STM32 MCUs Products

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Resolved! STM32 MCU unable to communicate with DPRAM

Hello,I'm working on my customized board with STM32H747XIH6 MCU which is connected to the DPRAM (Part No: 70T653MS12BCGI). The connectivity is as follows.While I'm trying to read and write from the DPRAM after 22 locations the software hangsI have at...

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Aarra.1 by Senior
  • 2420 Views
  • 7 replies
  • 1 kudos

DMA reset?

I have an A/D circular DMA that collects 192 samples...There can be times when an asynchronous push button event interrupts this while it is collecting. Can someone tell me the quickest solution for resetting the DMA so that after I service the push...

SWenn.1 by Senior III
  • 1209 Views
  • 3 replies
  • 2 kudos

STM32 UART to RS485 Communication bit Shift Problem

Hi AllI have a problem with RS485 Communication. I am using STM32f103rbt6. Only send a struct data (13 bytes). Microcontroller send this data to ADM4855ARZ (RS485 IC). Data sends correctly ( ı checked with logic analyzer). Than this data goes RS485 t...

SCoga.2 by Associate
  • 523 Views
  • 1 replies
  • 1 kudos

How can an ADC input read influence the encoder input ?

Hi!we use STM32G473 with 4 timers for 2 motors, for each motor we use 2 timers connected with ITR , the first timer is used as encoder input to hold the position, the second timer interrupts on each edge of of the encoders and calculate the speed.Wh...

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sde c.1 by Senior II
  • 1077 Views
  • 3 replies
  • 0 kudos

STM32L462 not found - ST-LINK V2 / V3 in STM32CubeIDE

Hi,I have STM32CubeIDE 1.7.0 issue whereby I can connect either ST-Link V2 or V3set to our custom board that has STM32L462RET6 MCU. Same with STM32 Cube Programmer - can't connect - target not found. Inside IDE, there's problem launching GDB serv...

MI.3 by Associate
  • 6197 Views
  • 11 replies
  • 0 kudos

Resolved! STM32F4 Disco RTC (old version) not updating SECONDS

I am using the Audio Playback and record exaample.I modified Systeem_clock_config as follos /* Enable HSE Oscillator and activate PLL with HSE as source */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSE; RCC_...

shorai by Associate III
  • 940 Views
  • 3 replies
  • 0 kudos

Problems with UART transfer using DMA on STM32L471RGT6

Hi , I am using DMA/serial port transfer with RTS /CTS handshaking to transfer between 490 and 506 bytes from variable dma_buffer. The byte stream is terminated with \r\n\0 . the code is below : while (transmit_complete_flag !=1 ){;} // wait here un...

rwils.1 by Associate III
  • 773 Views
  • 1 replies
  • 0 kudos