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STM32 ADC Vref+ & VDD

Posted on March 25, 2015 at 16:47An application requires an external Vref+ of 3.0VDC and Vref- of 0, VDD of the chip is 3.3VDC. Whats the best method to set this Vref+ to the STM32 micro controller?

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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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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