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Frequent questions

  • [FAQ] TDA4VH: Enable Falcon Boot Mode in J784S4

    Part Number: TDA4VH How to enable falcon boot on J784S4 11.02 Linux SDK ? Boot Flow: R5 SPL -> ATF -> OPTEE -> Kernel Regards Gokul

  • [FAQ] TDA4VL-Q1: POK Untrimmed Bandgap Configuration Issue

    Part Number: TDA4VL-Q1 POK (Power OK) undervoltage detection fails during software diagnostic testing in the bootloader, causing boot failures in approximately 1-3% of devices. The POK diagnostic module fails to detect undervoltage events even when…

  • [FAQ] PRU Arbitration Delay

    I am writing a PRU application for a PRU-ICSS device (AM261x, AM263Px, AM263x, AM335x, AM437x, AM57x)**, PRUSS device (AM62x), or a PRU_ICSSG device (AM24x, AM64x, AM65x). Arbitration delay can add additional clock cycles to a PRU read or write command…

  • [FAQ] PRU Read & Write Latencies

    I am writing a PRU application for a PRU-ICSS device (AM261x, AM263Px, AM263x, AM335x, AM437x, AM57x), PRUSS device (AM62x), or a PRU_ICSSG device (AM24x, AM64x, AM65x). I want to calculate how many clock cycles a read or a write will take. How do I do…

  • [FAQ] AM62A7: Early MCU_I2C and MCU_UART response

    Part Number: AM62A7 Other Parts Discussed in Thread: SK-AM62A-LP Can you let me know the steps I can use to reduce the MCU_I2C & MCU_UART response time using MCU+SDK/FreeRTOS SDK and the method to measure this time?

  • [FAQ] AM6442: MPU ARMv7 configurations for Serial OSPI/QSPI Flash

    Part Number: AM6442 The MPU ARMv7 flash region must be configured with appropriate memory attributes and access permissions to enable flash write operations. Incorrect configurations such as read-only permissions, misaligned region boundaries, or improper…

  • [FAQ] How to boot ECDSA key signed Linux SDK on AM6x SoC

    Part Number: AM62P K3 SoC (AM64x, AM62x...) have a set of One-Time Programmable (OTP) efuses which is anchoring Root-of-Trust (RoT) secure boot chain. Linux SDK supports the RSA key signed secure boot [1]. The FAQ discuss how to enable ECDSA key signed…

  • [FAQ] AM62 devices: How to access MAIN domain MCAN from MCU domain core when using MCU+SDK?

    Other Parts Discussed in Thread: AM62P How can I access MAIN domain MCAN instances (MCAN0/MCAN1) from MCU domain cores (MCU R5F or M4F)?

  • [FAQ] AM62L: How to use RTC driver in MCU+SDK in AM62L?

    Part Number: AM62L Other Parts Discussed in Thread: SYSCONFIG What are the steps to add the RTC driver and test the working in AM62L in MCU+SDK?

  • [FAQ] AM64,AM243: How to optimize authentication time in SBL to achieve fast boot?

    Part Number: AM6442 Is there a way to optimize the authentication time for AM64 and AM243 devices, as it is currently too large and is impacting the overall boot time?

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