STM8 MCUs

Stm8s003 crashing or resetting occasionally when using halt() + GPIO ISR wakeup

#include "stm8s.h"   //My delay for testing. Calibrated for milli seconds.   void delay2(uint16_t ms) { volatile uint16_t a = 100; while(ms--) { a = 1800; while(a--); } }   void main(void) { //CLK_DeInit(); CLK_HSIPrescalerConfig(CLK_PRESC...

I would like some doubts clarified

I've been working with STM8S chips for about 2-3 months now, and would like my doubts clarified:What is the state of the RAM in the chip after a software/watchdog reset(Not BOR or POR, obviously). I have assumed the RAM is not disturbed by the Reset,...

I have stm8l discovery and Can any one help with i2c configuration here. I am using LP55231 led driver and I do not know whether this configuration is correct.

Please go through the code and help me out in the configuration.void i2c_init(void) {  I2C1_FREQR = 0x20;// 16mHz  I2C1_CCRL = 0x50; // 160  I2C1_OARH = 0x40; // 7-bit addressing and add-mode configuration  I2C1_CR1 = 0x01; // enable peripheral}void ...

STEVAL-ISB044V1 cannot communicate with ST-Link V2

Hi all，I'm using theﾠSTEVAL-ISB044V1 evaluation board for the wireless charging test. The evaluation board is based on STWBC-EP and can be programmed with ST-LINK V2. STM8AF6166 is the core of it, so I post here. I tried to program the board, and the...

IAR for STM8, FLASH_EraseBlock stuck in release mode

#define RAM_EXECUTION (1) configured with STM8AF52xxUse FLASH_EraseBlock in debug mode to erase normally.In release mode (medium or high optimization) use FLASH_EraseBlock to die.why?

What is it the strange CPU instruction generated by SDCC?

Hello everyone.SLCC generated a strange instruction similar to JRF, represented as .byte 0x21 pseudo-instruction. Can anyone explain what this is? A code snippet is provided in the attachment. The compiler options are as follows: -mstm8 --out-fmt-elf...

Hello, is there any library or sample code, for 1-wire communication i.e. DS18B20?

I request sample from estore, but when i get to the shipping page, no matter how i fill out anything, the cointue button cant work and cant pass to next page,so i gave up requesting sample ,so pls st send me free sample stm8s103k3t6, thanks.

I request sample from estore, but when i get to the shipping page, no matter how i fill out anything, the cointue button cant work and cant pass to next page,so i gave up requesting sample ,so pls st send me free sample stm8s103k3t6, thanks.

STM8AF6223A how to pass ASIL B certification?

Hi All​The customer want to design STM8AF6223A for automotive application, it is have to pass ASIL B certification, but I had confirm ST website(as below hyperlink), the third party website has expired, how to get more detailed information?Thanks.​ht...

About STM8S003 be reset continoustly

Hello everyone, I have got a problem but I can't resolve it.I made a project read NMEA string from UART and show it to OLED 128x64 (I2C interface) with STM8s003F3P6. everything is OK when I tried to get GPS strings from UART and store them variable ,...