DM8603EP DAVICOM [Davicom Semiconductor, Inc.], DM8603EP Datasheet - Page 34

• Manufacturer Part Number: DM8603EP
• Description: 10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface
• Manufacturer: DAVICOM [Davicom Semiconductor, Inc.]

Preliminary datasheet
DM8603-12-DS-P01
November 8, 2010
7:4
3:0
A4h.[7:4]
A4h.[3:0]
84h.[7:4]
94h.[7:4]
84h.[3:0]
94h.[3:0]
PSE,RW
PSE,RW
0000b
0000b
10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface
BSTH[3:0]
Broadcast Storm Threshold
These bits define the bandwidth threshold that received broadcast
packets over the threshold are discarded
BW_CTRL[3:0]
Ingress and Egress Rate Control (Combined mode)
Received and Transmitted Bandwidth Control
These bits define the bandwidth threshold that transmitted or
received packets over the threshold are discarded
0000: no broadcast storm control
0001: 8K packets/sec
0010: 16K packets/sec
0011: 64K packets/sec
0100: 5%
0101: 10%
0110: 20%
0111: 30%
1000: 40%
1001: 50%
1010: 60%
1011: 70%
1100: 80%
1101: 90%
111X: no broadcast storm control
0000: none
0001: 64Kbps
0010: 128Kbps
0011: 256Kbps
0100: 512Kbps
0101: 1Mbps
0110: 2Mbps
0111: 4Mbps
1000: 8Mbps
1001: 16Mbps
1010: 32Mbps
1011: 48Mbps
1100: 64Mbps
1101: 72Mbps
1110: 80Mbps
1111: 88Mbps
DM8603
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