AM2432: PRU MII RXLINK issue

Yichun Liang

Part Number: AM2432

Hi,

We use AM2432 for EtherCAT, but we haven't connected RXLINK. Can we enable the MDIO internal state machine to detect the link state and let RXLINK be left float? If yes, which PRU firmware or source file should be modified?

best regard,

Yichun

over 2 years ago

0 Nilabh Anand over 2 years ago

TI__Mastermind 34597 points

Hi Yichun,

Is this is a TI EVM or custom board we are talking about

0 Yichun Liang over 2 years ago in reply to Nilabh Anand

Prodigy 10 points

Hi Nilabh,

This is a board of our own design.

0 Nilabh Anand over 2 years ago in reply to Yichun Liang

TI__Mastermind 34597 points

MDIO internal state machine should not be enabled due to MDIO i2329 errata.www.ti.com/.../sprz457g.pdf

Also, not using enhanced link disables some of the ethercat features.
We would not recommend this.

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AM2432: PRU MII RXLINK issue