TVP5151: How to confirm that TVP5151 works normally and has bt656 output

Amy Luo

Expert 6895 points

Part Number: TVP5151

Hi team,

I describe the customer's problem as follows:

By configuring relevant registers (according to example2 in TVP5151 datasheet),

00 ---- > 01

03 ---- > 0d

04 ---- > C0

0d ---- > 40

However, my back-end Hisilicon chip has not received an interrupt. I wonder if there is a problem with my register configuration. Is there any troubleshooting method?

The waveform of YOUT is measured as shown in the figure below

Best Regards,

Amy Luo

over 4 years ago

0 Ralph Jacobi over 4 years ago

TI__Guru*** 135355 points

Hello Amy,

Unfortunately as indicated on the device product page, we do not offer design support for the TVP5151. This question is beyond anything I can assist with and I don't have any troubleshooting guidance to give, sorry.

Best Regards,

Ralph Jacobi

0 bo gao over 4 years ago

Prodigy 10 points

Hi team,

Yesterday I successfully output PAL video stream, but failed today. Do I need to download the patch for tvp5151?

I only configured the 03H register，data is 09！

Best Regards！

0 Ralph Jacobi over 4 years ago in reply to bo gao

TI__Guru*** 135355 points

Hi Bo,

Sorry but I do not have the technical expertise to be able to answer that. I don't know the details of the patch code that is provided for the device.

Best Regards,

Ralph Jacobi

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TVP5151: How to confirm that TVP5151 works normally and has bt656 output