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i.mx6SX ENET RGMII connection

Question asked by Davor Bogavac Employee on Feb 5, 2018
Latest reply on Feb 5, 2018 by igorpadykov

The i.mx6SX has a register called ENETx_ECR_RXC_DLY & ENETx_ECR_TXC_DLY. There is no explanation on what type (lenght) of delay it enables. Where can I find a detailed description?

 

The background is that I need to connect i.mx6SX RGMII port to a switch. That typically needs a tuned delay for the Tx & Rx clock's. Normally that delay is programmable on the PHY side. But since this is not connected to a PHY I need to manage the the clock delay. The mentioned register values might be able to do that but it's impossible to determine upfront if I don't know what they do exactly.     

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