Sorry, finally I sent files in a 7z compressed file. Forget about .c and renaming

Hi,it´s a .7z file, you have to rename .c to .zip to uncompress.Anything you need to clarify, do not hesitate to ask.Thank you very much.Best regards.

Hello, I tried what you suggest me with no success.This is MX_RAMCFG_Init function I´m using, calling it at system initialization and after STOP3 mode. I tried lowering clock to 16MHz with no wait states also./*** @brief RAMCFG Initialization Functio...

Hi againJust one question,below you can see SystemClock_Config() code. Actually I think I was already configuring wait states to 1 after wakeup with this call at the end of the function: if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) !=...

Thank you very much for your quick response. I´ll try all your suggestions and be back to you. Best regards.