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The STM8AF526x/8x/Ax and STM8AF6269/8x/Ax automotive 8-bit microcontrollers described in this datasheet offer from 32 Kbyte to 128 Kbyte of non volatile memory and integrated true data EEPROM. They are referred to as high density STM8A devices in STM8S series and STM8AF series 8-bit microcontrollers reference manual (RM0016).
The STM8AF52 series features a CAN interface.
All devices of the STM8A product line provide the following benefits: reduced system cost, performance and robustness, short development cycles, and product longevity.
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, wtachdog, and brown-out reset.
Device performance is ensured by 20 MIPS at 24 MHz CPU clock frequency and enhanced characteristics which include robust I/O, independent watchdogs (with a separate clock source), and a clock security system.
Short development cycles are guaranteed due to application scalability across a common family product architecture with compatible pinout, memory map, and modular peripherals. Full documentation is offered with a wide choice of development tools.
Product longevity is ensured in the STM8A family thanks to their advanced core which is made in a state-of-the art technology for automotive applications with 3.3 V to 5.5 V operating supply.
All STM8A and ST7 microcontrollers are supported by the same tools including STVD/STVP development environment, the STice emulator and a low-cost, third party in-circuit debugging tool.Key Features
- AEC-Q10x qualified
- Core
- Max fCPU: 24 MHz
- Advanced STM8A core with Harvard architecture and 3-stage pipeline
- Average 1.6 cycles/instruction resulting in 10 MIPS at 16 MHz fCPUfor industry standard benchmark
- Memories
- Program memory: 32 to 128 Kbyte Flash program; data retention 20 years at 55 °C
- Data memory: up to 2 Kbyte true data EEPROM; endurance 300 kcycle
- RAM: 6 Kbyte
- Clock management
- Low-power crystal resonator oscillator with external clock input
- Internal, user-trimmable 16 MHz RC and low-power 128 kHz RC oscillators
- Clock security system with clock monitor
- Reset and supply management
- Wait/auto-wakeup/Halt low-power modes with user definable clock gating
- Low consumption power-on and power-down reset
- Interrupt management
- Nested interrupt controller with 32 vectors
- Up to 37 external interrupts on 5 vectors
- Timers
- 2 general purpose 16-bit timers with up to 3 CAPCOM channels each (IC, OC, PWM)
- Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
- 8-bit AR basic timer with 8-bit prescaler
- Auto-wakeup timer
- Window and independent watchdog timers
- I/Os
- Up to 68 user pins (11 high sink I/Os)
- Highly robust I/O design, immune against current injection
- Communication interfaces
- High speed 1 Mbit/s CAN 2.0B interface
- USART with clock output for synchronous operation - LIN master mode
- LINUART LIN 2.2 compliant, master/slave modes with automatic resynchronization
- SPI interface up to 10 Mbit/s or fMASTER/2
- I2C interface up to 400 Kbit/s
- Analog to digital converter (ADC)
- 10-bit resolution, 2 LSB TUE, 1 LSB linearity and up to 16 multiplexed channels
- Operating temperature up to 150 °C
- Qualification conforms to AEC-Q100 grade 0
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Sample & Buy
| Part Number | Package | Packing Type | Temperature (°C) | Marketing Status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | More info | Order from Distributors | Order from ST | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| STM8AF6288TAY | LQFP 48 7x7x1.4 | Tray | -40 | 85 |
Active
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1.3888 | 10000 | EAR99 | MALAYSIA | No availability of distributors reported, please contact our sales office | ||
| STM8AF6288TAX | LQFP 48 7x7x1.4 | Tape And Reel | -40 | 85 |
Active
|
1.3888 | 10000 | EAR99 | MALAYSIA | Check Availability | ||
| STM8AF6288TDY | LQFP 48 7x7x1.4 | Tray | -40 | 150 |
Active
|
1.6213 | 10000 | EAR99 | MALAYSIA | Check Availability | Buy now | |
| STM8AF6288TCY | LQFP 48 7x7x1.4 | Tray | -40 | 125 |
Active
|
1.4592 | 10000 | EAR99 | MALAYSIA | Check Availability | ||
| STM8AF6288TDX | LQFP 48 7x7x1.4 | Tape And Reel | -40 | 150 |
Active
|
1.6213 | 10000 | EAR99 | MALAYSIA | No availability of distributors reported, please contact our sales office | ||
| STM8AF6288TCX | LQFP 48 7x7x1.4 | Tape And Reel | -40 | 125 |
Active
|
1.4592 | 10000 | EAR99 | MALAYSIA | Check Availability | ||
STM8AF6288TAY
Package
LQFP 48 7x7x1.4Packing Type
TrayUnit Price (US$)
1.3888*STM8AF6288TAX
Package
LQFP 48 7x7x1.4Packing Type
Tape And ReelUnit Price (US$)
1.3888*STM8AF6288TCY
Package
LQFP 48 7x7x1.4Packing Type
TrayUnit Price (US$)
1.4592*STM8AF6288TDX
Package
LQFP 48 7x7x1.4Packing Type
Tape And ReelUnit Price (US$)
1.6213*STM8AF6288TCX
Package
LQFP 48 7x7x1.4Packing Type
Tape And ReelUnit Price (US$)
1.4592*(*) 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
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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 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/V2 ST ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32 
STLINK-V3SET ST STLINK-V3 modular in-circuit debugger and programmer for STM32/STM8 Part NumberAutomated, 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.
