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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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[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
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  • 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
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  • 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...

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
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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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