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DP83TC812S-Q1: PHY Functional Modes and Register Access

Part Number: DP83TC812S-Q1


Hello,

I'm working on developing a PHY driver for the DP83TC812S-Q1 chip. I had a question about accessing registers (via MDIO).

From the functional mode description in the datasheet, after a RESET or power up, the CHIP will enter into STANDBY state.

1. How can I verify that the device is in STANDBY state?

2. From the datasheet, in STANDBY state, SMI/MDIO functions are supposed to be operational. Does this mean that register reads/writes via MDIO will work in this state?

Thanks,

Akshay