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Resolved! Random generator

Hi I am using STM32G030K8.      as there is no TRNG options I am doing the ADC noise values to generate a 8 bit number.The MCU is supplied with 2.2V supply .I am using both mains and battery for my operation.However if battery is  removed Im not gett...

meena by Associate III
  • 167 Views
  • 5 replies
  • 4 kudos

stm32g0b0ce flash page erase issue

Hello folks I am using the first bank for the firmware and the second bank to save a bunch of parameters. When the fw receives a command via uart, it updates the parameters erasing first and then writing groups of 8 bytes. When I try to erase the fir...

max65 by Associate
  • 91 Views
  • 2 replies
  • 0 kudos

low power with STM32U5 and LPUART

I'm trying to port code from STM32L4 to STM32U5.The STM32L4 code was using the LPUART, with a baudrate of 20k, clocked with HSI but in stop2 mode the HSI was stopped, it was able to wakeup and read incoming data. This configuration was using ~10uA.I'...

nicolas by Senior
  • 174 Views
  • 8 replies
  • 3 kudos

interfacing RMII and configuring its clock

I'm trying to get the ethernet initialization work. I am currently dealing with MX_ETH_Init(); failing in error handler as the software reset is not happening with the phy driver. I believe my clocks are not configured properly as per manual :    As ...

surendersampath_0-1732206016954.png surendersampath_1-1732206051507.png

STM32L431 firmware update

Hi, I try to update the firmware of an STM32L431 with another microcontroller. I use a UART interface to do that. As described in AN3155 §1, I send the 0x7F after managing the Boot0 and reset pins, and I wait for the 0x79 (Ack). But the STM32 answer:...

STM32 How to use LTDC

Hi, I designed a board with uC STM32H743 that works with a 480x800 display connected through the LTDC peripheral, I don't quite know how to use the LTDC, I don't have ram for the buffer of the entire display. What I can do is fill the background with...

kulfi27 by Associate II
  • 237 Views
  • 3 replies
  • 1 kudos