About AMerc.8

AMerc.8 · 2023-04-19

I am having some issues getting meaningful values out of my ADC. At the moment I am capturing ADC samples with the polling mode with the ADC pin being set to approximately 3.2v and 0v. When I check the sample results I am seeing around 20000 for capt...

AMerc.8 · 2023-03-27

I have been having a bit of trouble getting an SPI CS line to behave as I expect it should. I have attached a snippet from the technical reference manual below that describes the operation modes of the CS line:I am currently trying to send packets of...

AMerc.8 · 2023-03-23

Hello all, I am currently working on a project with the STM32H743VIHX and I have been having some issues getting SPI communication with an external DAC working. The test I have built is supposed to transmit 24bits of data to the external DAC and reco...

AMerc.8 · 2023-04-19

This ended up being a dumb measurement error on my part

AMerc.8 · 2023-03-27

When I set the logic analyzer to capture at 100M I get the following:and when I set it to 50M I get the same plot as before:

AMerc.8 · 2023-03-27

The logic analyzer I am using is 50M and I currently have the SPI transmission speed set to 390.625 KBits/s. I have moved the ground from the supply to the chip itself and I am getting the same issue. I will try swapping the cables out for something ...

AMerc.8 · 2023-03-23

I ended up figuring out the Issue. IWDG1 is activated by default when generating the Hal files, disabling it fixed my issue.

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STM32H743 Incorrect ADC measurement.

STM32H7 SPI CS Question

SPI Repeated Transmission Issue [Possible Processor Reset Problem]

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Re: STM32H7 SPI CS Question

Re: SPI Repeated Transmission Issue [Possible Processor Reset Problem]