KSZ8893-MQL Micrel Semiconductor, Inc., KSZ8893-MQL Datasheet - Page 50

• Manufacturer Part Number: KSZ8893-MQL
• Description: Integrated 3-Port 10/100 Managed Switch with PHYs
• Manufacturer: Micrel Semiconductor, Inc.

PHY1 Register 0 (PHYAD = 0x1, REGAD = 0x0): MII Basic Control
PHY2 Register 0 (PHYAD = 0x2, REGAD = 0x0): MII Basic Control
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Micrel
November 2005
Name
Soft reset
Loopback
Force 100
AN enable
Power down
Isolate
Restart AN
Force full
duplex
Collision test
Reserved
Hp_mdix
Force MDI
Disable MDIX
Disable far-end
fault
Disable
transmit
Disable LED
R/W
RO
R/W
R/W
R/W
R/W
RO
R/W
R/W
RO
RO
R/W
R/W
R/W
R/W
R/W
R/W
Description
NOT SUPPORTED
= 1, Perform loopback, as indicated:
=0, Normal operation
=1, 100 Mbps
=0, 10 Mbps
=1, Auto-negotiation enabled
=0, Auto-negotiation disabled
=1, Power down
=0, Normal operation
NOT SUPPORTED
=1, Restart auto-negotiation
=0, Normal operation
=1, Full duplex
=0, Half duplex
NOT SUPPORTED
1 = HP Auto MDI/MDI-X mode
0 = Micrel Auto MDI/MDI-X mode
=1, Force MDI (transmit on RXP / RXM pins)
=0, Normal operation (transmit on TXP / TXM
pins)
=1, Disable auto MDI-X
=0, Enable auto MDI-X
=1, Disable far-end fault detection
=0, Normal operation
=1, Disable transmit
=0, Normal operation
=1, Disable LED
=0, Normal operation
Port 1 Loopback (reg. 29, bit 0 = ‘1’)
Port 2 Loopback (reg. 45, bit 0 = ‘1’)
Start: RXP2/RXM2 (port 2)
Loopback: PMD/PMA of port 1’s PHY
End: TXP2/TXM2 (port 2)
Start: RXP1/RXM1 (port 1)
Loopback: PMD/PMA of port 2’s PHY
End: TXP1/TXM1 (port 1)
50
Default
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
Reference
Reg. 29, bit 0
Reg. 45, bit 0
Reg. 28, bit 6
Reg. 44, bit 6
Reg. 28, bit 7
Reg. 44, bit 7
Reg. 29, bit 3
Reg. 45, bit 3
Reg. 29, bit 5
Reg. 45, bit 5
Reg. 28, bit 5
Reg. 44, bit 5
Reg. 31, bit 7
Reg. 47, bit 7
Reg. 29, bit 1
Reg. 45, bit 1
Reg. 29, bit 2
Reg. 45, bit 2
Reg. 29, bit 4
Reg. 29, bit 6
Reg. 45, bit 6
Reg. 29, bit 7
Reg. 45, bit 7
KSZ8893MQL/MQLI
M9999-111705