AM6442: What is the maximum AM6442 MDC Frequency?

Daniel Cheng1

Part Number: AM6442

Hi Expert,

What is the maximum AM6442 MDC Frequency?

Thanks

Daniel

0 Nick Saulnier over 3 years ago

Hello Daniel,

To confirm, are you talking about MDC from CPSW MDIO_MCLK or PRU_ICSSG MDIO_MCLK?

Regards,

Nick

0 Daniel Cheng1 over 3 years ago in reply to Nick Saulnier

Hi Nick

CPSW

Thanks

Daniel

+1 peaves over 3 years ago in reply to Daniel Cheng1

The maximum frequency is defined in the AM64x datasheet.

The CPSW3G MDIO Switching Characteristics table defines a minimum cycle time of 400 ns. Therefore, the maximum frequency is 2.5 MHz.

Regards,
Paul

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