STM8 MCUs

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

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Burning custom bootloader in STM8s103F3.

Currently, I am working on STM8S103F3. I wanted to build custom bootloader for it as it doesn't have inbuilt bootloader. So I followed the procedure given in "AN2659" document which describes how to use example bootloader given by STmicroelectronics....

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Usage of Window watchdog generates a reset when MCU enters Halt mode and Independent watchdog continues running in Halt/Active-halt mode

Hi ST Team,Hope you guys are doing well !!!.Can you explain me in detail regarding the usage of Window watchdog generates a reset when MCU enters Halt mode  and Independent watchdog continues running in Halt/Active-halt mode. If you have any document...

Resolved! Can't connect to STM8L052C6

Hi,I'm attempting to connect to STM8L052C6 with ST-link and receiving an error, "Cannot communicate with the device !"I've read every forum post on google related to the issue and tried just about everything to connect.Finally I found in the manual f...

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CDarw.1 by Associate II
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cosmic compiler error?

hiComsic STM8 compiler suite version: 4.4.12.I am using this compiler version together with ST's STVD.In the sample code attached, with line 13 conditional define set to 0, the compiler yields compilation error (my intended implementation), and the a...

Keeloq firmware

In DT0094, KeeLoq RX application over S2-LP, the following is mentioned:KeeLoq firmware example for RX node available on request through local marketing / sales representative.Has anybody got a copy of this?

VTrea.1 by Associate
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STM8S003F3 - flash endurance and lab classes

Hello,The STM8S003F3 is a Value Line device with quite small number of write/erase cycles. The data sheet says:Program memory: 8 Kbyte Flash memory; data retention 20 years at 55 °C after 100 cycles---My wife is going to use very cheap W1209 thermost...