KSZ8842MQL Datasheet, PDF (113/141 Pages) Micrel Semiconductor – 2-Port Ethernet Switch with Non-PCI Interface

Micrel, Inc.
Bank 51 Port 2 Status Register (0x04): P2SR
This register contains the global per port status for the switch function.
Bit Default
15
1
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
0
R/W Description
RW HP_mdix
1 = HP Auto MDI-X mode.
0 = Micrel Auto MDI-X mode.
RO
Reserved
RO
Polarity Reverse
1 = polarity is reversed.
0 = polarity is not reversed.
RO
Receive Flow Control Enable
1 = receive flow control feature is active.
0 = receive flow control feature is inactive.
RO
Transmit Flow Control Enable
1 = transmit flow control feature is active.
0 = transmit flow control feature is inactive.
RO
Operation Speed
1 = link speed is 100Mbps.
0 = link speed is 10Mbps.
RO
Operation Duplex
1 = link duplex is full.
0 = link duplex is half.
RO
Reserved
RO
MDI-X Status
1 = MDI.
0 = MDI-X.
RO
AN Done
1 = AN done.
0 = AN not done.
RO
Link Good
1 = link good.
0 = link not good.
RO
Partner flow control capability.
1 = link partner flow control (pause) capable.
0 = link partner not flow control (pause) capable.
RO
Partner 100BT full-duplex capability.
1 = link partner 100BT full-duplex capable.
0 = link partner not 100BT full-duplex capable.
RO
Partner 100BT half duplex capability.
1 = link partner 100BT half-duplex capable.
0 = link partner not 100BT half-duplex capable.
RO
Partner 10BT full-duplex capability.
1 = link partner 10BT full-duplex capable.
0 = link partner not 10BT full-duplex capable.
RO
Partner 10BT half-duplex capability.
1 = link partner 10BT half-duplex capable.
0 = link partner not 10BT half-duplex capable.
October 2007
113
KSZ8842-16/32 MQL/MVL/MVLI/MBL
Bit is same as:
Bank 46 0x00 bit 5
Bank 47 0x06 bit 5
Bank 46 0x02 bit 4
Bank 47 0x06 bit 4
Bank 46 0x02 bit 5
Bank 46 0x02 bit 2
Bank 46 0x0A bit 10
Bank 46 0x0A bit 8
Bank 46 0x0A bit 7
Bank 46 0x0A bit 6
Bank 46 0x0A bit 5
M9999-102207-1.9