KSZ8893MQLI Datasheet, PDF (80/116 Pages) Micrel Semiconductor – Integrated 3-Port 10/100 Managed Switch with PHYs

Micrel, Inc.
KSZ8893MQL/MBL
Register 30 (0x1E): Port 1 Status 0
Register 46 (0x2E): Port 2 Status 0
Register 62 (0x3E): Reserved, not applied to port 3
Bit
Name
R/W Description
7
MDI-X Status _RO
= 1, MDI-X
= 0, MDI
6
AN Done
RO
= 1, auto-negotiation completed
= 0, auto-negotiation not completed
5
Link Good
RO
= 1, link good
= 0, link not good
4
Partner Flow
RO
= 1, link partner flow control (pause) capable
Control
= 0, link partner not flow control (pause) capable
Capability
3
Partner 100BT _RO
= 1, link partner 100BT full duplex capable
Full Duplex
= 0, link partner not 100BT full duplex capable
Capability
2
Partner 100BT _RO
= 1, link partner 100BT half duplex capable
Half Duplex
= 0, link partner not 100BT half duplex capable
Capability
1
Partner 10BT _RO
= 1, link partner 10BT full duplex capable
Full Duplex
= 0, link partner not 10BT full duplex capable
Capability
0
Partner 10BT _RO
= 1, link partner 10BT half duplex capable
Half Duplex
= 0, link partner not 10BT half duplex capable
Capability
Default
0
0
0
0
0
0
0
0
Register 31 (0x1F): Port 1 Status 1
Register 47 (0x2F): Port 2 Status 1
Register 63 (0x3F): Port 3 Status 1
Bit
Name
R/W Description
7
Hp_mdix
R/W 1 = HP Auto MDI/MDI-X mode
0 = Micrel Auto MDI/MDI-X mode
Default
1
Note: Only ports
1 and 2 are PHY
ports.
This bit is not
applicable to port
3 (MII).
6
Reserved
RO Reserved
Do not change the default value.
5
Polrvs
RO 1 = polarity is reversed
0 = polarity is not reversed
0
0
Note: Only ports
1 and 2 are PHY
ports.
This bit is not
applicable to port
3 (MII).
4
Transmit Flow RO 1 = transmit flow control feature is active
0
Control Enable
0 = transmit flow control feature is inactive
3
Receive Flow RO 1 = receive flow control feature is active
0
Control Enable
0 = receive flow control feature is inactive
February 2010
80
M9999-021110-1.6