Mainstream Access line 8-bit MCU with 8 Kbytes Flash, 16 MHz CPU, integrated EEPROM

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  • The STM8S103F2/x3 access line 8-bit microcontrollers offer 8 Kbyte Flash program memory, plus integrated true data EEPROM. The STM8S microcontroller family reference manual (RM0016) refers to devices in this family as low-density. They provide the following benefits: performance, robustness, and reduced system cost.

    Device performance and robustness are ensured by advanced core and peripherals made in a state-of-the art technology, a 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 an integrated true data EEPROM for up to 300 k write/erase cycles and 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; data retention 20 years at 55 °C after 10 kcycle
      • Data memory: 640 byte true data EEPROM; endurance 300 kcycle
      • RAM: 1 Kbyte
    • Clock, reset and supply management
      • 2.95 to 5.5 V operating voltage
      • 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
      • 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 wake-up timer
      • Window watchdog and independent watchdog timers
    • Communication 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, ±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
    • Unique ID
      • 96-bit unique key for each device

Circuit Diagram

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STM8S103F3P6

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STM8S103F3M3

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STM8S103F3U3TR

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STM8S103F3M6

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STM8S103F3M6TR

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STM8S103F3P6TR

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STM8S103F3U6TR

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STM8S103F3P3

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(*) 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

Development Tools

    • Part Number

      Connection 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.

      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

    • Part Number

      C 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

Embedded Software

    • Part Number

      Functional 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)

Evaluation Tools

    • Part Number

      STM8 Nucleo-64 development board with STM8S208RB MCU, supports Arduino and ST morpho connectivity

      Evaluation board with STM8S208MB MCU

      Motor control starter kit for STM8S (128KB flash) microcontrollers

      Discovery kit with STM8S105C6 MCU

    • Part Number

      Universal motor control evaluation board based on the STM8S103F2 MCU and T1235T Triac

      Universal motor driver with speed control based on the STM8 and Triac (US version)

      Cold thermostat kit based on AC switches and the STM8S

      Digital wall dimmer for halogen and low-consumption lamps

Support and Applications

    • Part Number

      STM32, STM8 and ST Ecosystem trainings

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS6120
      Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data EEPROM,10-bit ADC, 3 timers, UART, SPI, I²C
      14.0
      1.88 MB
      PDF
      DS6120

      Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data EEPROM,10-bit ADC, 3 timers, UART, SPI, I²C

    • Description Version Size Action
      AN3143
      Audio software codec for the STM8S
      1.3
      250.38 KB
      PDF
      AN3280
      Displaying variable voltage on a bar of LEDs using STM8S-DISCOVERY
      1.3
      148.64 KB
      PDF
      AN2860
      EMC guidelines for STM8 microcontrollers
      5.2
      260.49 KB
      PDF
      AN1181
      Electrostatic discharge sensitivity measurement
      1.6
      49.01 KB
      PDF
      AN2752
      Getting started with STM8S and STM8AF microcontrollers
      6.0
      2.36 MB
      PDF
      AN3236
      Increase the number of touchkeys for touch sensing applications on MCUs
      5.0
      177.24 KB
      PDF
      AN3208
      Microstepping motor drive with STM8A and STM8S microcontrollers
      1.3
      284.11 KB
      PDF
      AN2645
      Migration and compatibility guidelines for STM8S microcontroller applications
      1.4
      525.01 KB
      PDF
      AN2867
      Oscillator design guide for STM8AF/AL/S and STM32 microcontrollers
      11.0
      2.79 MB
      PDF
      AN3259
      RS232 communications with a terminal using the STM8S-DISCOVERY
      1.2
      299.08 KB
      PDF
      AN3258
      STM8AF and STM8S series HSI oscillator calibration using LIN automatic resynchronization
      2.0
      247.91 KB
      PDF
      AN2945
      STM8S and STM32™ MCUs: a consistent 8/32-bit product line for painless migration
      1.4
      209.97 KB
      PDF
      AN2857
      STM8S and STM8A family power management
      3.2
      268.96 KB
      PDF
      AN2822
      STM8S and STM8A high speed internal oscillator calibration
      2.2
      195.08 KB
      PDF
      AN2646
      Smartcard interface with the STM8S microcontroller
      2.4
      442.01 KB
      PDF
      AN2658
      Using the analog to digital converter of the STM8S microcontroller
      2.5
      183.01 KB
      PDF
      AN3143

