STM32 MCUs Products

The problem with the interface QUAD SPI

Posted on June 07, 2016 at 01:59I have STM32F746BGT6 chip and flash memory W25Q64BV - soldered on its own breadboard.Connecting legQUADSPI_BK1_IO0 - PF8QUADSPI_BK1_IO1 - PF9QUADSPI_BK1_IO2 - PF7QUADSPI_BK1_IO3 - PF6QUADSPI_BK1_NCS - PB6QUADSPI_BK1_C...

Stm32f407VG using break input (Ä± could't understand it)

Posted on June 07, 2016 at 14:55Hi all, I try to understand break input.I read break input title in datasheet.Refer to ''The break functionprotects power switches driven by PWM signals generated with the advanced timers.'' in the datasheet. But I ...

Avoid ''SD card transfer complete wait'' in case of DMA

Posted on June 07, 2016 at 08:02Hi,I am working on STM32L4xx MCU. I have connected MicroSD card of 8GB size over SDMMC interface. And I am using DMA for write to the SD card.Now, DMA is used to keep the MCU free during that time of data transfer. Bu...

USB/Startup Problem with the new STM32F429 [V2]

Posted on June 07, 2016 at 11:40Hello,my problem should be simple to solve, but due to it's rather undocumented nature I resort on posting it to this forum. When plugging in the STM32F429 board into a pc, it gets detected as flashdrive with around 2...

Resolved! Please help on the filename problem for microSD card

Posted on June 04, 2016 at 01:37 I developed a board using STM32F411 chip with uSD card.The code is generated by cubemx. only add a little bit code in main(). The hardware is OK. I can correctly write a file to sd card. But the weird thing is th...

Timer Output Compare mode change in STM32F4

Posted on May 30, 2016 at 10:31Hi!I'm trying to run a bldc motor with stm32f407 IC. The most common method to do that is six-step mode control. I configured TIM1 in complementary mode. but as you know, timer mode must be changed during each step.For...