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DS90UB954-Q1: some questions about UB953+954

Jiawei Hu1
Expert 5555 points
Part Number: DS90UB954-Q1
Other Parts Discussed in Thread: ALP

Hi team,

I'd like to ask some question about UB953-954 EVM.

  • Use ALP connect UB953, ALP can read & write 953 and 954 
  • Use ALP connect UB954, ALP only can't read 954 or 953

Could you kindly tell me why this happen and the next debug directions? Thanks!

B.R

Jiawei

  • 0
    TI__Expert 6345 points

    Hi Jiawei,

    So, you are able to read and write to 953 and 954 when you connect to ALP using the 953 and not able to when you connect to ALP using the 954?

    Did I understand your question accurately?

    Have you tried setting register 0x0C to enable the RX port that you are using on the 954?

    (From the 954 datasheet)

    Best Regards,

    Shruti More