Frequent Questions

  • [FAQ] PGA900: Questions Regarding the Coefficients Used in the PGA900, PGA300, PGA302, and PGA305 Devices

    Part Number: PGA900 Other Parts Discussed in Thread: PGA300 , , PGA305 Tool/software: I'm trying to understand the polynomial used for the linearization and temperature compensation. How do I calculate the coefficients and how are they used?

  • [FAQ] PGA900: Questions Regarding the EEPROM used on the PGA900, PGA300, PGA302 and PGA305 Devices

    Part Number: PGA900 Tool/software: I have the following questions: What is the EEPROM used for on the PGA devices? Can undesignated bytes be used for other purposes? What is the process of storing the coefficients in EEPROM? I have negative…

  • [FAQ] SK-TDA4VM: No graphics acceleration on SDK 9.x in Wayland (Weston)

    Part Number: SK-TDA4VM Other Parts Discussed in Thread: TDA4VM Tool/software: Hi, TI Team I run an opencv example program(drawing and media play) in Wayland(western). But drawing(graphics) is little bit slow and media play occurs a stuttering frames…

  • [FAQ] AM623: 4GB LPDDR4

    Part Number: AM623 Tool/software: Hi team, A customer wants to have 4GB LPDDR4 (single channel topology). They could not find 4GB 16-bit single-channel LPDDR4, there is only 2GB option. Can they use a 32-bit device and only connect one channel?…

  • [FAQ] AM62P: How to measure wakeup latency for Low Power Modes on AM62x/A/P

    Part Number: AM62P Tool/software: How can you measure the wakeup latency for Low Power Modes on AM62x/A/P? Low Power Mode's wakeup latency is the amount of time required from triggering a wakeup event to resuming normal operation. This FAQ shows to…

  • [FAQ] AM62x, AM62Ax, AM62D-Q1, AM62L, AM62Px, AM64x, AM243x, Custom board hardware design – How to handle Used / Unused Pins / Peripherals and add pullup or pulldown? (e.g. GPIOs, SERDES, USB, CSI, MMC (eMMC, SD-card), CSI, OLDI, DSI, CAP_VDDSx, .......

    Part Number: AM625 Other Parts Discussed in Thread: AM623 Tool/software: Hi TI Experts, Is there any application note with information about how to connect IOs or Peripherals - Used or Unused Details on the connections to be done when used. …

  • [FAQ] BQ40Z50: How to do a two-word override MAC sequence ???

    Tool/software: I am trying to override the Temperature by sending ManufacturerAccess() 0x3008 WriteTemp, but it does not work. What am I doing wrong?

  • [FAQ] What happens when output overshoot or undershoot occurs and how to address it?

    TI's gate drivers use a pull-up and pull-down structure in order to drive the output stage. The pull-up structure supplies the source current to turn on the power device, and the pull-down structure supplies the sink current to turn off the power device…

  • [FAQ] TDA4VH-Q1: How to change the ATF to print on MCU_UART in SBL bootflow

    Part Number: TDA4VH-Q1 Tool/software: In the SBL bootflow, using BootApp, how to print ATF logs on MCU_UART or WKUP_UART?

  • [FAQ] How to enable switching capability between GPO and GPI operation for PRU GPIO?

    Part Number: AM6442 Other Parts Discussed in Thread: SYSCONFIG Tool/software: Each PRU_ICSSG PRU processor implements fast GPO through its R30 register and fast GPI through R31 register. AM64x/AM243x has 20 pinned out PRU GPIO pins and the device…

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