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AM62P: Is there any standard related to MIPI CSI test item LP Transmit Time (tLPTX) for this IC?

淑贤 刘
Prodigy 40 points
Part Number: AM62P

Tool/software:

Dear TI team

The waveform of the CSI0. D0uP/N signal we tested is shown below.

We have a test item that is
LP Transmit Time （tLPTX): Transmitted length of any low power state period.

We did not find a corresponding reference standard on this IC datasheet, so we cannot determine whether the current tested values meet the standard.

Can you help provide the testing standards? Or is there no standard for the value of this test item for this IC?

Regards,

LIU 

  • 0
    TI__Guru**** 192339 points

    Hello LIU 

    Thank you for the query.

    Please refer below note:

    6.11.5.3 CSI-2
    Note
    For more information, see the Camera Serial Interface Receiver (CSI_RX_IF) section in the device
    TRM. The CSI_RX_IF is connected to device port instances named CSIRXn, where n is the instance
    number.
    The CSI_RX_IF and associated D-PHY implements a CSI-2 port (CSIRX0) compliant with the MIPI D-PHY
    specification v1.2 and the MIPI CSI-2 specification v1.3, with 4 differential data lanes plus 1 differential clock
    lane operating in synchronous double data rate mode. For CSI-2 timing details, see the respective MIPI
    specifications mentioned above.
    • Support for 1-, 2-, 3- or 4-lane data transfer modes up to 1.5 Gbps

    Did you have a chance to look at the specification referenced above.

    Regards,

    Sreenivasa