STM8 MCUs

Hi, I have Design a Relays Based AC Switch Board using STM8s003 and ESP01. When I connect even a small resistive load then the controller resets during relays switching.... i dont know whether where is the problem in my design?

 >>The Board is working fine when there is no AC (220v) load Connected; but with AC Load Connected, then MCU resets during switchingSame type of switch boards are available online containing stm8 but i havent experienced these boards regarding such a...

I want to STLINK-V3SET Connected STM8L152C8 by self power.

How are  STLINK-V3SET self power connection?ST Visual Develop(4.3.12) or ST Visual Programmer(3.4.1) unknow self power selection.Please ask after comfirm.Thanks.

I got error as flexLM featured has expire while compiling the code...So how do i renew the cosmic compiler liscene

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...

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...

rop can not be disabling by debugger there is no option tab in the icd mcu configuration

i am using stm8s003f3 mcu and st link v2 mcu was programmed before rop option enabledi ve changed programme and try to reprogram mcu i am getting Error: gdi-error [40301]: in the past rop can be disabled by debugger in the related menu and selection....

Need to Program STM8L151C6 using USART bootloader application. Configured ROP OFF & BL OPT BYTES to 55 AA using STVP. But BL not working. Pls Help in this.

Boot Loader Option Bytes SettingsOption byte 0: AAOption byte 1: 00Option byte 2: 00Option byte 3: 00Option byte 4: 00Option byte 5: 55Option byte 6: AAMemory checksum: 0x1A9

In case of stm8s, how to configure SPI CRC in slave mode because in my project I am slave and taking data only.

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...

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.​