Rainbow Electronics W90P710CDG - Manual (Page 126)

W90P710CD/W90P710CDG
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31 30 29 28 27 26 25 24
Reserved
23 22 21 20 19 18 17 16
Reserved
15 14 13 12 11 10 9 8
MIIData
7 6 5 4 3 2 1 0
MIIData
BITS DESCRIPTIONS
[31:16] Reserved -
[15:0] MIIData
The MII Management Data is the 16 bits data that will be written into
the registers of external PHY for MII Management write command or
the data from the registers of external PHY for MII Management read
command.
MII Management Control and Address Register (MIIDA)
The EMC provides MII management function to access the control and status registers of the external
PHY. The MIIDA register is used to keep the MII management command information, like the register
address, external PHY address, MDC clocking rate, read/write etc.
REGISTER ADDRESS R/W DESCRIPTION
RESET
VALUE
MIIDA 0xFFF0_3098 R/W
MII Management Control and Address
Register
0x0090_0000
31 30 29 28 27 26 25 24
Reserved
23 22 21 20 19 18 17 16
MDCCR MDCON PreSP BUSY Write
15 14 13 12 11 10 9 8
Reserved PHYAD
7 6 5 4 3 2 1 0
Reserved PHYRAD