KS8993F-A1 Micrel Inc, KS8993F-A1 Datasheet - Page 55

• Manufacturer Part Number: KS8993F-A1
• Description: IC CONV MED 10/100 3PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8993F-A1

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• For Use With: KS8993F-EVAL - EVAL KIT EXPERIMENTAL KS8993F
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

KS8993F
Register 7 (0x07): Global Control 5
100BT Rate: 148,800 frames/sec * 67 ms/interval * 1% = 99 frames/interval (approx.) = 0x63
Register 8 (0x08): Global Control 6
Register 9 (0x09): Global Control 7
Register 10 (0x0A): Global Control 8
Register 11 (0x0B): Global Control 9
August 26, 2004
3
2-0
Bit
7-0
Bit
7-0
Bit
7-0
Bit
7-0
Bit
7
Null VID
replacemen
t
Broadcast
storm
protection
rate
Bit [10:8]
Name
Broadcast
storm
protection
rate
Bit [7:0]
Name
Factory
testing
Name
Factory
testing
Name
Factory
testing
Name
Reserved
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
= 1, will replace NULL VID with port VID(12 bits)
= 0, no replacement for NULL VID
This register along with the next register determines how many “64
byte blocks” of packet data allowed on an input port in a preset
period. The period is 50ms for 100BT or 500ms for 10BT. The
default is 1%.
Description
This register along with the previous register determines how many
“64 byte blocks” of packet data are allowed on an input port in a
preset period. The period is 67ms for 100BT or 500ms for 10BT.
The default is 1%.
Description
Reserved
Description
Reserved
Description
Reserved
- 55 -
strap option.
Pull
down(0):
Enable
100Mbps
Pull up(1):
Enable
10Mbps
Note:
SMRXD1
has internal
pull down
0
000
Default
0x63
Default
0x4E
Default
0x24
Default
0x24
Default
0
Revision 1.0
Micrel