STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

[STM32L082] Powering the USB section of the chip

I do not want to use the USB part of the STM32L082. According to the Ref Manual RM0376 page 140 there is no explicit mention that the VCC_USB can be tied to GND if not in use. So what would be the thing to do (and reduce the power even further): GND ...

No MOSI PULSE if use SPI re-mapped

Posted on February 28, 2013 at 04:03A am using STM32F103T4, a low density device, and want to use the re-mapped SPI1. Below is my implementation:  /* GPIO and AFIO clock enable */  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO| RCC_APB2Periph_GPIOB, EN...

ronrafer by Associate
  • 480 Views
  • 2 replies
  • 0 kudos

STM32L051 TIM21 trigger output issue

Hi,Using the following code, ADC can be triggered by TIM22 successfully./** * @fn static void ADC_Config(void) * * @brief ADC configuration. */ static void ADC_Config(void) { /* Enable clock */ RCC->AHBENR |= RCC_AHBENR_DMAEN; RCC-...

Resolved! RAM not getting written before reset on stm32f769n

I am working on a hard fault handler were I want to store some key values into ram before resetting. This data will then be further handled at next boot up.My problem is that the data does not get written into RAM unless I step through the writing co...

[STM32F4xx] Only 16 GPIO under control?

The STM32F4xx reference manual (RM0090) specifies under the GPIO main features section that there are "up to 16 I/Os under control" - does this mean I cannot control more than 16 GPIO pins or am I interpreting this incorrectly?

hjm by Associate II
  • 669 Views
  • 3 replies
  • 0 kudos

Issue while recording audio with SAI interface ?

Hi ,I'm doing an audio recording with the SAI interface of the STM32L4R9AI microcontroller.I'm using DMA in circular mode and I'm getting audio data which I wrote into SD memory.However, when I tried to open the recorded file , I hear my audio speec...

STM32L452 QUAD SPI - wrong address on bus

Posted on January 16, 2018 at 11:32Hello,I use STM32L452 QUAd SPI for communicate with Winbond w25n01g NAND Flash.My init code ispage = 0x30;  /* Initialize the read command */  sCommand.InstructionMode   = QSPI_INSTRUCTION_1_LINE;  sCommand.Instruc...

Alex Mach by Associate III
  • 558 Views
  • 1 replies
  • 0 kudos

Linker file with SBSFU

We have our application running with the SBSFU feature and are not sure if our linker files are designed correctly. In our application linker file, the CCMRAM is used :/* Entry Point */ ENTRY(Reset_Handler)   /* Specify the memory areas */ MEMORY { r...