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DS100DF410: Confirguring the device in 1G Mode

ANIKET
Prodigy 340 points
Part Number: DS100DF410

Hi,

My customer is using DS100DF410 in one of our platform. They want to configure the device in 1G mode.

We have configured the device as per Ref_mode 3 Mode (Reference Clock Required).

Default setting of Ref_mode 3 Mode device can lock as per the incoming data rate.

During power on incoming data to DS100DF410 is 10G then on the fly we are changing the link speed to 1G.

My question is still the device can lock with 1G or we need to reset any of the registers to lock to 1G.

As per datasheet  0x36 bits [5:4] = 2'b11 device can lock as per the link speed.

If you can send the list of register setting should configure to work the device in 1G it would be better.

I have gone through the TI forum but there is no clear details on the register settings.

  • 0
    TI__Guru* 93670 points
    Greetings,

    It would be best to do CDR reset once rate is changed.

    To do this, we need to do the followings:
    Write channel register 0x0A[3:2] = 2'b11 //this sets override bit and asserts CDR reset
    Write channel register 0x0A[3:2] = 2'b00 //de-assert reset

    Regards,,nasser