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Frequent questions

  • [FAQ] AM64X/AM62X: How do I route the same GPIO bank interrupts to different destination cores?

    Part Number: AM6442 How do I route the same GPIO bank interrupts to different destination cores? Example: I want to route the GPIO0_37 pin interrupt to R5F0_0 and the GPIO0_38 pin interrupt to R5F0_1. when I was selecting the above pin combination…

  • [FAQ] AM625: Long Term Effects of Simultaneously Power-Down Sequencing of all Voltage Rails

    Part Number: AM625 I'm working with a customer that is using the TPS6521908 as their PMIC, and therefore, should in nearly all cases have a controlled power-down sequencing of all the AM62x voltage rails. However, it is still possible that they could…

  • [FAQ]: Transitioning the GPIO userspace interface from SYSFS to Chardev

    This information applies to Linux SDK Version 9.0 and prior. For more up to date information, refer to this FAQ: https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1494485/faq-processor-sdk-getting-started-with-gpios-in-linux-using…

  • [FAQ] SK-AM62: How to build initramfs into kernel Image

    Part Number: SK-AM62 There are cases the initramfs should be used for Linux root filesystem. Please see the kernel documentation < Documentation/filesystems/ramfs-rootfs-initramfs.rst > for the details of initramfs. There are two ways to use initramfs…

  • [FAQ] TDA4VM: How to reduce the EthFW initialization time to avail CPSW H/W Switch functionality as soon as possible after the core boot up in Vision Apps use-case?

    Part Number: TDA4VM How to reduce the EthFW initialization time to avail CPSW H/W Switch functionality as soon as possible after the core boot up in Vision Apps use-case?

  • [FAQ] TDA4VM: How do I enable CAN channels on Gateway/Ethernet Switch/Industrial (GESI) expansion card when using J721E EVM from Linux A72?

    Part Number: TDA4VM How do I enable CAN channels on Gateway/Ethernet Switch/Industrial (GESI) expansion card when using J721E EVM from Linux A72?

  • [FAQ] How to set up an EtherCAT System with AM6xx MainDevice and AM64/AM243 SubDevice using CODESYS Development System

    Other Parts Discussed in Thread: UNIFLASH This FAQ walks the user through setting up an industrial networking EtherCAT system in CODESYS using an AM6xx MainDevice and one-or-more AM64x/AM243x SubDevice(s). Instructions are provided to set up MainDevice…

  • [FAQ] TDA4VM: OpenVX Host on R5F and node Target on A72 (Linux)

    Part Number: TDA4VM How to run OpenVX Host on R5F and a node to run on A72 (Linux) as target?

  • [FAQ] AM623: Decoupling caps on CAP_VDDSx

    Part Number: AM623 Champs, Customer's asking what will happen if the decoupling caps on the CAP* nets below are not installed correctly? Will the device's behavior be well defined in this case (i.e. fail to boot etc) or would it be more sporadic based…

  • [FAQ] AM6x: Yocto build "hangs" for hours with no progress - What's going on?

    (applicable to all TI Sitara and Jacinto devices such as AM62x, AM62Ax, AM64x, AM65x, and so on) Symptoms When doing a Yocto build as per SDK instructions for example of the SDK default image like this... MACHINE=am62xx-evm bitbake -k tisdk-default…

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