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TMS320F28388D: EMAC clause 45 PHY register access

Part Number: TMS320F28388D
Other Parts Discussed in Thread: C2000WARE

What do I need to do to access DP83822 PHY registers on an F28388D control card by clause 45 method?

I tried the following with one of the examples from C2000ware 4.02:

In line 277 I changed the last parameter in the Ethernet_configMDIO() call to 1 but then the next read access yields the value 0xffff rather than 0x3100 (by clause 22).

What am I doing wrong?

Any help would be appreciated.

Best regards

Johannes