KSZ8842-PMBLAM MICREL [Micrel Semiconductor], KSZ8842-PMBLAM Datasheet - Page 92
![no-image](/images/no-image-200.jpg)
KSZ8842-PMBLAM
Manufacturer Part Number
KSZ8842-PMBLAM
Description
2-Port Ethernet Switch with PCI Interface
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet
1.KSZ8842-PMBLAM.pdf
(119 pages)
- Current page: 92 of 119
- Download datasheet (961Kb)
Micrel, Inc.
Port 2 PHY Special Control/Status, LinkMD (Offset 0x0530): P2SCSLMD
This register contains the port 2 LinkMD control register for the switch port 2 function.
Port 2 Control Register 4 (Offset 0x0532): P2CR4
This register contains the global per port control for the switch port 2 function.
October 2007
14:13
8 – 0
Bit
Bit
15
14
13
12
15
12
11
10
9
Default
Default
0
0
0
0
0
0
0
0
1
0
0
clear)
(self-
R/W
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
SC
Description
Vct 10M short
Less than 10 meter short
Vct result
[00] = normal condition
[01] = open condition has been detected in cable
[10] = short condition has been detected in cable
[11] = cable diagnostic test is failed
Vct enable
1 = the cable diagnostic test is enabled. It’ll be self-
cleared after VCT test is done
0 = it indicates the cable diagnostic test is completed
and the status information is valid for read
Force Link
1 = Force link pass
0 = Normal Operation
Power Saving
1 = Disable
0 = Enable power saving
Remote loop back >>
1 = Loop back at PMD/PMA of port 2’s PHY
End: TXP2/TXM2 (port 2)
0 = normal operation.
VCT fault count
Distance to the fault. It’s approximately
0.4m*vct_fault_count
Description
LED off
1 = Turn off all port 2’s LEDs (LED2_3, LED2_2,
LED2_1, LED2_0. These pin/balls will be driven high
if this bit is set to one.
0 = normal operation
Txids
1 = disable port’s transmitter
0 = normal operation
Restart AN
1 = restart auto-negotiation
0 = normal operation
Disable Far end fault
1 = disable far end fault detection & pattern
transmission.
0 = enable far end fault detection & pattern
transmission.
92
Is the same as:
P2VCT, bit 12
P2VCT, bits 14-13
P2VCT, bit 15
P2PHYCTRL,
bit 3
P2PHYCTRL,
bit 2
P2PHYCTRL,
bit 1
P2VCT, bits 8-0
Is the same as:
P2MBCR, bit 0
P2MBCR, bit 1
P2MBCR, bit 9
P2MBCR, bit 2
KSZ8842-PMQL/PMBL
M9999-100207-1.5
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