STM32 MPUs products

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STM32MP1 - Bare metal on A7

Hi,I have a current project using the M7 that I need to port over to the A7. The goal is to be running bare-metal code on the A7, like we are on the M7. Currently, I am following this open source guide to run bare-metal on the A7 and it seems to work...

mkurtz by Associate II
  • 1285 Views
  • 6 replies
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switch off/on pmic

HI,Voici mon problème, Sur ma carte éléctronique, j'ulise un stm32mp15 ave le pmic de ST. J'utilise la broche LD02 du pmic pour allimenter un récépteur GPS (relié sur l'uart 7) que j'aimerai pouvoir couper/allumer (depuis le user space) pour des ques...

ABouc.1 by Associate
  • 479 Views
  • 2 replies
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Resolved! USB HID doesn't work without hub

Hi, when I inserted keyboard/mouse to USB host port, nothing happened (log console) and this even cause usb host stop working then.But when I inserted keyboard/mouse to a hub and connect this hub to usb host port, everything working fine.The problem ...

Dat Tran by Senior II
  • 1939 Views
  • 2 replies
  • 1 kudos

Resolved! U-boots hangs when trying to load u-boot environment

I am booting from EMMC with this flash layout./dev/mmcblk1p1 : start= 34, size= 1024, type=8DA63339-0007-60C0-C436-083AC8230908, uuid=077BFE04-5B1A-41F8-8DC2-B47FCC4EA832, name="metadata1"/dev/mmcblk0p2 : start= 1058, size= 1024, type=8DA63339-0007-6...

edwardmcl by Associate II
  • 1164 Views
  • 7 replies
  • 0 kudos

STM32MP157CACxx: 32 bits LPDDR3 support?

Hello,I'm considering to use Kingston 04EM04-N3GM627 as the memory and storage for STM32MP157C/F with 32-bit LPDDR3 support. The Kingston part has 16M words × 32 bits × 8 banks, but the evaluation board uses two 16 bits memory parts. Is this Kingston...

fcl by Associate
  • 514 Views
  • 2 replies
  • 0 kudos

How to properly intiate boot sequance of stm32mp1?

I am upgrading from ecosystem 4.1 to 4.0. after changing every thing properly in the device tree. and now i successfully compiled the image partitions using bitbake how ever when i boot using the flashed images every thing works correctly utill i rec...

iheb by Associate III
  • 2555 Views
  • 13 replies
  • 5 kudos

RTC Clock Source Selecton Issue - STM32MP135F

Hi,I'm having an issue with RTC module. getting an error due to no clock source is connected to rtc_ck:[ 3.645423] stm32_rtc 5c004000.rtc: rtc_ck is slow[ 3.749902] stm32_rtc 5c004000.rtc: Can't enter in init mode. Prescaler config failed.[ 3.756489]...