LXT974/LXT975 — Fast Ethernet 10/100 Quad Transceivers
Table 55. Port Status Register (Address 20, Hex 14) (Continued)
Bit
Name
Description
Type 1
Default
1 = MLT3 encoding error detected.
RO/
LH
MLT3
Encoding Error
20.4
N/A
N/A
N/A
N/A
N/A
0 = No MLT3 encoding error detected.
Ignore.
20.3
20.2
20.1
20.0
Reserved
RO
Low-Voltage
Fault
1 = Low-voltage fault on VCC has occurred.
0 = No fault.
RO/
LH
Reserved
Reserved
Write as 0, ignore on read.
Ignore.
R/W
RO/
LH
1. R/W = Read /Write
RO = Read Only
LH = Latching High
2. Bits 20.12 and 20.11 reflect the current operating mode of the LXT974/975.
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Datasheet