FLLXT1000BA.C4QE000 Intel, FLLXT1000BA.C4QE000 Datasheet - Page 56

• Manufacturer Part Number: FLLXT1000BA.C4QE000
• Manufacturer: Intel

Specifications of FLLXT1000BA.C4QE000

• Lead Free Status / RoHS Status: Not Compliant

LXT1000 — Gigabit Ethernet Transceiver
56
RXD<7:0>
CRS
RXDV
RX_ER
TXD<7:0>
CRS
TX_ER
GTX_CLK
TX_EN
TP<A:D>
TP<A:D>
Figure 28. 1000BASE-T Transmission, Carrier Extend and Packet Concatenation
Figure 29. 1000BASE-T Reception, Carrier Extension and Packet Concatenation
(output)
(output)
(output)
(input)
(output)
(output)
(output)
(input)
(input)
(input)
(input)
2.5.4.1.6 Carrier Extend/Packet Concatenation with Errors
Carrier Extension and Packet Concatenation with errors are shown in
Figure 31 on page
exceptions:
IDLE
•
•
IDLE
If the MAC transmits other than “0F” on the TX_D lines while it drives TX_ER, the LXT1000
responds by sending csreset, ESD and carrier-extend-with error symbols.
If the LXT1000 receives carrier-extend-with-error, it asserts RX_ER and CRS and drives “1F”
on the RX_D lines.
PACKET
Packet
Packet
Packet
57. The sequence of events is identical to the simple carrier extend case with two
0F
csreset
0F
0F
csreset
Carrier Extend, no error
Carrier Extend
0F
0F
ESD
0F
0F
ESD
0F
0F
Carrier Extension
0F
0F
Extension
0F
0F
Carrier
0F
0F
0F
Figure 30 on page 57
Packet Concatenation (solid)
or Carrier Extension (dotted)
Packet or Don’t Care
Packet or Idle
Packet or Idle
Packet or
Document #: 249276
Idle
Rev. Date: 07/20/01
Revision #: 002
Datasheet
and