dm9332 Davicom Semiconductor, Inc., dm9332 Datasheet - Page 21
dm9332
Manufacturer Part Number
dm9332
Description
10/100mbps Ethernet Fiber/twisted Pair Single Chip Media Converter
Manufacturer
Davicom Semiconductor, Inc.
Datasheet
1.DM9332.pdf
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6.14 Bandwidth Control Setting Register (67H)
6.15 Per Port Block Unicast ports Control Register (68H)
Preliminary datasheet
DM9332-15-DS-P01
August 26, 2009
7:4
3:0
7:4
3:0
Bit
Bit
RESERVED
BLK_UP
BW CTRL
Name
BSTH
Name
PE0,RW
PE0,RW
PH0,RW
PH0,RW
Default
Default
10/100Mbps Ethernet Fiber/Twisted Pair Single Chip Media Converter
Broadcast Storm Threshold
These bits define the bandwidth threshold that received broadcast 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
Received and Transmitted Bandwidth Control
These bits define the bandwidth threshold that transmitted or received packets
over the threshold are discarded
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
Reserved
Ports of Unicast Packet Be Blocked
The received unicast packets are not forward to the assigned ports.
Note that the assigned port definition: bit 0 for port 0, bit 1 for port 1,
Description
Description
DM9332
21
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