STM32 MCUs Products

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Forum Posts

I2C DMA Does Not Transmit

Posted on November 06, 2017 at 22:01 Hello, I'm working to add DMA capabilities to an I2C library I've been working on, and I've been having a couple issues getting DMA integrated. I am using a ST32F4 Discovery board (F407VGT6), and I've configur...

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Write video on SD card using STM32

Posted on November 06, 2017 at 17:22Hello All I am working on a project to save video on an SD card using an Omnivision sensor (OV7725 to be specific.)I was able to store a bitmap image using DMA snapshot transfer from DCMI to SRAM and then write SR...

STM32F37 USB implemenatation

Posted on November 06, 2017 at 15:12Hello,STM32F37 reference manual rm0313.pdf Rev5 in chaper 29.3 'USB implementation' lists 2 implementations, one with 512 byte and the second with 1024 byte packet memory. There is no explanation when which implem...

open sd card in external sram

Posted on November 06, 2017 at 16:54i have a stm32f103zet6 board and trying to open SD(sdio) in external sram and to read a bmp image but when i want to open the file its getting failed. i used the library of st discovery (FSMC_SRAM_DataMemory).plea...

SPI2 peripheral on STM32L083RZ

Posted on November 06, 2017 at 08:30I have been attempting to use the SPI2 peripheral to drive a flash memory chip using the LL drivers on an STM32L083RZ without success. Microcontroller is the master and flash memory the slave.The following pins ha...

Technical douts on STM32F7 MCU(Timers)

Posted on November 03, 2017 at 13:57Hai.,I am using STM32F765BIT MCU in our application with custom board. Especially I am using this card in data acquisition system. Here the very big challenge is to measure frequency of 6 channels.(Every SEC I nee...