Frequent Questions

  • [FAQ] MSPM33C321A: How to modify NONMAIN flash on MSPM33

    Part Number: MSPM33C321A Other Parts Discussed in Thread: SYSCONFIG 0. Before Modifying NONMAIN If NONMAIN flash is erased unexpected, or not correctly programmed, it may lead to MCU lock and cannot be recovered forever. So please modify NONMAIN carefully…

  • [FAQ] MSPM33C321A: Workaround for re-use I2C pin as shutdown wakeup pin in usage 'Retaining IO State Through Bankswap'

    Part Number: MSPM33C321A Other Parts Discussed in Thread: SYSCONFIG 1. Background MSPM0/M33 support a method to retain IO state through bankswap( MSPM0/M33: Retaining IO State through Bankswap ). In this usage, shutdown wakeup will be used for BOR…

  • [FAQ] TDA4VH-Q1: How do I build firmware and replace it in a Yocto build?

    Part Number: TDA4VH-Q1 I have built specific firmwares for my applications, and I need to replace the firmware pulled into my Yocto build. How do I do this?

  • [FAQ] How to sign JTAG unlock certificate with the imported keyring key on AM6xx

    Part Number: AM625 SYSFW/TIFS supports keyring import on AM6xx SoC https://software-dl.ti.com/tisci/esd/latest/6_topic_user_guides/keyring.html https://software-dl.ti.com/tisci/esd/latest/2_tisci_msgs/security/keyring.html The imported key can be…

  • [FAQ] ADT7420 & ADT7422 EOL Replacement | TMP117 I2C High-Accuracy Temperature Sensor

    Part Number: TMP117 Other Parts Discussed in Thread: TMP116 Is there a fit replacement for the discontinued ADT7420 and ADT7422 temperature sensors?

  • [FAQ] RM57L843: Effect of Different Reset Sources on RAM Contents

    Part Number: RM57L843 In this FAQ i want to demonstarate "Effect of Different Reset Sources on RAM Contents of RM57L843". Even though i tested for RM57x the same results should be applicable for other Hercules controllers like TMS570LCx, TMS570LSx…

  • [FAQ] LMR43620: Inductor Selection

    How is inductor chosen for a buck device ?

  • [FAQ] DP83826AE: How do I use a PHY's Cable Diagnostics feature?

    Part Number: DP83826AE DP83826A Diagnostics Guide.pdf

  • [FAQ] How to boot SK-AM62B via Ethernet

    Part Number: AM625 Other Parts Discussed in Thread: SK-AM62B This FAQ goes over how to boot the EVM into the u-boot environment via Ethernet, then fully boot the EVM with either DHCP/TFTP or eMMC. This FAQ is divided into 3 sections How to boot…

  • [FAQ] AM6442: Enabling SOP8 208mil and SOP16 300mil Co-Layout for Winbond Flash in a Single PCB Design

    Part Number: AM6442 Just a quick information share for anyone who may encounter a similar situation. I recently heard from a designer working on an AM6442-based project who faced a PCB layout challenge due to component sourcing flexibility requirements…

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