Resolved! DDR VTT Power Supply Issues
My device is quite power-sensitive. If I use a single DDR3L module with an STM32MP157 or 135, can I eliminate the need for a VTT power supply?
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Request for IBIS model for STM32MP157CAC3 DDR + high-speed IO (DDR, SDMMC, Ethernet)
Dear ST Community,I am currently working on a custom hardware design based on the STM32MP157CAC3 MPU, which includes LPDDR3 memory (Micron MT52L256M32D1PF) and multiple high-speed interfaces.As part of my signal integrity and high-speed design valida...
About eMMC memory connection for STM32MP157AAB3
Is it okay to use the following connection for eMMC memory on the STM32MP157AAB3?Also, is it possible to set the eMMC memory to boot mode with this connection?PB14:SDMMC2_D0PB15:SDMMC2_D1PB3:SDMMC2_D2PB4:SDMMC2_D3PB8:SDMMC2_D4PB9:SDMMC2_D5PC6:SDMMC2_...
STM32MP215 with DDR3L pin naming ambiguity
In the RM0506 rev. 1 file in chapter 14 (DDRPHYC), the DDR3L pins don't match the reference schematic in the examples-of-ddr-memory-routing-on-stm32mpus.zip file.In the STM32MP21XXAN_DDR3L-[No Variations]-A01_Schematic.PDF project, the DDR_A8-DDR_A31...
![STM32MP21XXAN_DDR3L-[No Variations]-A01_Schematic.PDF.png](/t5/image/serverpage/image-id/130946i88E910CC96A1DCEA/image-size/medium/is-moderation-mode/true?v=v2&px=400)
USB3DR Peripheral Mode on STM32MP257F-DK
Hi all,I'm trying to get a USB Gadget device working in Linux on the STM32MP257F-DK board to expose a Mass Storage device to another system. I'm trying to use CN15 for this function but I can't get the bound gadget to show up on the other side of the...
Resolved! STM32MP1 DDR Routing Rules
I entered the lengths of the DDR traces from the ST official evaluation board into Excel, and the maximum length deviation is 3 mm. Is the trace routing on the evaluation board reasonable, and can I reuse it directly on my own board?
STM32MP157 USB OTG host mode with internal FS PHY issue
Hi,We use the USB OTG controller in host mode with its internal FS PHY.Our DT node is the following:&i2c4 { ... pmic: stpmic@33 { compatible = "st,stpmic1"; ... regulators { compatible = "st,stpmic1-regulators"; ...
STM32CubeMX Device Tree file naming does not match Developer Package helper scripts
Following the guide for the Developer Package, it describes creating a helper script for your custom board. Thhat works great and helps get you going. So, I generated a STM32CubeMX project and built it. Device Tree files are generated accordingly. ...
Bug/Issue in helper scripts
Following the tutorial here, when I get to the step "To generate binary to flashing via Cortex-A", the helper script fails to build when given the 'programmer' argument. The problem appears to be incorrect configuration of the path to a device tree ...
Where is the noise reduction control in STM32MP257 ISP?
Platform:SoC: STM32MP257Sensor: GC05A2 (5MP)Interface: CSI-2 Issue:I'm working on camera integration with GC05A2 on STM32MP257. The raw image quality is acceptable, but after enabling AWB and CCM in the ISP pipeline, the output image shows severe noi...
