ELLXT971ABE.A4 Intel, ELLXT971ABE.A4 Datasheet - Page 89

• Manufacturer Part Number: ELLXT971ABE.A4
• Description: IC TRANS 3.3V ETHERNET 64-BGA
• Manufacturer: Intel
• Type: PHY Transceiverr

Specifications of ELLXT971ABE.A4

• Number Of Drivers/receivers: 1/1
• Protocol: IEEE 802
• Voltage - Supply: 3.14 V ~ 3.45 V
• Mounting Type: Surface Mount
• Package / Case: 64-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 870479

Datasheet
Document Number: 249414-003
Revision Date: June 18, 2004
Table 45. Control Register - Address 0, Hex 0 (Sheet 2 of 2)
Table 46. MII Status Register #1 - Address 1, Hex 1 (Sheet 1 of 2)
Table 46
1. R/W = Read/Write
2. Some bits have their default values determined at reset by hardware configuration pins. For default details
1. RO = Read Only
1.15
1.14
1.13
1.12
1.11
1.10
0.5:0
0.12
0.11
0.10
Bit
Bit
0.9
0.8
0.7
0.6
SC = Self Clearing
for these bits, see
LL = Latching Low
LH = Latching High
100BASE-T4
Not Supported
100BASE-X Full-Duplex
100BASE-X Half-Duplex
10 Mbps Full-Duplex
10 Mbps Half-Duplex
100BASE-T2 Full-
Duplex
Not Supported
lists MII status register bits.
Auto-Negotiation
Enable
Power-Down
Isolate
Restart Auto-
Negotiation
Duplex Mode
Collision Test
Speed Selection
Reserved
Name
Name
Section 5.4.4, “Hardware Configuration
0 = Disable auto-negotiation process
1 = Enable auto-negotiation process
0 = Normal operation
1 = Power-down
0 = Normal operation
1 = Electrically isolate PHY from MII
0 = Normal operation
1 = Restart auto-negotiation process
0 = Half-duplex
1 = Full-duplex
0 = Disable COL signal test
1 = Enable COL signal test
Write as ‘0’. Ignore on Read.
Intel
0.6
0 = PHY not able to perform 100BASE-T4
1 = PHY able to perform 100BASE-T4
0 = PHY not able to perform full-duplex 100BASE-X
1 = PHY able to perform full-duplex 100BASE-X
0 = PHY not able to perform half-duplex
1 = PHY able to perform half-duplex 100BASE-X
0 = PHY not able to operate at 10 Mbps full-duplex
1 = PHY able to operate at 10 Mbps in full-duplex
0 = PHY not able to operate at 10 Mbps in half-
1 = PHY able to operate at 10 Mbps in half-duplex
0 = PHY not able to perform full-duplex
1 = PHY able to perform full-duplex 100BASE-T2
0
0
1
1
®
100BASE-X
mode
mode
duplex
mode
100BASE-T2
LXT971A Single-Port 10/100 Mbps PHY Transceiver
0.13
0
1
0
1
10 Mbps
100 Mbps
1000 Mbps (not supported)
Reserved
Description
Description
Speed Selected
Settings”.
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
SC
Type
RO
RO
RO
RO
RO
RO
1
1
Default
Note 2
Note 2
00000
Default
0
0
0
0
0
0
1
1
1
1
0
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