Data Sheet

Ethernet Controller I210 — Programming Interface
564
8.27.3.16 Copper Specific Status Register 1 - Page 0, Register 17
Bits Field Mode HW Rst SW Rst Description
15:14 Speed RO 0x2 Retain
These status bits are valid only after resolved bit 17_0.11 = 1b.
The resolved bit is set when auto-negotiation completes or auto-
negotiation is disabled.
11b = Reserved.
10b = 1000 Mb/s.
01b = 100 Mb/s.
00b = 10 Mb/s.
13 Duplex RO 0x0 Retain
This status bit is valid only after resolved bit 17_0.11 = 1b. The
resolved bit is set when auto-negotiation completes or auto-
negotiation is disabled.
1b = Full duplex.
0b = Half duplex.
12 Page Received RO, LH 0x0 0x0
1b = Page received.
0b = Page not received.
11
Speed and
Duplex Resolved
RO 0x0 0x0
When auto-negotiation is not enabled 17_0.11 = 1b.
1b = Resolved.
0 = Not resolved.
10
Copper Link (real
time)
RO 0x0 0x0
1b = Link up.
0b = Link down.
9
Transmit Pause
Enabled
RO 0x0 0x0
This is a reflection of the MAC pause resolution. This bit is for
information purposes and is not used by the device. This status bit
is valid only after resolved bit 17_0.11 = 1b. The resolved bit is set
when auto-negotiation completes or auto-negotiation is disabled.
1b = Transmit pause enabled.
0b = Transmit pause disable.
8
Receive Pause
Enabled
RO 0x0 0x0
This is a reflection of the MAC pause resolution. This bit is for
information purposes and is not used by the device. This status bit
is valid only after resolved bit 17_0.11 = 1b. The resolved bit is set
when auto-negotiation completes or auto-negotiation is disabled.
1b = Receive pause enabled.
0b = Receive pause disabled.
7 Reserved RO 0x0 0x0 Reserved.
6
MDI Crossover
Status
RO 0x1 Retain
This status bit is valid only after resolved bit 17_0.11 = 1b. The
resolved bit is set when auto-negotiation completes or auto-
negotiation is disabled. This bit is 0b or 1b depending on what is
written to 16.6:5 in manual configuration mode. Register 16.6:5
are updated with a software reset.
1b = MDI-X.
0b = MDI.
5 Downshift Status RO 0x0 0x0
1b = Downshift.
0b = No downshift.
4
Copper Energy
Detect Status
RO 0x0 0x0
1b = Sleep.
0b = Active.
3
Global Link
Status
RO 0x0 0x0
1b = Copper link is up.
0b = Copper link is down.