Frequent Questions

  • [FAQ] What are the differences between Ground-Level Translators and Digital Isolators?

    FAQ: Logic and Voltage Translation > Ground-Level Translators >> Current FAQ Ground-Level Translators Digital Isolators GNDA to GNDB Difference 80V 3kVrms Galvanic Barrier No Yes GNDA to GNDB Leakage (VCC to GND…

  • [FAQ] J721S2XSOMXEVM: Enable WKUPUART for boot logs in SPL ?

    Part Number: J721S2XSOMXEVM Tool/software: How to enable wkup uart for for getting the boot logs?

  • [FAQ] TDA4AEN-Q1: Build Yocto on portable disk and share between different PC

    Part Number: TDA4AEN-Q1 Tool/software: Yocto build requires good internet connection, large storage space, large ddr memory on host pc and strong CPU. For small groups without a strong server, building yocto on a portable device like a removable disk…

  • [FAQ] DRA821: SPL BOOT without A72 SPL on J7200 on 10.1 SDK

    Part Number: DRA821 Tool/software: How to enable Falcon Boot Mode on J7200? Boot Flow: R5 SPL -> ATF -> OPTEE -> U-BOOT -> Kernel Regards Gokul

  • [FAQ] AM263P4: Enabling GPIO interrupt in MCAL for AM263P4

    Part Number: AM263P4 Tool/software: In this FAQ i will show you the configurations required to enable the interrupts for p ins MCU_GPIO64 and MCU_GPIO63 in MCAL for AM263P4.

  • [FAQ] How to avoid crashing the DM R5F when writing custom DM R5F firmware

    Parts Discussed in Thread: AM62x, AM62Ax, AM62Dx, AM62Px The primary role of the Device Management (DM) R5F core is to run the DM task. However, on some devices (not all devices!), TI supports writing custom code to run on the DM R5F, alongside the…

  • [FAQ] SBL boot: How to find the DM R5F firmware that is loaded by SBL

    Parts Discussed in Thread: AM62x, AM62Ax, AM62Dx, AM62Px The primary role of the Device Management (DM) R5F core is to run the DM task. However, there may be other non-DM code running on the DM R5F, alongside the DM task. The firmware running on the…

  • [FAQ] BQ25611D: What is the function of the /QON pin on BQ2561x?

    Part Number: BQ25611D Other Parts Discussed in Thread: BQ25619 , BQ25618 , Tool/software: The /QON pin has multiple functions on the BQ25611D, BQ25618/E, and BQ25619/E and is pulled up internally. The only thing connected to this pin should be some switch…

  • [FAQ] BQ25611D: Why do I have to read the fault status twice to see the cleared fault on BQ2561x?

    Part Number: BQ25611D Other Parts Discussed in Thread: BQ25619 , BQ25618 , Tool/software: When a fault occurs on BQ2561x an /INT pulse is sent to the host. For the BQ25611D, BQ25618/E, and BQ25619/E the fault status in REG0x09[7:0]/REG0x0A[6:4] are…

  • [FAQ] BQ25611D: What is ship mode and how do I enter and exit it in BQ2561x?

    Part Number: BQ25611D Other Parts Discussed in Thread: BQ25619 , BQ25618 , Tool/software: The BQ2561x has a mode to minimize quiescent current for the BQ25611D, BQ25618/E, and BQ25619/E from the battery in cases when the system load is not needed to be…

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