KSZ8051MLL View Datasheet(PDF) - Micrel
Part Name
Description
MFG CO.
'KSZ8051MLL' PDF : 51 Pages View PDF
Micrel, Inc.
Register Description (Continued)
Address
Name
Register 0h – Basic Control
0.11
Power Down
Description
1 = Power down mode
0 = Normal operation
If software reset (register 0.15) is used to exit
Power Down mode (register 0.11 = 1), two
software reset writes (register 0.15 = 1) are
required. First write clears Power Down mode;
second write resets chip and re-latches the pin
strapping pin values.
1 = Electrical isolation of PHY from MII
0.10
Isolate
0 = Normal operation
1 = Restart auto-negotiation process
0.9
Restart Auto-
Negotiation
0 = Normal operation.
This bit is self-cleared after a ‘1’ is written to it.
Mode(1)
RW
RW
RW/SC
1 = Full-duplex
0.8
Duplex Mode
RW
0 = Half-duplex
0.7
0.6:0
Collision Test
Reserved
1 = Enable COL test
0 = Disable COL test
Register 1h – Basic Status
1.15
100Base-T4
1.14
1.13
1.12
1.11
1.10:7
1.6
1.5
1.4
1.3
100Base-TX
Full Duplex
100Base-TX
Half Duplex
10Base-T Full
Duplex
10Base-T Half
Duplex
Reserved
No Preamble
Auto-
Negotiation
Complete
Remote Fault
Auto-
Negotiation
Ability
1 = T4 capable
0 = Not T4 capable
1 = Capable of 100Mbps full-duplex
0 = Not capable of 100Mbps full-duplex
1 = Capable of 100Mbps half-duplex
0 = Not capable of 100Mbps half-duplex
1 = Capable of 10Mbps full-duplex
0 = Not capable of 10Mbps full-duplex
1 = Capable of 10Mbps half-duplex
0 = Not capable of 10Mbps half-duplex
1 = Preamble suppression
0 = Normal preamble
1 = Auto-negotiation process completed
0 = Auto-negotiation process not completed
1 = Remote fault
0 = No remote fault
1 = Capable to perform auto-negotiation
0 = Not capable to perform auto-negotiation
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO/LH
RO
Default
KSZ8051MLL
0
Set by ISO strapping pin.
See “Strapping Options” section
for details.
0
Inverse of DUPLEX strapping pin
value.
See “Strapping Options” section
for details.
0
000_0000
0
1
1
1
1
0000
1
0
0
1
July 2010
28
M9999-071210-1.0
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