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Absolute minimum One Pulse response time STM32H757

Is the minimum response time of a OPM trigger defined anywhere?  I'm measuring a delay of 50-100ns.  I was hoping it would be at maximum a couple clock cycles, but I may be naive. Running on CM4 at 200MHz of the STM32H757i-eval, using Timer8, Trigger...

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JJordan by Associate II
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  • 10 replies
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Using STlink /V2 to program my NUCLEO-F103RB

I am trying to talk to my NUCLEO-F103RB board via my st-link/V2 B202016 but so far I have not been able to. Below is an image of my connectionBelow is an image of my jtag connect I have connected the pins in following order JTAG_Pin 19 -> (Nucleo Boa...

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ADC multichannel wacthdog interrupt

Hi all.I'm working on a project with STM32H7 and I've got a question:I'm doing some experiments with ADC multichannel and wacthdog enabled to launch an interrupt of One of the Channel measured level passes the alert level (High threshold).Everything ...

Resolved! Trying to access STM32L072CZ AHB2 addresses from SWD

Hi,New to STM32 I'm discovering the STM32L072CZ, I'm trying to access the AHB2 bus by SWD interface in order to r/w on addresses (say 0x4800 0000 on peripheral GPIOA). When performing a coresight read on 0x48000000 I got 0xBC11477.After checking Ultr...

NKA by Associate II
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  • 2 replies
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Resolved! Error in RM0490 Rev. 4 Section 6.2.6

Status bits in the RCC internal clock source calibration register (RCC_ICSCR) indicate which clock(s) is (are) ready and which clock is currently used as a system clock.Should be the following:Status bits in the RCC clock control register (RCC_CR) in...

MorganG by Associate
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  • 2 replies
  • 1 kudos

DP83848 Tx not working

Hi all,we have a custom board with STM32H753 MCU and a DP83848 PHY. When configuring the PHY in loopback mode I can send and receive messages as expected. But when not in loopback mode we can receive data but the Tx path is not working.As the loopbac...

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ingdb by Associate II
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  • 6 replies
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Resolved! Does the STM32F446RE have FMC?

There seems to be conflicting information about FMC support on the STM32F446RE board. As the spec sheet says that it doesn't have support for FMC while the stm32f4 series product page says it has FMC. I have attached some files showing this contradic...

ibxx0402 by Associate II
  • 2487 Views
  • 13 replies
  • 3 kudos