ST-LINK/V2 in-circuit debugger/programmer for STM8 and STM32
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. IAR Embedded Workbench for STM8 - Functional Safety 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.
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 
STM8A-SafeASIL ST Functional safety package to achieve ISO 26262 Automotive Safety Integrity Level (ASIL A or B) certification with STM8AF 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-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-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-STM8068 ST Erase/write routines for STM8 ROM bootloader (UM0560) STSW-STM8069 ST STM8S/A Standard peripheral library STSW-STM8074 ST LIN communication with two STM8AF boards of STM8A-DISCOVERY (AN4178) STSW-STM8076 ST Analog-to-digital converter on STM8L and STM8AL devices: description and precision improvement techniques STSW-STM8077 ST STM8AF and STM8S HSI oscillator calibration using LIN automatic resynchronization (AN3258) STSW-STM8A-J2602 ST STM8A J2602 software package STSW-STM8A-LIN ST STM8A LIN 2.1 software package Part NumberFunctional safety package to achieve IEC 60730 Class B certification with the STM8
Functional safety package to achieve ISO 26262 Automotive Safety Integrity Level (ASIL A or B) certification with STM8AF
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)
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)
STM8 in-application programming (IAP) using a customized bootloader (AN2659)
Setup screensaver STM8 1024x768
Setup screensaver STM8 1280x1024
Erase/write routines for STM8 ROM bootloader (UM0560)
STM8S/A Standard peripheral library
LIN communication with two STM8AF boards of STM8A-DISCOVERY (AN4178)
Analog-to-digital converter on STM8L and STM8AL devices: description and precision improvement techniques
STM8AF and STM8S HSI oscillator calibration using LIN automatic resynchronization (AN3258)
STM8A J2602 software package
STM8A LIN 2.1 software package
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Evaluation Tools
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Picture Part number Manufacturer Description 
STM8A-DISCOVERY ST Discovery kit with STM8AF5288 and STM8AL3L68 MCUs 
STM8A/128-EVAL ST Evaluation board for STM8AF series - with STM8AF51AA/STM8AF52AA MCU Part NumberDiscovery kit with STM8AF5288 and STM8AL3L68 MCUs
Evaluation board for STM8AF series - with STM8AF51AA/STM8AF52AA MCU
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Support and Applications
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STM8AF6288TAX |
Active
|
LQFP 48 7x7x1.4 | Automotive | Ecopack2 | |
| STM8AF6288TAY |
Active
|
LQFP 48 7x7x1.4 | Automotive | Ecopack2 | |
| STM8AF6288TCX |
Active
|
LQFP 48 7x7x1.4 | Automotive | Ecopack2 | |
| STM8AF6288TCY |
Active
|
LQFP 48 7x7x1.4 | Automotive | Ecopack2 | |
| STM8AF6288TDX |
Active
|
LQFP 48 7x7x1.4 | Automotive | Ecopack2 | |
| STM8AF6288TDY |
Active
|
LQFP 48 7x7x1.4 | Automotive | 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.
