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The STM8S003F3/K3 value line 8-bit microcontrollers offer 8 Kbytes of Flash program memory, plus integrated true data EEPROM. They are referred to as low-density devices in the STM8S microcontroller family reference manual (RM0016).
The STM8S003F3/K3 value line devices provide the following benefits: performance, robustness and reduced system cost.
Device performance and robustness are ensured by true data EEPROM supporting up to 100000 write/erase cycles, advanced core and peripherals made in a state-of-the-art technology at 16 MHz clock frequency, robust I/Os, independent watchdogs with separate clock source, and a clock security system.
The system cost is reduced thanks to a high system integration level with internal clock oscillators, watchdog, and brown-out reset.
Full documentation is offered as well as a wide choice of development tools.Key Features
- Core
- 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline
- Extended instruction set
- Memories
- Program memory: 8 Kbyte Flash memory; data retention 20 years at 55 °C after 100 cycles
- RAM: 1 Kbyte
- Data memory: 128 bytes true data EEPROM; endurance up to 100 k write/erase cycles
- Clock, reset and supply management
- 2.95 V to 5.5 V operating voltage
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Flexible clock control, 4 master clock sources
- Low-power crystal resonator oscillator
- External clock input
- Internal, user-trimmable 16 MHz RC
- Internal low-power 128 kHz RC
- Clock security system with clock monitor
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Power management
- Low-power modes (wait, active-halt, halt)
- Switch-off peripheral clocks individually
- Permanently active, low-consumption power-on and power-down reset
- Interrupt management
- Nested interrupt controller with 32 interrupts
- Up to 27 external interrupts on 6 vectors
- Timers
- Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
- 16-bit general purpose timer, with 3 CAPCOM channels (IC, OC or PWM)
- 8-bit basic timer with 8-bit prescaler
- Auto wakeup timer
- Window and independent watchdog timers
- Communications interfaces
- UART with clock output for synchronous operation, SmartCard, IrDA, LIN master mode
- SPI interface up to 8 Mbit/s
- I2C interface up to 400 Kbit/s
- Analog to digital converter (ADC)
- 10-bit ADC, ± 1 LSB ADC with up to 5 multiplexed channels, scan mode and analog watchdog
- I/Os
- Up to 28 I/Os on a 32-pin package including 21 high-sink outputs
- Highly robust I/O design, immune against current injection
- Development support
- Embedded single-wire interface module (SWIM) for fast on-chip programming and non-intrusive debugging
- Core
Sample & Buy
| Part Number | Package | Packing Type | Temperature (°C) | Marketing Status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | More info | Order from Distributors | Order from ST | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| STM8S003F3P6 | TSSOP 20 | Tube | -40 | 85 |
Active
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0.2428 | 10000 | EAR99 | CHINA | Check Availability | Get sample | |
| STM8S003F3P6TR | TSSOP 20 | Tape And Reel | -40 | 85 |
Active
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0.2428 | 10000 | EAR99 | CHINA | Check Availability | Buy now | |
| STM8S003F3U6TR | UFQFPN 20 3x3x0.6 | Tape And Reel | -40 | 85 |
Active
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0.2428 | 10000 | EAR99 | PHILIPPINES | Check Availability | Buy now | |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
Featured Videos
We asked Christophe the following questions: - How is ST engaged in the 8-bit MCU market ? - What benefits does the STM8 bring? - What applications are suitable for STM8 (no change) - What kind of ecosystem does STM8 have?
8-bit microcontrollers for industrial and mass-market applications
Here is an opportunity to get to learn the basics of our STM8S value line !
Development Tools
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Picture Part number Manufacturer Description AD/Stice_Connect ST Connection Adapter to use with STICE-SYS00x emulation systems AS/Stice_Connect ST Adapter Socket for application board - to use with STICE-SYS00x emulation systems CF/Stice_Connect ST Connexion flex to use with STICE-SYS00x emulation systems CYCLONE P&E Microcomputer Systems Automated, Stand-Alone Production Programmer, Debug & Test. CYCLONE FX P&E Microcomputer Systems Automated, Stand-Alone Production Programmer, Debug & Test. FlashPro Elprotronic Flash programmer for STM8 and ARM based MCUs. GangPro Elprotronic Gang programmer for STM8 and ARM based MCUs. 
ST-LINK ST In-circuit debugger and programmer for STM8 and STM32 MCUs; with IAR EWARM and Keil RVMDK and ST toolset 
ST-LINK/V2 ST ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32 STICE ST Full-featured emulator offers flexible, modular debugging and programming solution 
STLINK-V3SET ST STLINK-V3 modular in-circuit debugger and programmer for STM32/STM8 Part NumberConnection Adapter to use with STICE-SYS00x emulation systems
Adapter Socket for application board - to use with STICE-SYS00x emulation systems
Connexion flex to use with STICE-SYS00x emulation systems
Automated, Stand-Alone Production Programmer, Debug & Test.
Automated, Stand-Alone Production Programmer, Debug & Test.
Flash programmer for STM8 and ARM based MCUs.
Gang programmer for STM8 and ARM based MCUs.
