STM32 MPUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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]...

STM32MP157 VREFBUF enable fails

We are using STM32MP157F in our board, running OSD32MP1 Debian SDK v3.0 (Linux Kernel v5.10-stm32mp).In our board VDDA pin is connected to LDO5 at 3.3VVREF+ and VREF- pins are connected to VSSA.We cannot supply external VREF for ADC due to hardware l...

VREF-connection.png
farid by Associate II
  • 1194 Views
  • 1 replies
  • 0 kudos

How to use STM32MP157AAD3T internal clock

Dear STM:       We would like to ask some quesions about how the internal clock of STM32MP157 series chips is used, in the handware instruction manual,only the use of external  clock is introduce,How dose STM32MP157 use the internal clock? 

lingwang by Associate II
  • 2600 Views
  • 6 replies
  • 0 kudos

USB Gadget does not recognize disconnect

Hello,I'm kind of stuck with my STM32MP157C custom board. In general, everything works fine except for the USB. I'm using the new Ecosystem 5 and using the USB OTG with the NCM Ethernet gadget. My USB has no ID pin wired and is in peripheral mode all...

JSala.3 by Associate II
  • 1179 Views
  • 1 replies
  • 0 kudos

Resolved! STM32MP1 - OTG does not switch to host for data mode

Hey there,I am trying to troubleshoot the following issue for quite some time now. I am working on an stm32mp157f based board attempting to enable a combination of stusb16xx and USB OTG . The behavior I am expecting to see is that when a usb device i...

KChar.1 by Senior
  • 1001 Views
  • 1 replies
  • 0 kudos

Resolved! Disable JTAG

Good morning,I would like to know if I can disable the JTAG in the STM32MP1. Once my project is finished I do not want this interface to be active. Is there a way to disable the JTAG/SWD interface with registers/fuses/OTP?Kind regards,Andrés

AGamb.4 by Associate III
  • 1451 Views
  • 2 replies
  • 0 kudos