KS8993F A5 Micrel Inc, KS8993F A5 Datasheet - Page 55

• Manufacturer Part Number: KS8993F A5
• Manufacturer: Micrel Inc

Specifications of KS8993F A5

• 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: Not 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