KSZ8842-PMBL AM TR Micrel Inc, KSZ8842-PMBL AM TR Datasheet - Page 65

• Manufacturer Part Number: KSZ8842-PMBL AM TR
• Description: 2-Port Ethernet Switch/Repeater + 32-bit/33MHz PCI Bus Interface( )
• Manufacturer: Micrel Inc

Specifications of KSZ8842-PMBL AM TR

• Number Of Primary Switch Ports: 2
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII
• Power Supply Type: Analog/Digital
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.5V
• Operating Supply Voltage (min): 3.1V
• Operating Temperature Classification: Industrial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Micrel, Inc.
Indirect Access Data Register 5 (Offset 0x04AA): IADR5
This register contains the indirect data for the switch function.
Reserved (Offset 0x04B0 - 0x04BA)
Reserved (Offset 0x04C0 –0x04CF)
PHY 1 MII Basic Control Register (Offset 0x04D0): P1MBCR
This register contains the MII control for the switch port 1 function.
October 2007
15 – 0
Bit
Bit
15
14
13
12
11
10
9
8
7
6
5
4
Default
Default
0x0000
0
0
0
1
0
0
0
0
0
0
0
0
R/W
R/W
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
Description
Indirect data
Bit 31-16 of indirect data
Description
Soft reset
Not supported
Loop back
1 = perform loop back as follows:
Start: RXP1/RXM1 (port 2)
Loop back: PMD/PMA of port 1’s PHY
End: TXP1/TXM1 (port 2)
0 = normal operation.
Force 100
1 = 100 Mbps if AN is disabled (bit 12)
0 = 10 Mbps if AN is disabled (bit 12)
AN enable
1 = Auto-negotiation enabled
0 = Auto-negotiation disabled
Power down
1 = Power down the PHY 1
0 = Normal operation
Isolate
Not supported
Restart AN
1 = Restart auto-negotiation
0 = Normal operation
Force full duplex
1 = Full duplex if AN is disabled (bit 12)
0 = Half duplex if AN is disabled (bit 12)
Collision test
Not supported
Reserved
HP_mdix
1 = HP Auto MDIX mode
0 = Micrel Auto MDIX mode
Force MDIX
1 = Force MDIX
0 = Normal operation
65
Is the same as:
P1CR4, bit 8
P1CR4, bit 6
P1CR4, bit 7
P1CR4, bit 11
P1CR4, bit 13
P1CR4, bit 5
P1SR, bit 15
P1CR4, bit 9
KSZ8842-PMQL/PMBL
M9999-100207-1.5