KSZ8842-PMBL AM TR Micrel Inc, KSZ8842-PMBL AM TR Datasheet - Page 65
KSZ8842-PMBL AM TR
Manufacturer Part Number
KSZ8842-PMBL AM TR
Description
2-Port Ethernet Switch/Repeater + 32-bit/33MHz PCI Bus Interface( )
Manufacturer
Micrel Inc
Datasheet
1.KSZ8842-PMBL_AM_TR.pdf
(119 pages)
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
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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
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