66AK2H12: 66K2H Delineation error (2)

Kz777

Expert 7895 points

Part Number: 66AK2H12

Hi Champs,

We still continue previous e2e thread "Delineation error".

Our customer continue debug and found some another point.

As I told previous thread, Delineation error occurred SRIO Lane2. Also, customer found "8b/10b decode" error at lane 3.

Usually, K2H LANEn_STAT0 value is addr(0x0290e070) -> 0x02107f88

ERR_CNT value is higher.

Is this "ERR_CNT" count Non convert table value that decode "8B10B" in DSP ?

This ERR_CNT count up to 15. Also, CHG_SYSC=1.

So, Do you have any suspect point ? We would like to separate Hardware issue or register setting .

Regards,

Kaz

over 7 years ago

0 Garrett Ding over 7 years ago

TI__Mastermind 43296 points

Hi,

1) Yes, ERR_CNT counts the undefined 8b/10b code group.

2) It implies the noise on the board that makes the serial bit stream transmission out of sync. Have you checked if the error goes well after slowing down the baud rate?

Regards,
Garrett

0 Kz777 over 7 years ago in reply to Garrett Ding

TI__Expert 7895 points

Hi Garret,

Thanks. Customer fixed this issue. This was main reason due to connected FPGA register setting.

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66AK2H12: 66K2H Delineation error (2)