SN75DP159: Clock is not output from AUX_SRC.

user1077147

Prodigy 95 points

Part Number: SN75DP159

Support Path: /Product/Development and troubleshooting/

Hello

I use SN75DP159 as DisplayPortRetimer.

Other company's evaluation board will operate normally.

This time, I made a board with the same circuit as the evaluation board.

I have made the same setting, but Displayport REF_CLK is not output from AUX_SRC.

Checking the revision of the device is different.

RevB is installed in evaluation board of other company.

RevD is installed on board produced this time.

Is it necessary to change the setting due to the difference of Rev?

Could you give me the setting information?

Could you give me the information on SLLA 359 described in SLLA 358?

Thanks Best Regurd.

over 8 years ago

0 JMMN over 8 years ago

TI__Guru 60870 points

Hi,

Can you share your schematic? There is no Rev B or Rev D of the DP159 device, can you share where you are getting the revision information?

Thanks,
JMMN

0 user1077147 over 8 years ago in reply to JMMN

Prodigy 95 points

Hello JMMN

Thanks for your Reply.

Revision was my misunderstanding.

The printing of the device package is as follows.

NG:75DP159 TI 611 AXP6 G4

OK:75DP159 TI 571 CNS6 G4

When reading the register of Rev, both were 1.

I want to send a circuit diagram personally, what should I do?

Thanks Best Regurd.

0 JMMN over 8 years ago in reply to user1077147

TI__Guru 60870 points

Hi,

Yes, those devices are the same silicon. I will send you an E2E forum friend request, you can accept and send the schematic directly to me.

Regards,

JMMN

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SN75DP159: Clock is not output from AUX_SRC.