STM32 MCUs Products

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Resolved! QSPI dual flash - addressing

I'm porting a QSPI bootloader over from a design that 1 flash chip to 2 flash chips in parallel (10 bit mode, common CS).  I am not sure how the addressing works now that there are 2 chips in parallel.  I feel like the only thing STM32 says on the ma...

da66en by Associate II
  • 3394 Views
  • 5 replies
  • 2 kudos

How do I get the frequency of a timer in STM32F769I?

Posted on January 19, 2018 at 13:38I am working with the STM32F7691I-EVAL board and I would like to determine the frequency of any given timer:GET_TIMER_FREQ(TIMx)The macro/function should be able to determine the frequency regardless of which clock...

arnold_w by Senior II
  • 7807 Views
  • 5 replies
  • 3 kudos

Resolved! Problems with ST-LINK/V2

Hi,I recently bought a ST-LINK/V2 dongle and it didn't work. I checked the insides of it to see that the microcontroller inside wasn't an ST one, but a Geehy clone microcontroller. I bought another, which was not a dongle, it was the larger white ver...

JS8 by Senior
  • 9492 Views
  • 7 replies
  • 1 kudos

Resolved! Interface with external ADC via SPI at 1MS/s

Hi all,I am using the NUCLEO-F446RE with the STM32F446RE. I am trying to interface with an external dual sampling differential ADC: ADS9224R.ADC Timing DiagramThe ADC can provide samples at up to 3M/s. I would be happy to achieve ~0.8M/s sampling.I h...

0693W00000KZlwCQAT.png 0693W00000KZlxPQAT.png
CPurc.1 by Associate II
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  • 27 replies
  • 0 kudos

STM32L083 UART receives only one byte

Hi,I am trying to receive data (on STM32L083) via USART1, the way I was used to doing it on STM32L071. Specifically, I used a circular buffer that was continuously written to by DMA - RX. Now, I've ported the code to this L083 and it seems that nothi...

JR2963 by Senior II
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  • 8 replies
  • 2 kudos

Maximum analog output voltage from STM32H723ZG

Hi, which is the maximum analog output voltage from the STM32H723ZG? In the datasheet I saw that there are two Op-Amp inside the MCU with gain from 2 to 16. How can I use this Op-Amp? I have to do something about the hardware or I have just to write ...

ECiot.1 by Associate II
  • 1942 Views
  • 5 replies
  • 0 kudos