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SAM7X128_14 Datasheet, PDF (562/662 Pages) ATMEL Corporation – ARM-based Flash MCU | |||
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37.5.12 PHY Maintenance Register
Register Name:
EMAC_MAN
Access Type:
Read-write
31
30
29
28
27
SOF
RW
23
22
PHYA
21
20
19
REGA
15
14
13
12
11
DATA
7
6
5
4
3
DATA
⢠DATA
For a write operation this is written with the data to be written to the PHY.
After a read operation this contains the data read from the PHY.
⢠CODE:
Must be written to 10. Reads as written.
⢠REGA: Register Address
Specifies the register in the PHY to access.
⢠PHYA: PHY Address
⢠RW: Read-write
10 is read; 01 is write. Any other value is an invalid PHY management frame
⢠SOF: Start of frame
Must be written 01 for a valid frame.
26
25
24
PHYA
18
17
16
CODE
10
9
8
2
1
0
SAM7X Series [DATASHEET]
6120KâATARMâ11-Feb-14
562
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