LXT972 Level One, LXT972 Datasheet - Page 61

• Manufacturer Part Number: LXT972
• Description: 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
• Manufacturer: Level One

Table 49: Interrupt Status Register (Address 19, Hex 13)
19.15:9 Reserved
19.8
19.7
19.6
19.5
19.4
19.3
19.2
19.1
19.0
1. R/W = Read/Write, SC = Self Clearing.
Bit
Reserved
ANDONE
SPEEDCHG
DUPLEXCHG Duplex Change Status
LINKCHG
Reserved
MDINT
Reserved
Reserved
Name
Auto Negotiation Status
1 = Auto Negotiation has completed.
0 = Auto Negotiation has not completed.
1 = A Speed Change has occurred since last reading this register.
0 = A Speed Change has not occurred since last reading this register.
1 = A Duplex Change has occurred since last reading this register.
0 = A Duplex Change has not occurred since last reading this register.
1 = A Link Change has occurred since last reading this register.
0 = A Link Change has not occurred since last reading this register.
1 = MII interrupt pending.
0 = No MII interrupt pending.
Ignore.
Ignore
Ignore
Speed Change Status
Link Status Change Status
Ignore
Ignore
Description
LXT972 Register Definitions
Type
RO/SC
RO/SC
RO/SC
RO/SC
RO
RO
RO
RO
RO
RO
1
Default
N/A
N/A
N/A
0
0
0
0
0
0
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