KS8893ML MICREL [Micrel Semiconductor], KS8893ML Datasheet - Page 70
![no-image](/images/no-image-200.jpg)
KS8893ML
Manufacturer Part Number
KS8893ML
Description
Integrated 3-Port 10/100 Managed Switch with PHYs Preliminary Data Sheet Rev. 1.0
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet
1.KS8893ML.pdf
(106 pages)
- Current page: 70 of 106
- Download datasheet (650Kb)
Note: Most of the contents in registers 26-31 and registers 42-47 for ports 1 and 2, respectively, can also be
accessed with the MIIM PHY registers.
Register 26 (0x1A): Port 1 PHY Special Control/Status
Register 42 (0x2A): Port 2 PHY Special Control/Status
Register 58 (0x3A): Reserved, not applied to port 3
Bit
7
6-5
4
3
2
1
0
Register 27 (0x1B): Port 1 LinkMD Result
Register 43 (0x2B): Port 2 LinkMD Result
Register 59 (0x3B): Reserved, not applied to port 3
Bit
7-0
June 2005
Name
Remote
Loopback
Name
Vct 10M Short
Vct_result
Vct_en
Force_lnk
Pwrsave
Vct_fault_count[8]
Vct_fault_count[7:0]
R/W
RO
RO
R/W
(SC)
R/W
R/W
R/W
RO
R/W
RO
Description
1 = Less than 10 meter short
00 = normal condition
01 = open condition detected in cable
10 = short condition detected in cable
11 = cable diagnostic test has failed
= 1, enable cable diagnostic test. After VCT test
has completed, this bit will be self-cleared.
= 0, indicate cable diagnostic test (if enabled)
has completed and the status information is valid
for read.
1 = Force link pass
0 = Normal Operation
1 = Enable power saving
0 = Disable power saving
1 = Perform Remote loopback, as follows:
0 = Normal Operation
Bit[8] of VCT fault count
Distance to the fault.
It’s approximately 0.4m*vct_fault_count[8:0]
Bits[7:0] of VCT fault count
Distance to the fault.
It’s approximately 0.4m*Vct_fault_count[8:0]
Description
Port 1 (reg. 26, bit 1 = ‘1’)
Port 2 (reg. 42, bit 1 = ‘1’)
Start: RXP1/RXM1 (port 1)
Loopback: PMD/PMA of port 1’s PHY
End: TXP1/TXM1 (port 1)
Start: RXP2/RXM2 (port 2)
Loopback: PMD/PMA of port 2’s PHY
End: TXP2/TXM2 (port 2)
70
Default
0
00
0
0
1
0
0
Default
0x00
M9999-063005
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