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DS90UB934-Q1: DS90UB934-Q1 12-bit 100-MHz FPD-Link III Deserializer bulk writing

Ahmed Elhamouly
Intellectual 440 points
Part Number: DS90UB934-Q1

Dear sir, 

is it possible to bulk write data into registers of this device? for example, i want to write data to register addresses from 0x02 to 0x09 in one I2C transaction.

Thank you

  • 0
    TI__Expert 3245 points

    Hi Ahmed,

    Unfortunately you cannot write i2c in blocks. The only portion of the device that will auto-increment the i2c address is when doing indirect register writes in 0xb0.

    Regards,

  • 0 in reply to Michael Raleigh
    Intellectual 440 points
    Hi sir,
    We actually did an attempt to write to the DESER in bursts of data, and it worked. We read back the data, and its written appropriately.

    we are writing data from address 0x02 to address 0x6F.

    Is there any limitation on the device if we do this approach?

    We do this in order to speed up the time it takes for a new transaction.