DP83640: Looking for reference design for PTP master connection

Carolus Andrews

Part Number: DP83640
Other Parts Discussed in Thread: DP83867E

Team,

Do we have any reference designs focused on using the DP83640 as a PTP master connected to GPS? It doesn't appear that the DP83640T eval board is really sut up to do this. Any additional advice?

Also, is there a 1GigE variant of this part by any chance with an SGMII interface?

over 7 years ago

0 Ross Pimentel over 7 years ago

TI__Mastermind 23675 points

Hi Carolus,

We have this app note:

There are additional app notes on PTP in the application note section of the DP83640 product page.

We do not have a 1G PHY with internal hardware timestamp capability.

Our DP83867E supports 1G speed, 1588 SFD (start of frame detection for PTP) and supports SGMII.

0 Carolus Andrews over 7 years ago in reply to Ross Pimentel

TI__Mastermind 24915 points

Ross,

You mention the DP83867E... is there a way to build around this device to create a PTP master?

0 Ross Pimentel over 7 years ago in reply to Carolus Andrews

TI__Mastermind 23675 points

Yes, the DP83867E can be used as a PTP master.

Interface

Interface forum

DP83640: Looking for reference design for PTP master connection