STM8 MCUs

Discuss STM8 microcontrollers, including SWIM, USART configurations, RTC usage, ADC issues, and debugging.

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WWDG bug in STM8S103F3?

Hello,On STM8S103F3 MCU I, might have found a bug in the WWDT.Found nothing related in errata. My environment: IAR, HSI 16MhzProblem: kicking WWDG too early doesn't trigger instant reset.void main(void) { WWDG->CR = WWDG_CR_WDGA | 0x7F; WWDG->W...

AToth by Associate
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STVD 4.3.12 vs ST-Link V2, connection problem

Hi everyone,after solving a problem on Windows 7, I can no longer use ST-LINK/V2, or STM8-Discovery, for debugging via STVD (see version on attachment 2).I've verified that both ST-Link and STM8 Discovery work correctly and in fact with these tools I...

STM8L151C6 USART Bootloader is not working?

Hi, I am using STM8L151C6 chip for my development. I would like to program my application through USART boot loader option. I configured Read Out Protection OFF and BL option bytes to 55 AA through ST Visual programmer. When I am testing wit...

SKARU.51 by Associate
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How to interface lcd to stm8s103fp3

I am trying for interfacing lcd to stm8s103fp3 in 4 bit lcd mode.please someone suggest how should I do.​

SBadd by Associate II
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Resolved! How to download and decompile the firmware stored on a STM8 MCU?

New to STM8, I can create and upload new firmware, but I'd like to understand the reverse process in the event I need to use SWIM for root cause analysis of bad or damaged parts with multiple firmware versions. Imagine a drone with AI able to self-mo...