KS8893MQL Micrel Inc, KS8893MQL Datasheet - Page 77

• Manufacturer Part Number: KS8893MQL
• Description: IC MANAGED SWITCH 10/100 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8893MQL

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.5V
• Operating Supply Voltage (min): 3.1V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-1457

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
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
6-5
4
3
2
1
0
Bit
7-0
December 2007
Name
Vct 10M Short
Vct_result
Vct_en
Force_lnk
Pwrsave
Remote
Loopback
Vct_fault_count[8]
Name
Vct_fault_count[7
:0]
RO
R/W
RO
R/W
RO
RO
R/W
(SC)
R/W
R/W
R/W
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
0 = Enable power saving
1 = 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]
Description
Bits[7:0] of VCT fault count
Distance to the fault.
It’s approximately 0.4m*Vct_fault_count[8:0]
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)
77
Default
0x00
Default
0
00
0
0
1
0
0
M9999-121007-1.5