Ask questions, find answers, and share insights on STM32 products and their technical features.
There is no firmware in the µC! I expected all I/Os to be floating. Some are floating. But PB13 seems to be pull-down is activated. I did not find the reason in data sheet or Reference Manual. What Pins are safe floating after reset?
Hi, I am using STM32G030K6T6 Microcontroller. I need a help for how can i Enable TDR Register and handle the interrupt handler. interrupt handler does not run and I need is Five Bytes data transmit in Uart_DMA. But registers does not wrk properly. I ...
RM0444 rev. 5, sec. 29.3.4 and RM0490 rev. 3, sec. 21.3.4 both employ only WDGTB[1:0], but WWDG_CFR description mentions WDGTB[2:0] with eight different prescaler settings. So actually two or three bits?
I understand need to send Instruction 0x90, followed by 3 dummy bytes 0x00 to external flash. The rest configuration is OK. The code is as following. This is SPI_INIT function.static void MX_QUADSPI_Init(void){ /* QUADSPI parameter configuration*/ hq...
Hello everyone!!!I'm yugentharStill I am working in QSPI concept in stm32f746 disco boardI tried to write the data for QSPI flash memory but I can't able to write and read the QSPI flash memory I have attached my code and snap pls find and give any s...
Synopsis: if controller (master) first receives data, after RESTART and direction change PEC register is not reset. As a result, PEC byte value calculated and sent by the controller after RESTART and direction change is based on the previous PEC valu...
whether this below image is my imagination about memory please correct me or help me in understanding this
I had tried Poll conversion and it worked fine, but I want to use Interrupt for ADC value reading, but for some reason, it is not working. Could anyone suggest me, where i went wrong?void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc){ adc_val = H...
Hi,I'm using STM32G474 and trying to understand how COMP1 output blanking should be setup. From the reference manual, it can be set by using TIM1_OC5, but I didn't find anywhere mentioning how can i configure the length of the blanking period.Any tip...
I'm using an STM32F446RE to receive data via SPDIF. This works well with the following initialisation:hspdif.Instance = SPDIFRX; hspdif.Init.InputSelection = SPDIFRX_INPUT_IN0; hspdif.Init.Retries = SPDIFRX_MAXRETRIES_15; hspdif.Init.WaitForAct...
