lxt9763 Intel Corporation, lxt9763 Datasheet - Page 62

• Manufacturer Part Number: lxt9763
• Description: Fast Ethernet 10/100 Hex Transceiver With Full Mii
• Manufacturer: Intel Corporation

LXT9763 — Fast Ethernet 10/100 Hex Transceiver with Full MII
62
0.15
0.14
0.13
0.12
0.11
0.10
0.9
0.8
0.7
0.6
0.5:0
1.15
1.14
1.13
1. R/W = Read/Write.
2. Default value of bits 0.12, 0.13 and 0.8 are determined by the LED/CFG pins (refer to
3. Do not enable Auto-Negotiation if Fiber Mode is selected.
1. RO = Read Only.
2. Bit 1.4 is not valid if Auto-Negotiation is selected while operating in Fiber mode.
Bit
Bit
RO = Read Only.
SC = Self Clearing when read.
LL = Latching Low.
LH = Latching High.
Table 38. Control Register (Address 0)
Table 39. Status Register (Address 1)
100BASE-T4
100BASE-X Full-
Duplex
100BASE-X Half-
Duplex
Reset
Loopback
Speed Selection
Auto-Negotiation
Enable
Power-Down
Isolate
Restart
Auto-Negotiation
Duplex Mode
Collision Test
Speed Selection
1000 Mb/s
Reserved
Name
3
Name
1 = PHY reset.
0 = Normal operation.
1 = Enable loopback mode.
0 = Disable loopback mode.
0.6
1 = Enable Auto-Negotiation Process.
0 = Disable Auto-Negotiation Process.
1 = Power-down.
0 = Normal operation.
1 = Electrically isolate PHY from MII.
0 = Normal operation.
1 = Restart Auto-Negotiation Process.
0 = Normal operation.
1 = Full-Duplex.
0 = Half-Duplex.
This bit is ignored by the LXT9763.
1 = Enable COL signal test.
0 = Disable COL signal test.
0.6
Write as 0, ignore on Read
1
1
0
0
1
1
0
0
1 = PHY able to perform 100BASE-T4.
0 = PHY not able to perform 100BASE-T4.
1 = PHY able to perform full-duplex 100BASE-X.
0 = PHY not able to perform full-duplex 100BASE-X.
1 = PHY able to perform half-duplex 100BASE-X.
0 = PHY not able to perform half-duplex 100BASE-X.
0.13
0.13
1 = Reserved.
0 = 1000 Mbps (not allowed).
1 = 100 Mbps.
1 = Reserved.
0 = 1000 Mbps (not allowed).
1 = 100 Mbps.
0 = 10 Mbps.
0 = 10 Mbps.
Description
Description
Table 7 on page
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
SC
SC
Type
23).
RO
RO
RO
1
1
0
0
Note 2
00
Note 2
0
0
0
Note 2
0
0
0
Datasheet
Default
00000
Default
00
0
1
1