MII Registers
00h to 0Fh
IEEE Defined
00h – MII Control Reg
01h – MII Status Reg
02h – PHY ID MSB Reg
03h – PHY ID LSB Reg
04h – Auto-Neg Advertisement Reg
05h – Anto-Neg Link Partner Ability Reg
06h – Auto-Neg Expansion Reg
07h – Auto-Neg Next Page Transmit Reg
08h – Auto-Neg Link Partner Ability Next Page Reg
09h – 1000Base-T Control Reg
0Ah – 1000Base-T Status Reg
0Bh – 0Eh - Reserved
0Fh – IEEE Extended Status Reg
10h – PHY Extended Control Reg
11h – PHY Extended Status Reg
12h – Receive Error Counter Reg
13h – False Carrier Sense Error Counter Reg
14h – Local Remote Receiver “Not Ok” Counter Reg
15h – DSP Coefficient Read/Write Port Reg
16h – DSP Control Reg
17h – DSP Coefficient Address Reg
18h – Shadow Regs (bits[2:0] = Shadow Selector)
[2:0] = 0 – Auxiliary Control Reg
[2:0] = 1 – 10Base-T Reg
[2:0] = 2 – Power/MII Control Reg
[2:0] = 3 – IP Phone Reg
[2:0] = 4 – Misc Test 1 Reg
[2:0] = 5 – Misc Test 2 Reg
[2:0] = 6 – Manual IP Phone Seed Reg
[2:0] = 7 – Misc Control Reg
19h – Auxiliary Status Summary Reg
1Ah – Interrupt Status Reg
MII Registers
10h to 1Fh
OEM Defined
1Bh – Interrupt Mask Reg
IEEE Defined
Registers
1Ch – Shadow Regs (bits [14:10] = Shadow Selector)
[14:10] = 0 – Cabletron LED Reg
[14:10] = 1Fh – Mode Control Reg
OEM Defined
Registers
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