FAQs
bimorqt
Associate III
since ‎2022-07-20
‎2023-07-03

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  • 21 Posts
  • 2 Solutions
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User Activity

Wakeup from shutdown using RTC

2023-06-30
Hello everyone,I am working on a custom board based on stm32mp15x. I am trying to periodically wake up my system from the shutdown condition using the RTC. From the hardware point of view, I am using the STPMIC to restore the Vdd supply of the MPU, w...

Support for Murata 1YN CYW43439 chipset

2023-05-08
Hello everyone,I am trying to integrate the Murata Wi-Fi/BT combo module 1YN in a custom board design based on stm32mp1. The BT part works fine, while the Wi-Fi is not initialized by the system.Apparently, the chipset variant CYW43439 is not supporte...

STM32MP1 boot from EMMC

2023-04-18
Hello everyone,I have a custom board based on STM32MP157A (rev. Z) and I am trying to boot from emmc; I am able to boot sucessfully from SD card; I flashed the same image to the emmc with the ST MX Cube Programmer and, if get into u-boot from SD card...

How to enable PWR_USB_SW in STPMIC?

2023-03-27
Hello,I am working on a custom board based on stm32mp157 and I have the need to enable the PWR_USB_SW through the ST PMIC. So far, I identified the bit VBUSOTG_ON in register BST_SW_CR (0x40) but I had no success in configuring it via devicetree or v...

How to configure the SAI as slave on the I2S bus

2022-09-23
Hello everyone,I am trying to replicate this approach to integrate STM32MP1 with an external audio codec. The issue I am facing is that the sub-block SAI-A is generating the bitclock (SCK), while I need it to receive it from the external audio codec....
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