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AM6442: EtherCAT versions

Bernd Sprenger
Prodigy 110 points
Part Number: AM6442
Other Parts Discussed in Thread: AM4377, , DP83869

we are interessted in using AM64x for the design of some EtherCAT-Slaves. In the datasheet in section 10.1.2 Device Naming Convention you name different features:


D: ICSS Enabled
E: ICSS + EtherCAT HW Accelerator + CAN-FD Enabled
F: ICSS + EtherCAT HW Accelerator + CAN-FD + Pre-integrated Stacks Enabled


I know the PRU of the K2G, AM4377 and AM572x and there you need EtherCAT-Slave functionality on the EtherCAT enabled PRU versions.

  • Which of these features of the AM64x (D, E or F) corresponds with just plain EtherCAT-Slave functionality in the PRU (using the Beckhoff SCC 4.12 stack)?
  • What is the EtherCAT HW Accelerator?
  • What is CAN-FD?
  • What are the pre-integrated stacks? Where can I find informations about it?

Another point important for us is, when will the AM6442ASFG or AM6442ASEG enter mass production? Our quantities will be only around 1000pcs/year, but might it be possible to get here some more informations? We wouldn't mind signing a NDA...

Thanks a lot for your help - have a nice day,

Bernd

  • 0
    TI__Mastermind 27050 points
    Bernd Sprenger said:
    Which of these features of the AM64x (D, E or F) corresponds with just plain EtherCAT-Slave functionality in the PRU (using the Beckhoff SCC 4.12 stack)?

    E and F will run Beckhoff stack.

    Bernd Sprenger said:
    What is the EtherCAT HW Accelerator?

    Means EtherCAT will run on the device.

    Bernd Sprenger said:
    What is CAN-FD?

    CAN-FD is a higher end version of CAN that is enabled on part numbers with E and F in them. This is an orthogonal feature, nothing to do with EtherCAT, just happens to be bundled in part numbering.

    Bernd Sprenger said:
    What are the pre-integrated stacks? Where can I find informations about it?

    In addition to the 3rd party stack with TI ICSS firmware model we will support a full SW stack for selected protocols from TI. It is SW that will run on part numbers with F and will be supported by TI. This will be available later in the spring, see https://e2e.ti.com/blogs_/b/process/posts/compact-precise-connected-increase-productivity-with-intelligent-edge-computing for a little more information before the launch of this capability.

    Bernd Sprenger said:
    when will the AM6442ASFG or AM6442ASEG enter mass production?

    In the second half of this year.

      Pekka

  • 0 in reply to Pekka Varis
    Prodigy 110 points

    Hello Pekka,

    thanks a lot for your reply - helps a lot. Just some small questions. Will there be a 'Industrial-Communication-Engine'-like eval-board? And when will it be available? Does the current eval-board also work with EtherCAT?

    Thanks a lot for your help,

    have a nice day,

    Bernd

  • +1 in reply to Bernd Sprenger
    TI__Mastermind 27050 points
    Bernd Sprenger said:
    hanks a lot for your reply - helps a lot. Just some small questions. Will there be a 'Industrial-Communication-Engine'-like eval-board? And when will it be available? Does the current eval-board also work with EtherCAT?

    The current EVM works with EtherCAT, both the Beckhoff SSC stack (now with M64x SDK 7.2) and the integrated stack. The three RJ-45 connectors (2 stacked, marked 2 in the picture, and the single one marked 1) are connected so (1) is RGMII from CPSW Ethernet. The two stacked ones (2) are the ones that support EtherCAT using MII mode of the DP83869 PHY's and using the ICSS-PRU IP on the AM6442 device. The bottom one in (2) is also connected to the AM6442x RGMII that can be pin-mux selected to be from CPSW or ICSS-PRU. But for EtherCAT (lowest latency) MII interface is used.

  • 0 in reply to Pekka Varis
    Prodigy 110 points

    Hello Pekka,

    sounds great - do you know when the EVM will be available again - I was too late ordering one ...Disappointed

    Thanks a lot for your help- best regards,

    Bernd