In-circuit debugger and programmer for STM8 and STM32 MCUs; with IAR EWARM and Keil RVMDK and ST toolset
ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32
Full-featured emulator offers flexible, modular debugging and programming solution
STLINK-V3 modular in-circuit debugger and programmer for STM32/STM8
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Picture Part number Manufacturer Description CXSTM8 Cosmic Software C Compiler and associated tools for the STM8 family FLASHER-STM8 ST STM8 Flash loader demonstrator (UM0462) IAR Embedded Workbench for STM8 IAR Systems Integrated Development Environment. RIDE-STM8 Raisonance Raisonance branded integrated development environment for STM8 MCUs STM-STUDIO-STM8 ST STM Studio run-time variables monitoring and visualization tool for STM8 microcontrollers 
STM8CubeMX ST STM8Cube configuration and report tool STVD-STM8 ST ST Visual develop IDE for developing ST7 and STM8 applications STVP-LIB-STM8 ST STVP programming toolkit: C++ source files for creating PC programming interface STVP-STM8 ST ST Visual Programmer STM8 winIDEA-STM8 iSYSTEM iSYSTEM's complete software development and test solution for the STM8 MCUs Part NumberC Compiler and associated tools for the STM8 family
STM8 Flash loader demonstrator (UM0462)
Integrated Development Environment.
Raisonance branded integrated development environment for STM8 MCUs
STM Studio run-time variables monitoring and visualization tool for STM8 microcontrollers
STM8Cube configuration and report tool
ST Visual develop IDE for developing ST7 and STM8 applications
STVP programming toolkit: C++ source files for creating PC programming interface
ST Visual Programmer STM8
iSYSTEM's complete software development and test solution for the STM8 MCUs
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Embedded Software
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Picture Part number Manufacturer Description STM8-SafeCLASSB ST Functional safety package to achieve IEC 60730 Class B certification with the STM8 STM8S-TOUCH-LIB -- STM8S touch-sensing library STSW-STM8004 ST STM8 optimized I2C examples (AN3281) STSW-STM8006 ST Example of implementation of user bootloader (AN2659) STSW-STM8020 ST STM8S and STM8A BLDC and ACIM motor control firmware library V1.0 (UM0708) STSW-STM8025 ST STM8S DALI library example (AN3298) STSW-STM8026 ST STM8S optimized examples package STSW-STM8027 ST STM8S Smartcard application note firmware (AN2646) STSW-STM8045 ST Audio software codec for the STM8S STSW-STM8048 ST Precision improvement techniques for the A/D converter of the STM8 microcontroller (AN2719) STSW-STM8049 ST Basic in-application programming example using the STM8 I2C and SPI peripherals (AN2737) STSW-STM8050 ST Real-time keeping on STM8S devices and usage of auto-wakeup unit (AWU) and beeper (AN2780) STSW-STM8051 ST UART emulation software in STM8S and STM8A microcontrollers (AN2781) STSW-STM8052 ST STM8S high speed internal oscillator calibration (AN2822) STSW-STM8053 ST STM8S family power management (AN2857) STSW-STM8062 ST STM8 in-application programming (IAP) using a customized bootloader (AN2659) STSW-STM8064 ST Setup screensaver STM8 1024x768 STSW-STM8065 ST Setup screensaver STM8 1280x1024 STSW-STM8069 ST STM8S/A Standard peripheral library STSW-STM8077 ST STM8AF and STM8S HSI oscillator calibration using LIN automatic resynchronization (AN3258) Part NumberFunctional safety package to achieve IEC 60730 Class B certification with the STM8
STM8S touch-sensing library
STM8 optimized I2C examples (AN3281)
Example of implementation of user bootloader (AN2659)
STM8S and STM8A BLDC and ACIM motor control firmware library V1.0 (UM0708)
STM8S DALI library example (AN3298)
STM8S optimized examples package
STM8S Smartcard application note firmware (AN2646)
Audio software codec for the STM8S
Precision improvement techniques for the A/D converter of the STM8 microcontroller (AN2719)
Basic in-application programming example using the STM8 I2C and SPI peripherals (AN2737)
Real-time keeping on STM8S devices and usage of auto-wakeup unit (AWU) and beeper (AN2780)
UART emulation software in STM8S and STM8A microcontrollers (AN2781)
STM8S high speed internal oscillator calibration (AN2822)
STM8S family power management (AN2857)
STM8 in-application programming (IAP) using a customized bootloader (AN2659)
Setup screensaver STM8 1024x768
Setup screensaver STM8 1280x1024
STM8S/A Standard peripheral library
STM8AF and STM8S HSI oscillator calibration using LIN automatic resynchronization (AN3258)
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Evaluation Tools
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Picture Part number Manufacturer Description 
NUCLEO-8S208RB ST STM8 Nucleo-64 development board with STM8S208RB MCU, supports Arduino and ST morpho connectivity 
STM8-SO8-DISCO ST Discovery kit with STM8L001J3,STM8L050J3,STM8S001J3 MCUs 
STM8/128-EVAL ST Evaluation board with STM8S208MB MCU 
STM8/128-MCKIT ST Motor control starter kit for STM8S (128KB flash) microcontrollers 
STM8SVLDISCOVERY ST Discovery kit with STM8S003K3 MCU Part NumberSTM8 Nucleo-64 development board with STM8S208RB MCU, supports Arduino and ST morpho connectivity
Discovery kit with STM8L001J3,STM8L050J3,STM8S001J3 MCUs
Evaluation board with STM8S208MB MCU
Motor control starter kit for STM8S (128KB flash) microcontrollers
Discovery kit with STM8S003K3 MCU
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Support and Applications
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Picture Part number Manufacturer Description ST Trainings MASTERS STM32, STM8 and ST Ecosystem trainings Part NumberSTM32, STM8 and ST Ecosystem trainings
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STM8S003F3P6 |
Active
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TSSOP 20 | Industrial | Ecopack2 |
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| STM8S003F3P6TR |
Active
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TSSOP 20 | Industrial | Ecopack2 |
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| STM8S003F3U6TR |
Active
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UFQFPN 20 3x3x0.6 | Industrial | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.