
Micrel, Inc.
KSZ8862-16/32MQL
April 2007
87
M9999-040407-3.0
Bank 47 PHY1 Special Control/Status Register (0x02): P1PHYCTRL
This register contains the control and status information of PHY1.
Bit
Default
R/W
Description
Bit is same as:
15-6
0x000
RO
Reserved
5
0
RO
Polarity Reverse (polrvs)
1 = polarity is reversed.
0 = polarity is not reversed.
Bank 49 0x04 bit 13
4
0
RO
MDI-X Status (mdix_st)
1 = MDI
0 = MDI-X
Bank 49 0x04 bit 7
3
0
RW
Force Link (force_lnk)
1 = force link pass.
0 = normal operation.
Bank 49 0x00 bit 11
2
1
RW
Power Saving (pwrsave)
1 = disable power saving.
0 = enable power saving.
Bank 49 0x00 bit 10
1
0
RW
Remote (Near-End) Loopback (rlb)
1 = perform remote loopback at Port 1's PHY (RXP1/RXM1 ->
TXP1/TXM1, see Figure 15)
0 = normal operation
Bank 49 0x00 bit 9
0
RW
Reserved
Bank 47 PHY2 LinkMD
Control/Status (0x04): P2VCT
This register contains the LinkMD
control and status information of PHY 2.
Bit
Default
R/W
Description
Bit is same as:
15
0
(Self-
Clear)
RW
Vct_enable
1 = the cable diagnostic test is enabled. It is self-cleared after
the VCT test is done.
0 = it indicates the cable diagnostic test is completed and the
status information is valid for read.
Bank 51 0x00 bit 12
14-13
0x0
RO
Vct_result
[00] = normal condition.
[01] = open condition detected in the cable.
[10] = short condition detected in the cable.
[11] = cable diagnostic test failed.
Bank 51 0x00 bit 14-13
12
-
RO
Vct 10M Short
1 = Less than 10m short.
Bank 51 0x00 bit 15
11-9
0x0
RO
Reserved
8-0
0x000
RO
Vct_fault_count
Distance to the fault. The distance is approximately
0.4m*vct_fault_count.
Bank 51 0x00 bit 8-0