Resolved! Input pin in pull up mode is being in high impedance state
I have set PA3 pin as input with pull up mode. But testing this pin by multimeter I get high impendance state (0.5V) on it. Must be 3.3V (logical 1). I use stm32F417ZGT6.
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Resolved! ADC readings 'sticking' anomaly
I'm using the STM32H7B3.ADC configuration: Sample time : ~2usLL_ADC_SAMPLINGTIME_64CYCLES_5 Calibrations: HAL_ADCEx_LinearCalibration_FactorLoad(adc2)HAL_ADCEx_Calibration_Start(adc2, ADC_CALIB_OFFSET, ADC_SINGLE_ENDED)Observations:The ADC counts se...
Resolved! STM32H743 RTC clock resets upon reset, but backup registers are retained?
I'm working on a custom board using an STM32H743IIT6. In general, the board is working, but I'm running into an issue with the RTC. The RTC is running accurately, but when I reset the board, the RTC resets. This happens even if I just terminate and r...
Serial callback not call after warm book on NUCLEO-L4A6ZG
I'm using a NUCLEO-L4A6ZG board with the STM32L4A6ZG MCU. My project uses the microSD connector for serial communication with a computerThe microSD connector uses lpuart1. I use uart_irq_callback_user_data_set to install a callback for received data....
what is the address on register A16
Post edited by ST moderator to be inline with the community rules especially with the code sharing. In next time please use </> button to paste your code. Please read this post: How to insert source code #define FMC_BANK1_BASE ((uint32_t)0x60000000) ...
How to store a 1-bit bootloader flag without wasting 1 Flash page
Hello,I am working on custom bootloader + application setup on a STM32G070CBT6Currently, I need to store bootloader flag that indicate whether the MCU should jump to the bootloader code or to the application code.Since the movement i am reserving 1 f...
STM32U375RGT6Q - UART function
Hi,Will PC0 PC1 LPUART functions in normal operation? I have to use this LPUART in normal operation of MCU, not in power saving mode.Is there any limitation on this like speed, baud rate etc. Regards,Anurag
Internal flash storage issue on STM32G0B1
Good day,I am writing firmware for a custom board using the STM32G0B1KET6 and am experiencing issues related to writing a serial number to the internal flash.As far as I can tell, this MCU has 512 KB of flash split into 2 banks of 128 pages (each pag...
Generate two 50% duty PWM signals with 90° phase shift using a single timer
Hi everyone,I’m trying to generate two PWM signals with 50% duty cycle and a 90° phase shift, to simulate an A/B type output.I managed to achieve this using two different timers and adjusting the compare values, but I’d like to know if it’s possible ...
Resolved! STM32U585 jump form application to STM32 bootloader will not respond to FDCAN messages
I’m running into a strange issue when trying to jump into the STM32 bootloader.I’ve built an FDCAN bootloader flasher using an STM32H7 along with a Windows host program. This setup allows me to reprogram both virgin and already-programmed. To do this...
