STM32 MCUs Products

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Forum Posts

Cube F4 v4.3 and SDIO SD_TX_UNDERRUN error

Posted on July 16, 2014 at 07:46Hi All,Using the standard Cube (F4 v1.30) HAL_SD drivers, I randomly get the SD_TX_UNDERRUN'' error when writing using HAL_SD_WriteBlocks().It happens totally at random.I have tried:- using older libraries - same resu...

Questions regarding implementing a UART_DMA Receiver.

Posted on March 03, 2015 at 20:35Hi ST Forum,I want to implement a DMA RS232 device (with a MAX232 transceiver), where if the master sends a certain message (e.g. 0x01), then the STM32 will send back a certain message (e.g. 0x02). I got the DMA Tran...

How exactly DMA offloads processor/controller?

Posted on March 20, 2015 at 13:58I know DMA acts as a channel where the CPU gets bypassed while data is transferred between Memory/ Peripheral,and in the mean-time CPU can execute useful operations..But my question is ...If the DMA transfer is going...

spi chip enable strobe

Posted on March 24, 2015 at 14:39I need to transmit 5 bytes and after strobe ''update pin'' on ad9951 over and over again with speed about 300-400khz. Start every time transmission for each 5 bytes and strobe on tx complete - will not make it, it's ...

silent by Associate II
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STM32F10x UART tx hyperterminal

Posted on March 24, 2015 at 14:45Hello,I want to sent some characters to a hyperterminal program. But my program wont work..I dont receive any characters in my hyperterminal. I am using the STM32-P107 development kit. The controller on it is the STM...

nick2 by Associate II
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  • 15 replies
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what is the injected mode for adc?

Posted on March 20, 2015 at 15:59hello every one i have a quastion 1-what is injected mode? 2- what is different between regular mode and that? thanks for your answer

os1361 by Associate II
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  • 4 replies
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STM32F030 SPI Data packing problem

Posted on March 25, 2015 at 10:23Hi all, I'm using STM32F030 and want to send 8 bits data using SPI1. I set data frame size to 8 bits but the SPI sends 16 clocks and the 8 bits data is sent during first 8 clocks.  The documentations of the STM32F030...

donev_g by Associate II
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