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DS90UB936-Q1: Support needed for issues with Configurations of Ti936 and Ti935

Anith Mathew1
Intellectual 620 points
Part Number: DS90UB936-Q1


Hello ,

We  are noticing issues with video buffer getting repeated in Valeo ECU for the camera connected through link from Ti 936 and Ti935   with 2  embedded line enabled . The issues are not noticed when embedded line are not enabled in the Ti936 . But we will need to support the embedded lines , The register 0x4B  is set to 0x92  . I am attaching the register dump of Ti936 and Ti935 can you check what possibly could be wrong in the configurations of Deserializers and Serializers 

Fullscreen 935_dump.txt Download 
No size specified (using byte-data access)
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef
00: 30 00 13 4b 00 0b 41 28 fe 1e 10 13 26 40 4b 00    0.?K.?A(????&@K.
10: 00 00 00 00 00 20 18 3c 80 62 62 62 00 00 00 00    ..... ?<?bbb....
20: 00 00 00 00 00 02 00 00 67 33 01 00 00 00 00 00    .....?..g3?.....
30: 00 20 09 04 00 13 00 7a 00 00 00 00 00 00 00 00    . ??.?.z........
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
50: 20 c0 47 00 00 02 00 00 07 07 07 00 00 00 00 00     ?G..?..???.....
60: 00 12 80 07 03 8b 00 64 00 00 00 00 00 00 00 00    .?????.d........
70: 00 00 25 00 00 00 00 00 00 00 e4 00 00 00 00 00    ..%.......?.....
80: 00 00 00 00 00 00 90 00 00 00 00 00 01 00 00 00    ......?.....?...
90: 32 e3 64 01 00 00 00 00 00 00 21 00 00 00 00 10    2?d?......!....?
a0: 00 0f 10 0d 0d 10 42 10 10 10 03 01 00 00 00 00    .?????B?????....
b0: 04 4a 3f 00 00 00 00 00 00 00 00 00 00 00 00 00    ?J?.............
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
f0: 5f 55 42 39 35 33 00 00 00 00 00 00 00 00 00 00    _UB953..........
.   ected to link coming from 

  • 0
    Intellectual 620 points

    Fullscreen 936_dump.txt Download 
    No size specified (using byte-data access)
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef
00: 60 00 1e 20 df 01 00 fe 1c 10 7a 7a 83 09 16 7f    `.? ??.???zz????
10: 00 00 00 00 c1 00 00 00 e0 00 00 00 00 00 04 00    ....?...?.....?.
20: 20 81 00 00 00 00 00 00 00 00 00 00 00 00 00 00     ?..............
30: 00 00 00 21 40 01 00 00 00 00 00 01 14 6f 00 40    ...!@?.....??o.@
40: 00 a7 71 01 00 00 00 00 00 00 00 92 01 03 04 21    .?q?.......????!
50: 00 00 00 00 00 00 00 00 58 00 00 ba ba 20 a0 00    ........X..?? ?.
60: 00 00 00 00 00 20 a0 00 00 00 00 00 00 7e a8 88    ..... ?......~??
70: 2b 2c e4 03 ea 07 80 c5 00 01 00 00 20 00 00 00    +,??????.?.. ...
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
a0: 02 0f 00 00 08 19 00 00 00 00 00 00 00 00 00 00    ??..??..........
b0: 08 14 3f 08 25 00 18 00 8e 33 83 74 00 00 00 00    ????%.?.?3?t....
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
d0: 00 43 94 02 60 f2 00 00 00 00 00 00 00 00 00 00    .C??`?..........
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
f0: 5f 55 42 39 35 34 00 00 00 00 00 00 00 00 00 00    _UB954..........

  • 0 in reply to Anith Mathew1
    TI__Genius 11340 points

    Hi Anith,

    There's no CSI, parity, or CRC errors in the link, and there's valid CSI output from the 936 (indicated by register 0x35). The configuration looks correct to me. Could you check the SoC side to see if the embedded data is forwarded?