyadvancedcoreandperipheralsmade
inastate-of-thearttechnology,a16MHzclockfrequency,robustI/Os,independentwatchdogs
withseparateclocksource,andaclocksecuritysystem.
ThesystemcostisreducedthankstoanintegratedtruedataEEPROMforupto300
kwrite/erasecyclesandahighsystemintegrationlevelwithinternalclockoscillators,watchdog
andbrown-outreset.
Fulldocumentationisofferedaswellasawidechoiceofdevelopmenttools.
Table1:STM8S903K3/F3accesslinefeatures
Device STM8S903K3 STM8S903F3
Pincount 32 20
(1) (2)
Max.numberofGPIOs 28 16
(I/Os)
Ext.interruptpins 28 16
TimerCAPCOM 7
channels
Timercomplementary 3 2
outputs
A/Dconverterchannels 7 5
HighsinkI/Os 21 12
LowdensityFlash 8K
programmemory(bytes)
(3)
DataEEPROM(bytes) 640
RAM(bytes) 1K
2
Peripheralset Multipurposetimer(TIM1),SPI,I C,UARTwindowWDG,
independentWDG,ADC,PWMtimer(TIM5),8-bittimer(TIM6)
(1)
Including21highsinkoutputs
(2)
Including12highsinkoutputs
(3)
Noread-while-write(RWW)capability
DocID15590Rev8 9/116
Blockdiagram STM8S903K3STM8S903F3
3 Block diagram
Figure1:Blockdiagram
Resetblock XTAL1-16MHz
Clockcontroller
Reset Reset
RCint.16MHz
Detector
POR BOR RCint.128kHz
Clocktoperipheralsandcore
WindowWDG
STM8core
IndependentWDG
Singlewire Debug/SWIM 8Kbytes
debuginterf.
program
Flash
640bytes
dataEEPROM
s
u
b
400Kbit/s I2C ata 1Kbytes
d RAM
d
n
a
s
8Mbit/s SPI es
ddr Upto
A
4CAPCOM
16-bitadvancedcontrol
LINmaster UART1 channels
timer(TIM1)
SPIemul. +3complementary
outputs
16-bitgeneralpurpose
Upto
Timer(TIM5)
3CAPCOM
channels
8-bitbasictimer
Upto7 ADC1 (TIM6)
channels
1/2/4kHz Beeper AWUtimer
beep
10/116 DocID15590Rev8