      Audio software codec for the STM8S

      AN3280

      Displaying variable voltage on a bar of LEDs using STM8S-DISCOVERY

      AN2860

      EMC guidelines for STM8 microcontrollers

      AN1181

      Electrostatic discharge sensitivity measurement

      AN2752

      Getting started with STM8S and STM8AF microcontrollers

      AN3236

      Increase the number of touchkeys for touch sensing applications on MCUs

      AN3208

      Microstepping motor drive with STM8A and STM8S microcontrollers

      AN2645

      Migration and compatibility guidelines for STM8S microcontroller applications

      AN2867

      Oscillator design guide for STM8AF/AL/S and STM32 microcontrollers

      AN3259

      RS232 communications with a terminal using the STM8S-DISCOVERY

      AN3258

      STM8AF and STM8S series HSI oscillator calibration using LIN automatic resynchronization

      AN2945

      STM8S and STM32™ MCUs: a consistent 8/32-bit product line for painless migration

      AN2857

      STM8S and STM8A family power management

      AN2822

      STM8S and STM8A high speed internal oscillator calibration

      AN2646

      Smartcard interface with the STM8S microcontroller

      AN2658

      Using the analog to digital converter of the STM8S microcontroller

    • Description Version Size Action
      TN1163
      Description of WLCSP for microcontrollers and recommendations for its use
      4.0
      1.07 MB
      PDF
      TN0189
      STM8 bootloader frequently asked questions
      2.5
      317.56 KB
      PDF
      TN1205
      Tape and reel shipping media for STM8 and STM32 microcontrollers in FPN packages
      3.0
      753.31 KB
      PDF
      TN1206
      Tape and reel shipping media for STM8 and STM32 microcontrollers in QFP packages
      3.0
      830.98 KB
      PDF
      TN1207
      Tape and reel shipping media for STM8 and STM32 microcontrollers in SO packages
      1.0
      755.03 KB
      PDF
      TN1208
      Tape and reel shipping media for STM8 and STM32 microcontrollers in TSSOP and SSOP packages
      1.0
      743.08 KB
      PDF
      TN1163

      Description of WLCSP for microcontrollers and recommendations for its use

      TN0189

      STM8 bootloader frequently asked questions

      TN1205

      Tape and reel shipping media for STM8 and STM32 microcontrollers in FPN packages

      TN1206

      Tape and reel shipping media for STM8 and STM32 microcontrollers in QFP packages

      TN1207

      Tape and reel shipping media for STM8 and STM32 microcontrollers in SO packages

      TN1208

      Tape and reel shipping media for STM8 and STM32 microcontrollers in TSSOP and SSOP packages

    • Description Version Size Action
      UM1559
      STEVAL-IHM041V1: hardware description
      1.0
      525.23 KB
      PDF
      UM1559

      STEVAL-IHM041V1: hardware description

    • Description Version Size Action
      RM0016
      STM8S Series and STM8AF Series 8-bit microcontrollers
      14.0
      9.48 MB
      PDF
      RM0016

      STM8S Series and STM8AF Series 8-bit microcontrollers

    • Description Version Size Action
      PM0051
      How to program STM8S and STM8A Flash program memory and data EEPROM
      3.4
      191.55 KB
      PDF
      PM0044
      STM8 CPU programming manual
      3.5
      897.69 KB
      PDF
      PM0051

      How to program STM8S and STM8A Flash program memory and data EEPROM

      PM0044

      STM8 CPU programming manual

    • Description Version Size Action
      ES0102
      STM8S001J3, STM8S003xx, STM8S103xx and STM8S903xx device limitations
      5.0
      262.24 KB
      PDF
      ES0102

