HBLXT9781HC.C4 Intel, HBLXT9781HC.C4 Datasheet - Page 71

• Manufacturer Part Number: HBLXT9781HC.C4
• Manufacturer: Intel

Specifications of HBLXT9781HC.C4

• Lead Free Status / RoHS Status: Not Compliant

Datasheet
16.9
16.8
16.7
16.6
16.5
16.4
16.3
16.2
16.1
16.0
17.15
17.14
17.13
17.12
17.11
17.10
17.9
17.8
1. R/W = Read /Write
2. The default value of bit 16.0 is determined by the SD/TPn pin for the respective port.
1. RO = Read Only
Bit
Bit
If SD/TPn is tied Low, the default value of bit 16.0 = 0. If SD/TPn is not tied Low, the default value of bit 16.0 = 1.
Table 44. Port Configuration Register (Address 16, Hex 10)
Table 45. Quick Status Register (Address 17, Hex 11)
SQE
(10BASE-T)
TP Loopback
(10BASE-T)
CRS Select
(10BASE-T)
FIFO Size
PRE_EN
(10BASE-T)
Reserved
Reserved
Far End Fault
Transmit Enable
Alternate NP
feature
Fiber Select
Reserved
10/100 Mode
Transmit Status
Receive Status
Collision Status
Link
Duplex Mode
Auto-Negotiation
Name
Name
This bit is ignored by the LXT97x1.
1 = Enable Heart Beat.
0 = Disable Heart Beat.
1 = Disable TP loopback during half duplex operation.
0 = Normal Operation.
1 = CRS de-assert extends to RXDV de-assert.
0 = Normal operation.
0 = FIFO allows packets up to 2 KBytes.
1 = FIFO allows packets up to 10 KBytes.
Packet sizes assume a 450 ppm difference between the reference clock and the
recovered clock.
Preamble Enable.
0 = Set RX_DV high coincident with SFD.
1 = Set RX_DV high and RXD=preamble when CRS is asserted.
Write as zero. Ignore on read.
Write as zero. Ignore on read.
1 = Enable Far End Fault code transmission.
0 = Disable Far End Fault code transmission.
1 = Enable alternate auto-negotiate next page feature.
0 = Disable alternate auto-negotiate next page feature.
1 = Select fiber mode for this port.
0 = Select TP mode for this port.
Always 0.
1 = LXT97x1 is operating in 100BASE-TX mode.
0 = LXT97x1 is not operating 100BASE-TX mode.
1 = LXT97x1 is transmitting a packet.
0 = LXT97x1 is not transmitting a packet.
1 = LXT97x1 is receiving a packet.
0 = LXT97x1 is not receiving a packet.
1 = Collision is occurring.
0 = No collision.
1 = Link is up.
0 = Link is down.
1 = Full duplex.
0 = Half duplex.
1 = LXT97x1 is in Auto-Negotiation Mode.
0 = LXT97x1 is in manual mode.
Fast Ethernet 10/100 Multi-Port Transceiver with RMII — LXT9761/9781
Description
Description
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
RO
RO
RO
1
1
Default
Default
Note 2
0
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
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