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I2C SCL and SDA low reading PCF85063 registers

Hi all,i'm developing firmware for STM32MP135F-DK board to communicate with some external chips in I2C1.No problems if I communicate with other I2C chips (clockgen, eeprom, io expander).Communicating with the RTC PCF85063 chip happens that no problem...

SteMMo by Associate III
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stm32mp257f-ev1 USB_DRD (CN15) configuration

Hello,I notice that on stm32mp257f-ev1 board the USB_DRD port (CN15) is active only if USBPD_DRPSI_CM33_NonSecure_stripped.elf firmware is running.  I need to run a different firmware on M33 while using the USB_DRD port. Searching in board's DT I fou...

MBassi by Associate III
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  • 2 replies
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IMX335 Camera Image Quality Issues on STM32MP257F-DK

Working with STM32MP257F-DK + IMX335 camera + Quectel EG916Q-GL modem. Successfully recording to eMMC but facing image quality issues:Yellowish tint, Overexposure, White lines in recorded videoVideobalance settings (brightness=0.2, contrast=1.2, satu...

koushik by Associate
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  • 3 replies
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STM32MP157 USB enumeration question

Hello, I would like to ask a question about the U-Boot USB enumeration of STM32MP157:Using a custom board with the STM32MP157 (FUSB302MPX), openSTlinux6.6,:Problem description:Through "STM32_Programmer_CLI -c port=usb1 -d ../../FIP_artifacts/arm-trus...

SullyNiu_0-1747302584625.png SullyNiu_1-1747302596632.png
SullyNiu by Associate II
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Resolved! How To Flash OTP Using STM32CubeProgrammer

Hello,I have tried following the https://wiki.st.com/stm32mpu/wiki/STM32CubeProgrammer_OTP_management to achieve this.I have tried configuring CFG_BSEC_PTA=y CFG_STM32_BSEC_WRITE=y CFG_WITH_USER_TA=yinto the meta-st-stm32mp bsp and verified that it w...

Resolved! STM32MP2 Layout requirements, Starting point

HelloI'm considering the requirements and learning process for designing a board with the STM32MP2.I've never done DDR4 routing before—what's the best starting point?Also, is it feasible to design such a board using a tool like KiCad, or is a tool li...

kbch by Associate III
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  • 6 replies
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Core1 Wake-up Issue During SD Card Boot on STM32MP257

HelloWe are currently attempting to boot both Cortex-A35 cores of the STM32MP257 processor using an SD card. While we have successfully verified that both cores function independently under bare-metal conditions, we are facing challenges in waking bo...

Aks by Associate III
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  • 7 replies
  • 0 kudos