      STM8S001J3, STM8S003xx, STM8S103xx and STM8S903xx device limitations

    • Description Version Size Action
      STM8S103x option list (4- to 8-Kbyte) 2.0
      1.17 KB
      ZIP

      STM8S103x option list (4- to 8-Kbyte)

    • Description Version Size Action
      DN0005
      A three phase induction motor drive using a V/F control
      2.1
      528.11 KB
      PDF
      DN0005

      A three phase induction motor drive using a V/F control

HW Model, CAD Libraries & SVD

    • Description Version Size Action
      stm8s OrCad Symbol and Footprint files 1.5
      3.39 MB
      ZIP

      stm8s OrCad Symbol and Footprint files

Presentations & Training Material

    • Description Version Size Action
      STM32 and STM8 Functional Safety Packages 3.2
      1.38 MB
      PDF
      STM32 and STM8 embedded software solutions 7.0
      3.12 MB
      PDF

      STM32 and STM8 Functional Safety Packages

      STM32 and STM8 embedded software solutions

Publications and Collaterals

    • Description Version Size Action
      Get ready for the largest IoT development ecosystem 19.01
      629.13 KB
      PDF
      STM8CubeMX eases STM8 configuration 19.01
      1.21 MB
      PDF

      Get ready for the largest IoT development ecosystem

      STM8CubeMX eases STM8 configuration

    • Description Version Size Action
      STM8 8-bit MCU family 18.10
      3.47 MB
      PDF

      STM8 8-bit MCU family

Quality & Reliability

    • Description Version Size Action
      VDE certification for STM8S ClassB f/w 1.0
      1.81 MB
      PDF
      VDE certification for STM8S ClassB f/w 1.0
      1.81 MB
      PDF

      VDE certification for STM8S ClassB f/w

      VDE certification for STM8S ClassB f/w

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM8S103F3M3
Active
SO-20 Industrial Ecopack1
STM8S103F3M6
Active
SO-20 Industrial Ecopack1
STM8S103F3M6TR
Active
SO-20 Industrial Ecopack1
STM8S103F3P3
Active
TSSOP 20 Industrial Ecopack2
STM8S103F3P3TR
Active
TSSOP 20 Industrial Ecopack2
STM8S103F3P6
Active
TSSOP 20 Industrial Ecopack2
STM8S103F3P6TR
Active
TSSOP 20 Industrial Ecopack2
STM8S103F3U3TR
Active
UFQFPN 20 3x3x0.6 Industrial Ecopack2
STM8S103F3U6TR
Active
UFQFPN 20 3x3x0.6 Industrial Ecopack2

STM8S103F3M3

Package:

SO-20

Material Declaration**:

Marketing Status

Active

Package

SO-20

Grade

Industrial

RoHS Compliance Grade

Ecopack1

STM8S103F3M6

Package:

SO-20

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-20

Grade

Industrial

RoHS Compliance Grade

Ecopack1

STM8S103F3M6TR

Package:

SO-20

Material Declaration**:

Marketing Status

Active

Package

SO-20

Grade

Industrial

RoHS Compliance Grade

Ecopack1

STM8S103F3P3

Package:

TSSOP 20

Material Declaration**:

Marketing Status

Active

Package

TSSOP 20

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S103F3P3TR

Package:

TSSOP 20

Material Declaration**:

Marketing Status

Active

Package

TSSOP 20

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S103F3P6

Package:

TSSOP 20

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP 20

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S103F3P6TR

Package:

TSSOP 20

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP 20

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S103F3U3TR

Package:

UFQFPN 20 3x3x0.6

Material Declaration**:

Marketing Status

Active

Package

UFQFPN 20 3x3x0.6

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S103F3U6TR

Package:

UFQFPN 20 3x3x0.6

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFQFPN 20 3x3x0.6

Grade

Industrial

RoHS Compliance Grade

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.