STM8 MCUs

STM8 'Read While Write' function necessary to ensure serial RX while accessing EEPROM?

Hi,I am looking at STM8 MCUs and am trying to figure out, if I need the RWW functionality. I want to save data to EEPROM after a specified time has elapsed and read at random times from the data EEPROM. I also want to have UART comms running.To ensur...

8-pin part label part identification (ST G9949)

I'm trying to identify an 8-pin part that appears to have an "ST" logo on it. I'm pretty sure it is an 8-bit MCU, (part of a LED tube driver dimmer control) The part numbers looks like ST G9949, but I can't find a match on ST.com. Does ST custom labe...

STVD user manual

Hey, The STVD latest version available from the Website is 4.3.12. But its user manual On the Website (Doc: UM0036) is for STVD version 4.0.1 (Which is released in 2010).I can't find any User Manual DOC for STVD latest Version 4.3.12.anybody any Idea...

I have sttoolset pack42 STM8 IDE source but it can't installed into my laptop so please help me for that issue

Hi, I´m using STM8S0003F. I have 2 pins at PORT A (PA1 and PA3 that are programmed to generate an interrupt when any signal FALL_ONLY. During the interrupt routine, how can I know which pin generate this interrupt? Thank you Andre

INTERRUPT_HANDLER(EXTI_PORTA_IRQHandler, 3){ /* In order to detect unexpected events during development,   it is recommended to set a breakpoint on the following instruction. */ if(!GPIO_ReadInputPin(RUIDO_PASS_Port, RUIDO_PASS_Pin)) { Tmr10msLeRuid...

SD CARD PROBLEM FOR STM8S003F3

I have a STM8S003F3 and a Arduino Micro SD Card Module. I want to communicate with Micro SD Card. But Project SPI_FastCommunicationMicroSD in STM8S_StdPeriph_Lib is not working. It goes into "Go to infinite loop when there is mismatch in data program...

Hi, I am using stm8l001j3m3. In my project i can't write to eeprom. How can i do it?

My code as a below;void EEPROM_WriteByte(unsigned int address, unsigned char value){ FLASH->DUKR = 0xAE; FLASH->DUKR = 0x56; (*(uint8_t *)(0x9FC0 + address)) = value; FLASH->IAPSR &= FLASH_MemType_Data;}unsigned char EEPROM_ReadByte(unsig...

stm8s cco flag never set

I have a discovery stm8s003k board and when I tested a program for cco capability it seems cco will never be stable and program always remain in line:while(CLK_GetFlagStatus(CLK_FLAG_CCORDY) == FALSE); code and more explain is in detail.I tested it w...

How to find out how much space are in RAM and Flash occupied in bytes?

Hello, I am using STM8l151, ST Visual Develop, and Cosmic compiler. I need to find out how much space is occupied in RAM and Flash. I found the .map file and checed there, but everything there is said in terms of segments and also code size in flash ...