KSZ8842-PMBL AM TR Micrel Inc, KSZ8842-PMBL AM TR Datasheet - Page 73

• 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.
PHY2 LinkMD Control/Status (Offset 0x04F4): P2VCT
This register contains the LinkMD control and status of PHY 2:
PHY2 Special Control/Status Register (Offset 0x04F6): P2PHYCTRL
This register contains the control and status information of PHY2:
Reserved (Offset 0x04F8 - 0x04FA)
October 2007
11 – 9
15 – 6
15 – 0
14:13
8 – 0
Bit
Bit
Bit
15
12
5
4
3
2
1
0
0 (Self_Clear)
Default
Default
Default
0x0000
0
–
0
0
0
0
0
0
1
0
0
R/W
R/W
R/W
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
RO
Description
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
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 10M short
1 = Less than 10 meter short
Reserved
Vct_fault_count
Distance to the fault. The distance is approximately
0.4m X vct_fault_count
Description
Reserved
Polarity reverse (polrvs)
1 = polarity is reversed
0 = polarity is not reversed
MDIX Status (mdix_st)
1 = MDI
0 = MDIX
Force Link (force_lnk)
1 = force link pass
0 = normal operation
Power Saving (pwrsave)
1 = Disable
0 = Enable power saving
Remote loop back (near end loop back )
1 = Loop back at PMD/PMA of port 2’s PHY
0 = normal operation.
Reserved
Description
Reserved
73
Is the same as:
P2SCSLMD, bit 12
P2SCSLMD, bits
14-13
P2SCSLMD, bit 15
P2SCSLMD, bits 8-
0
Is the same as:
P2SR, bit 13
P2SR, bit 7
P2SCSLMD, bit 11
P2SCSLMD, bit 10
P2SCSLMD, bit 9
KSZ8842-PMQL/PMBL
M9999-100207-1.5