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  • AM3351: Secure Boot on AM3351 HS devices

    Part Number: AM3351 We have to install new Linux kernel on AM3351 HS device. The controller board was developed more than 10 years ago and the knowledge about signing and encrypting boot loader and kernel is not available anymore. The processor marking…

  • AM3351: Issue Booting from SPI NOR on AM3351 Custom Board

    Part Number: AM3351 Description: Our custom AM3351 board is configured with boot priority as SD Card → SPI0 NOR . The goal is to boot directly from NOR flash. The board does not include DDR, so we have optimized and reduced the SPL (MLO) size to fit within…

  • AM3351: AM3351 RTC

    Part Number: AM3351 Tool/software: is it mandatory to power on the RTC section, as we are not using the RTC
    • Answered

  • AM3351: Setting TPS65218D0PHP FSEAL bit using TI driver with AM3351

    Resolved
    Part Number: AM3351 Other Parts Discussed in Thread: TPS65218 Tool/software: Using SDK9 with AM3351 and TPS65218D0PHP, how do I set the PMIC FSEAL bit using the TI-written driver? *** 7/25/25: I'm updating this post to include my colleague's description…
    • Resolved

  • AM3351: u-boot 2026.04 defconfig Build Issues

    TI Thinks Resolved
    Part Number: AM3351 Using the U-Boot 2026.04 release, I built a MLO file based on the am335x_evm_defconfig file. Redoing the u-boot build using the 2017 Linux 4.9 product baseline ‘devel_am335x_defconfig’ file, the build fails with various ‘make’ pre…
    • Answered

  • AM3351: Current or impedance specification for VBUS analog input pin

    Resolved
    Part Number: AM3351 Hi, We are working on a design issue trying to connect an isolated USB connector to the AM3351 USB0 peripheral. Because they are galvanically isolated, we cannot connect the 5V VBUS signal on the connector directly to the VBUS pin…
    • Resolved
    • Answered

  • AM3351: USB0 in "oc suspend" with no device attached

    Resolved
    Part Number: AM3351 Attempting to bring up USB on AM335x-based custom board. The USB port is latched in "oc suspend" with no device attached.The design does not connect USB0_VBUS for isolation. Is it OK to leave USB0_VBUS sense pin floating? In the AM335x…
    • Resolved
    • Answered

  • AM3351: sha3sum removed from AM335x SDKs v09.03 and v11.02

    Resolved
    Part Number: AM3351 'sha3sum' was a busybox applet in AM335x Linux SDK v09.01 thinlinux filesystem image. It is no longer distributed in the thinlinux filesystem archive in the latest v09.03 or v11.02 SDKs. Was this an oversight, or intentional. If intentional…
    • Resolved

  • AM3351: CAN controller RX buffer overflow

    Part Number: AM3351 Hi Expert, I found an issue about dual CAN interface on Draco. The situation like below: Dual CAN interface work at the same time. The CPU info like below: root@fs360d-xc720:~# cat /proc/cpuinfo processor : 0 model name…

  • AM3351: External DDR3 DIMM module ... DDR training fails

    Part Number: AM3351 I’m working on a small industrial automation prototype (PLC-style controller for sensor data logging and HMI control) using a TI Sitara AM335x processor. This is partly a learning/hobbyist project, but I’m trying to follow industrial…

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