Filter
Top Products
PHY Registers — Intel
®
82575EB Gigabit Ethernet Controller
324632-003 Intel
®
82575EB Gigabit Ethernet Controller
Revision: 2.1 Software Developer’s Manual and EEPROM Guide
January 2011 317
14.3.8.9 Auto-Negotiation Next Page Ability Register - LPN
(08d; R)
14.3.8.10 1000BASE-T/100BASE-T2 Control Register - GCON
(09d; R/W)
Bit(s) Field Description Mode Default
10:0 Message/Unformatted
Field
11-bit message code field. RO 0b
11 Toggle 1b = Previous value of the transmitted Link Code Word = 0b.
0b = Previous value of the transmitted Link Code Word = 1b.
RO 0b
12 Acknowledge 2 1b = Link Partner complies with the message.
0b = Link Partner cannot comply with the message.
RO 0b
13 Message Page 1b = Page sent by the Link Partner is a Message Page.
0b = Page sent by the Link Partner is an Unformatted Page.
RO 0b
14 Acknowledge 1b = Link Partner has received Link Code Word from the PHY.
0b = Link Partner has not received Link Code Word from the
PHY.
RO 0b
15 Next Page 1b = Link Partner has additional next pages to send.
0b = Link Partner has no additional next pages to send.
RO 0b
Bit(s) Field Description Mode Default
7:0 Reserved Always read as 0b. Write to 0b for normal operation. R/W 0b
8 1000BASE-T Half Duplex 1b = DTE is 1000BASE-T capable.
0b = DTE is not 1000BASE-T capable. This bit is used by Smart
Negotiation.
R/W 0b
9
1
1000BASE-T Full Duplex 1b = DTE is 1000BASE-T full duplex capable.
0b = DTE is not 1000BASE-T full duplex capable. This bit is used
by Smart Negotiation.
R/W 1b
10 Port Type 1b = Prefer multi-port device (Master).
0b = Prefer single port device (Slave).
This bit is only used when PHY register 9, bit 12 is set to 0b.
R/W 0b
11 Master/Slave
Config Value
1b = Configure PHY as MASTER during MASTER-SLAVE
negotiation (only when PHY register 9, bit 12 is set to 1b.
0b = Configure PHY as SLAVE during MASTER-SLAVE
negotiation (only when PHY register 9, bit 12 is set to 1b.
R/W 0b
12 Master/Slave Config
Enable
1b = Manual Master/Slave configuration.
0b = Automatic Master/Slave configuration.
R/W 0b
15:13 Test mode 000b = Normal Mode.
001b = Pulse and Droop Template.
010b = Jitter Template.
011b = Jitter Template.
100b = Distortion Packet.
101b, 110b, 111b = Reserved.
R/W 000b