STM32 MCUs Products

STM32F767 QSPI vs FMC

Hi Community!For a new project I need both external RAM and externalFLASH memory (from which code should also be executed) on aSTM32F767BG.Now I'm faced with the question of what makes more sense:• SRAM on FMC and Flash on QPSI• Or SRAM and Flash bot...

How to use backup registers without setting up RTC ?

Hello,I have a question: I want to use the backup registers to recover data after waking up from standby. Is it possible using it without setting up RTC or are they bound to RTC ?If they are related and setting up RTC is mandatory prior to use the re...

How To use software NSS using SPI DMA with STM32G474

I'm using STM32G474 and I want to use SPI DMA with ltc2344-16 (ADC chip)I can send and receive data through SPI using below codes. (LL) void ADC_RECEIVE(uint8_t data_in) { uint16_t registor = 0; uint16_t part[6]= {0,0,0,0,0,0};   if(data_in == 0) ...

Stm32l4R9AII6 Custom Board External Sram W/R Problem

Hi,I am using 16Mbit Sram (IS61WV102416DBLL)The Sram-MCU (STM32L4R9AII6) schematic is as follows"Chip Select NE1" default pins are used on the MCU sideI added FMC and detailed pin Configuration as "fmc_ram.pdf"Code : #define SRAM_BANK_ADDR ...

Stuck in UART_WaitOnFlagUntilTimeout HAL lib

Posted on January 04, 2016 at 18:38 Hello there! I'm trying to communicate with the STM spwf01sa wifi module via UART. At first, it works for about 10-15 minutes, then the software stucks, right after the HAL_UART_Receive, in theUART_Wait...

What does "A" mean in the ordering information? It states that A = device generation A.

Quad encoder user input using interrupts (LPTIM)

I'm attempting to use a quad encoder as user input. It is connected to the LPTIM1, so I was going to use the HAL functions with encoder mode. I want to be able to sense both the direction and amount of turn of the encoder in order to move selection ...