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STM32L151 ADC in scan mode

Hi,I'm trying to use the ADC1 of the STM32L151CBT6A in scan mode for 14 channels (with interrupt) . Depending on ADC clock and SamplingTime configuration I got only a channel on 2. If I put sampling time lower than 96 cylces (for prescaler 4) I have ...

MAlle.17 by Associate
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Resolved! QSPI TCIE self clearing? STM32H743I QSPI peripheral sometimes hangs Writing to external flash via QSPI transmit using MDMA and both MDMA and QSPI interrupts. Sometimes the QSPI peripheral gets hung up indefinitely.

With the ICD I found that sometimes, between the MDMA IRQ Handler - where the QSPI TCIE bit is set, and the QUADSPI_IRQHandler, the TCIE bit is cleared. But I haven't been able to determine where or how it is being cleared; I've eliminated all loca...

Araknai by Associate
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STM32F745TI6 prototype problem SWD not connecting.

Hi,This was part of another (unrelated) thread which did not get timely attention.Prototype sketch:Cube programmer screenshot:CubeMX ioc file attached.The PCB manufacturer allows window of one week to submit a modified prototype within the same quota...

0693W00000KaAA3QAN.jpg 0693W00000KaAArQAN.jpg
ksale.1 by Senior
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GSaw by Associate II
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How can I calculate and set blanking window width of COMP1?

I have an SM32H723 NUCLEO-144 board. I successfully implemented COMP1. It works, but I have some bouncing at the rising and falling edges (100Hz signal). I found a COMP_OutputBlanking example for NUCLEO-H7A3ZI-Q (No blanking example for NUCLEO-H723ZG...

Louie88 by Senior
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  • 1 replies
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F411 LL SPI-DMA callback delay too long

My code is based on LL SPI-DMA example.The original code does not have chip select, so I use one GPIO pin as CS pin. /* Start SPI Tx/Rx */ ADC_CS_Low();   /* Enable DMA Channels to start Tx/Rx */ LL_DMA_EnableStream(DMA2, LL_DMA_STREAM_2); L...

HDaji.1 by Senior
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  • 4 replies
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