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Posted on January 11, 2016 at 12:03 hi I am writing to Micro SD cards over SDIO. What I have noticed is that sometimes, the write cycle seems to take longer for no reason. And the longer cycles are almost exactly the same length. I use a LED t...
Posted on September 29, 2014 at 02:28Hello everyone:Here is my problem.I am using the STM32L152. When I execute the WFI instruction, the processor goes to sleep just fine. However, when it wakes up from an external interrupt line, the processor imme...
Posted on January 06, 2016 at 19:57I'm working on a usb project based on the STM32F469I-Discovery. My project use STM32F4xx_DSP_StdPeriph_Lib_V1.6.1, however it always occurs some error when usb device plugged.Finally, i find the function RCC_PLLSAI...
Posted on January 12, 2016 at 15:40Hi,First of all sorry for bad English.I had designed a PCB for STM32F103 micro-controller for my specific job. The thing is micro-controller works fine when J-link is connected. J-link programmed micro with no erro...
Posted on November 09, 2014 at 13:21 The Explorer STM32F407Development board is developed by ALIENTEK ，It is a very powerful, Here is the main features: 1，support AVIvideo play。up to 25fps for 320*240 and 10fps for 480* 2,support mp3/wav/flac/...
Posted on January 09, 2016 at 20:36Hi.I tried to put code in a CCM RAM (STM32F303) as described in AN4296 and I was very impressed. It was more than 30% faster, than if the code is in flash.Mentioned PDF (AN4296) says that it is not recommended to p...
Posted on January 08, 2016 at 19:21 The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on January 11, 2016 at 16:33i am going to connect stm32f103rct6 to ZM serial camera 320x240 pixel, 30fps. i see this camera probably easier than ov7670. i have used stm32f4 with ov7670 but it really hard and difficult, so i want use stm32f103...
Posted on January 08, 2016 at 15:28Hi I'm stuck in my project by this spi problem. What i do is simple, i send a data from a stm32f0 (master) to another one (slave) but here is the problem: while i see on the scope the good frame, the slave device d...
Posted on January 11, 2016 at 16:44 Hi,i am working with Stm32f072 microcontroller and i can send datasuccessful.But my code doesn't enter usart interrupt.My code is below,thanks for your support. void USART_Configuration() { GPIO_InitTyp...
