• State Resolved
  • Locked Locked
  • Replies 1 reply
  • Subscribers 32 subscribers
  • Views 290 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TLK3134: PLOOP and SLOOP

K.Yaita
Guru 29710 points

Part Number: TLK3134

Hi Team,

1)
I believe "PLOOP pin = high" leads to Figure 2-3 and "SLOOP pin = high" leads to Figure 2-2 without setting registers.
Is my understanding correct?
-------------------------------------------------------------


2)
If the answer for 1) is yes, what is occured when "PLOOP pin = high" and "SLOOP pin = high"?

3)
Could you tell me how to configure the following Figure 2-4?
-----------------------------------------------------------------------
Figure 2-4 shows the TLK3134 in a custom application example with mixed modes per Channel.
• Channel 1 in Parallel independent loopback mode
• Channel 3 in Serial independent loopback mode
• Channel 0 & 2 in independent channel transceiver mode


-----------------------------------------------------------------------

Best Regards,
Yaita

  • 0
    TI__Genius 10250 points
    Hello Yaita-san,

    1) Yes. Notice here the 4 channels will be the same.
    2) This will put both sides in loopback and no input gets in from either side - basically an invalid mode.
    3) This works in 1G mode (section 2.9 in datasheet). You need to set pins PLOOP=0 and SLOOP=0, then use MDIO to set individual channels, Lane 1: enable parallel loopback using register 0.14 (table 2-74), Lane 3: enable serial loopback using register 16.8 (table 2.79).

    Regards,
    Yaser