KS8993F Micrel Inc, KS8993F Datasheet - Page 69

• Manufacturer Part Number: KS8993F
• Description: IC CONV MED 10/100 3PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8993F

• 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): 1.8/2.5/3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII/SNI
• 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): 1.89/3.465V
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: KS8993F-EVAL - EVAL KIT EXPERIMENTAL KS8993F
• Lead Free Status / RoHS Status: Not Compliant, Lead free / RoHS Compliant

Register 70 (0x46): Loop Back Result Counter for CRC Error
Register 71 (0x47): Loop Back Result Counter for Timeout
Register 72 (0x48): Loop Back Result Counter for Good Packet
Register 73 (0x49): Additional Status (Center and Terminal side)
Micrel, Inc.
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
June 2009
Name
CRC7
CRC6
CRC5
CRC4
CRC4
CRC2
CRC1
CRC0
Name
TO7
TO6
TO5
TO4
TO3
TO2
TO1
TO0
Name
GO7
GO6
GO5
GO4
GO3
GO2
GO1
GO0
Name
Hard
Version 1
Hard
Version 0
Model
Version 1
Model
Version 0
HMC Loop
R/W
RO
RO
RO
RO
RO
RO
RO
RO
R/W
RO
RO
RO
RO
RO
RO
RO
RO
R/W
RO
RO
RO
RO
RO
RO
RO
RO
R/W
RO
RO
RW
RW
RO
Description
Center side only
This counter is incremented when loop back packet has CRC error.
0000_0000 : No CRC error received
0000_0001 : 1 CRC error received
1111_1111 : 255 CRC errors received
This counter is cleared when 0x00h is written to reg. 0x44h.
Description
Center side only
This counter is incremented when loop back packet has timeout.
0000_0000 : No timeout occurred
0000_0001 : 1 timeout occurred
1111_1111 : 255 timeouts occurred
This counter is cleared when 0x00h is written to reg. 0x44h.
Description
Center side only
This counter is incremented when loop back packet is returned good.
0000_0000 : No good packet
0000_0001 : 1 good packet
1111_1111 : 255 good packets
This counter is cleared when 0x00h is written to reg. 0x44h.
Description
Hard Version (bits [7:6])
Model Version (bits [5:4]):
1 = Center side receives “Loop Mode Stop Indication” frame from the
others: Reserved
:
:
00: 15km model
01: 40km model
:
69
[e-mail]
or [phone]
M9999-062509
KS8993F/FL
Default
0
0
0
0
0
0
0
0
Default
0
0
0
0
0
0
0
0
Default
0
0
0
0
0
0
0
0
Default
0
1
0
0
0