Datasheet

523
32117D–AVR-01/12
AT32UC3C
24.7.12 PHY Maintenance Register
Name: MAN
Access Type: Read/Write
Offset: 0x34
Reset Value: 0x00000000
• SOF: Start Of Frame
Must be written to 01 for a valid frame.
• RW: Read/Write
10: Read operation
01: Write operation.
Any other value is an invalid PHY management frame
• PHYA: PHY Address
PHY address.
• REGA: Register Address
PHY register address to access.
• CODE: Code value
Must be written to 10.
• DATA: PHY Data
For a write operation, write the data to be written to the PHY.
After a read operation, contains the data read from the PHY.
31 30 29 28 27 26 25 24
SOF RW PHYA[4:1]
23 22 21 20 19 18 17 16
PHYA REGA CODE
15 14 13 12 11 10 9 8
DATA[15:8]
76543210
DATA[7:0]