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STM32F411 I2S1 supply dma?

Posted on March 26, 2015 at 09:02Hi,I want use I2S function on ST411I2S1(SPI1) can work on DMA Mode?I check DMA1 request mapping Only have I2S2 , I2S3 but in my design need SDIO (SPI2,SPI3) #i2s-stm32f411

cyan1650 by • Associate
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  • 2 replies
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[stm32l053r8]EEPROM HAL Driver Lib problem

Posted on March 26, 2015 at 19:01 I try this simple code to get used to EEPROM HAL drivers library, but when i try to download the code to the board and start debugging with Keil, it appears ''cannot access target. Shut down debugging session'' a...

Is stm32f4xx_gpio.c broken - missing BSRR register?

Posted on March 26, 2015 at 15:48Dear All, I am new to an  embedded world in general and to the STM32F4xx controllers in particular.  In order to learn the  trade, I got the STM32429I-Discovery board and along with the hardware, I have installed: ...

darek by • Associate
  • 925 Views
  • 1 replies
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STM32F103G: Runtime clock changes

Posted on February 10, 2015 at 14:30Currently I'm developing a battery powered application with lcd and stm32f103 (1MB).Because a full screen update is ugly-slow on 32 MHz I'm looking for ways speed up to 72 MHz. But since this doubles the current c...

Jeroen3 by • Senior
  • 1040 Views
  • 6 replies
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trying to understand EXTI example code

Posted on September 20, 2012 at 03:51I have EXTI example running on my stm32f4 board but I am having trouble changing the PIN which causes the interrupt. Here is the initialization method:void EXTILine0_Config(void)  {        GPIO_InitTypeDef   GPIO...

arro239 by • Senior
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  • 16 replies
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Max input ADC below Vss F411

Posted on March 26, 2015 at 15:01I was wondering what the negative input can be on an ADC pin. We have an analog signal that can be very rare -38mV for a short moment. In the datasheet page 60 of the F411 i can only find Absolute maximum ratings: In...

Programming error on STM32L051 during MCU in stop mode

Posted on March 26, 2015 at 14:59Hi,I am trying to program stm32l051 MCU using IAR workbench and stlink V2 debugger.I am facing an issue while trying to program it when MCU is in stop mode. In normal mode it works fine.It is also observed that durin...

krishna by • Associate
  • 439 Views
  • 1 replies
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Compatibility between STM32F427 and STM32F446

Posted on March 26, 2015 at 14:47I have an STM32F427 / LQFP144 design and am interested in migrating to the STM32F446. What changes do I need to consider (hardware and software)? Primary Peripherals: SDCARD (SDIO), Codec, SDRAM(16M x 16bit), USB (as...

ajgboomer by • Associate III
  • 406 Views
  • 0 replies
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change endian type FATFs

Posted on March 26, 2015 at 11:58i am a beginner in microcontroller coding i was playing with fatFS recently, i wrote a loop to continuously write 0x1234578    in hex form in file but from file i am geting output as  78 56 34 12 78 56 34 12i know th...

scholar by • Associate II
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  • 1 replies
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STM32L clock battery backup

Posted on July 07, 2013 at 22:56The STM32L series does no have a dedicated pin for a battery backup to keep the RTC running when the supply is removed.What is the recommended way to provide battery backup of the RTC for this series? #rtc #battery...

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