ST's 8-bit microcontroller platform is implemented around a high-performance 8-bit core and a state-of-the-art set of peripherals. This platform is manufactured using an ST-proprietary 130 nm embedded non-volatile memory technology.
The STM8 allows fast and safe development through enhanced stack pointer operations, advanced addressing modes and new instructions. The STM8 platform supports four product series:

  • STM8S, mainstream MCUs
  • STM8L, ultra-low-power MCUs
  • STM8AF and STM8AL, automotive MCUs

Selecting the right ST MCU was never so easy

ST MCU Finder: all STM32 & STM8 MCUs in one place, now available for desktops

The ST MCU Finder application allows exploring the complete portfolio of STM32 ARM® Cortex®-M and STM8 microcontrollers and development boards from any mobile device or directly from the developer’s desktop environment.

It features an intuitive MCU selection tools, self-maintaining technical documentation, buy-online, connections to MCU communities, and much more.

Mobile version is available on GooglePlay and AppStore.
Desktop version for Windows®, macOS™, and Linux® can be downloaded free of charge from www.st.com/stmcufinder.

STM8AF automotive MCUs with CAN

For space constrained applications

STM8AF5286 and STM8AF52A6 automotive CAN and LIN line 8-bit MCUs are new members of ST's automotive MCU portfolio to serve space-constrained modules connected to a CAN bus. Up to 2 Kbytes of on-board true data EEPROM with an endurance of 300k cycles, removing overhead for EEPROM emulation. You can start evaluating these new devices now with the STM8A-DISCOVERY kit.

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