STM32 MCUs Products

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Forum Posts

Could someone explain this ''Reset Handler''?

Posted on July 20, 2016 at 00:08I am using Keil uVision, and occasionally, at start of debug, the program counter would stuck at the Rest handler routine below.  The execution would point to the instruction:       ''BLX      R0''  (line #2) and woul...

Vu.Andy by Associate III
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STM32F4 timer driven DMA

Posted on July 19, 2016 at 13:32  The original post was too long to process during our migration. Please click on the attachment to read the original post.

STM32F407VGT6 external oscillator

Posted on July 19, 2016 at 13:19Hi everyone, I have designed a board using stm32f407vgt6 and placed a 8MHz crystal oscillator with 22pF capacitors. The code I wrote works perfectly with stm32f4discovery. But when I try to use my board, it can't init...

DMA problem ?

Posted on July 19, 2016 at 13:58Dear All,I am facing a strange problem. I am using a slave SPI to transfer memory data by a DMA stream. The transfer uses 16-bit wide data. On the stm32f429 (m4) the code works very well and I can use the data. The sa...

STM32F2/F4 USB-MSC >4gb limitation

Posted on July 18, 2016 at 11:48 Hi. I have added USB Host support for MSC. It is working ok with USBs under 4gb... but it is not detected properly with USB-sticks over 4gb. I'm using library version 2.2.0, microcontroller are F2/F...

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pedro23 by Senior
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Usart 2 interrupt problem STM32F303CC

Posted on December 08, 2014 at 16:06 Hello I'm using a STM32F303CC lqfp 48 on a new product. I'm trying to use 3 Usart channels. I succesfully use channel 1 and 3 but channel 2 is acting weird. In configure the three channels all in the s...

m_ by Associate II
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DFSDM 8 serial channels but 4 filters. Why????

Posted on June 11, 2016 at 20:44I use the DFSDM in multichannel sound card USB. It is 1st time for me.I have read that the average DFSDM has 8 channels.When I started the project I have found that STM engineers added only 4 filters for 8 channels. I...

delphi by Associate II
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CubeMX 4.16.0 download checksum is bad.

Posted on July 15, 2016 at 07:04Downloading the 4.16.0 update yields the error message in the attachment.The file checksum is wrong. I tried downloading about 6 times. Same result each time.You can also correct the wording in the error message. Let ...