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AM2432: PRU MII RXLINK used by PRU firmware or not

Tony Tang

Mastermind 29172 points

Part Number: AM2432

Tool/software:

From below post, got to know RMLINK is used for faster link detection, if PRU ethernet firmware implemented it?

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1414289/am6422-mii-interface-on-pru_icssg1-prg1-port-in-am6422-processor/

https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1260638/am2432-pru-mii-rxlink-issue

0 Prajith Jayarajan 3 months ago

TI__Expert 7655 points

Hi Tony,

Which firmware are you using?

RXLINK pin requirements is for Ethercat firmware only.

Regards,
Prajith

0 Tony Tang 3 months ago in reply to Prajith Jayarajan

TI__Mastermind 29172 points

Do you mean PRU EtherCAT firmware or R5F Ethernet Stack or application code?

My customer's use case is EtherCAT Slave.

0 Prajith Jayarajan 3 months ago in reply to Tony Tang

TI__Expert 7655 points

Hi Tony,

Ethercat Device supports enhanced link detection.

Some details here
https://software-dl.ti.com/processor-industrial-sw/esd/ind_comms_sdk/am243x/11_00_00_08/docs/api_guide_am243x/ETHERCAT_SUBDEVICE_FWHAL.html#ECAT_EHNAHNCED_LINK

https://software-dl.ti.com/processor-industrial-sw/esd/ind_comms_sdk/am243x/11_00_00_08/docs/api_guide_am243x/ETHERCAT_SUBDEVICE_FWHAL.html#ECAT_HW_REQUIREMENTS

Regards,
Prajith