STM32 MCUs Products

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STM32F769NI: UARTs do not connect in bootloader mode

Hi,I am asking for some sound technical help on the STM32F769NI BootloaderI am using an STM32F769NI MCU and wish to update the firmware using STs' Bootloader mode via the UART.I am running into problems that none of the UARTs on Pins PA9/PA10, PB10/P...

gps by Associate II
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  • 4 replies
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ADC digital reading

Hello,I'm using the NUCLEO-F722ZE EVB.Page 155 of the datasheet describes the ADCs characteristics: https://www.st.com/resource/en/datasheet/stm32f722ze.pdfFrom the NUCLEO-F722ZE schematics I see that VDDA as well as VREF+ are 3.3V. VREF- is zero vol...

skon.1 by Senior
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Are the USART*_TX pins configured as push-pull outputs when in system memory mode from the beginning or only after selection of the USART interface (0x7F received)?

Hi,AN2606 (STM32 microcontroller system memory boot mode) states e.g. for the STM32F301, that in system memory boot mode both USART_TX pins (USART1_TX & USART2_TX) are used as outputs. Is the TX pins really configured as outputs as soon as the system...

Resolved! calculating checksum of struct

Hello, I need to calculate checksum over a struct I have defined. Can anyone please help me with this? The data is structured as below: typedef struct eeprom_struct {   // char serial_number[5]; float detector_comp_ch0; float detector_comp_ch1; fl...

VYoun by Associate III
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Interrupts Management

I am trying to understand the priorities, subpriorities and priority grouping in my stm32f407-Discovery.I would like to have 3 external LEDS (LD_A, LD_B, LD_C) and 3 interrupts (IT_A, IT_B, IT_C) with. IT_A has a highest priority, IT_C has the lowest...

Resolved! Problem with STM32H743 backup ram access with 16 Bit

We use the STM32H743BI.We have a problem with writing the Backup-RAM if the mapped variables size is not multiple of 32 Bit.According to the reference manual (rev. 7) the backup RAM is accessible in 32-bit, 16-bit or 8-bit data mode. (RM0433 Rev 7, p...

roland23 by Associate II
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