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DS90UB954-Q1EVM: DS90UB954-Q1EVM, DS90UB953-Q1EVM with RAW8 Monochrome camera sensor register settings

Burak Özbek
Prodigy 10 points
Part Number: DS90UB954-Q1EVM

Hello All,

I am working with FPDLINK III to capture images from a RAW 8-bit monochrome camera. I'm trying to run it on Nvidia Xavier NX. First of all, I initialize the Sensor. I can access the sensor, serializer and deserializer via i2c and read and write. However, when I try to open a stream, I cannot access the stream. Do you have any suggestions or suggestions for a register set to run the Raw 8 Monochrome Sensor?

  • 0
    TI__Genius 17740 points

    Hello,

    Thank you for reaching out. Since you are able to successfully read and write, the system's configuration is likely correct. With respect to the FPD-Link devices there are no additional register settings needed to begin streaming data. Assuming initialization has been completed, once the serializer receives data from the camera, it will transmit the data to the deserializer to be output. Many sensors do have a register bit that must be set to enable streaming after initialization. In the register map this could be listed as something similar to "enable stream" or "start stream". If possible, it would be recommended to reach out to the camera vendor for more details on what could be preventing the stream from beginning.

    Regards,
    Darrah

  • 0 in reply to Darrah Merillat
    Prodigy 10 points

    Hello,

    I can successfully write and read on the camera and serializer, but on the serializer side, I read 0x44 from the 0x5e register CSI_ERR_DLANE01 Registry. So, I get the Multi-bit Error in SYNC Sequence - Uncorrectable fault for both lanes. Do you have any information why I get this error?

    Thanks and best regards

  • 0 in reply to Burak Özbek
    TI__Genius 17740 points

    Hello,

    The multi-bit SYNC sequence error, means that the serializer has detected an error in the start of transmission SYNC signal within the incoming data. The 95x CSI based serializers and deserializers use the CSI DPHY video protocol. If the received data does not follow the sequence specified in the DPHY protocol, the error will be flagged. This can be due to a faulty connection between the camera and serializer, or an issue with the camera's initialization or TX port.