DM9013 datasheet(31/75 Pages) DAVICOM

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DM9013

3-port switch with Processor Interface

Preliminary datasheet

DM9013-15-DS-P03

April 9, 2009

6.46 Bandwidth Control Setting Register (67H)

Bit

Name

Default

Description

7:4

BSTH

PE0,RW

Broadcast Storm Threshold

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

3:0

BW CTRL

PE0,RW

Received packet length counted. Bandwidth table below.

0000: none

0001: 64K

0010: 128K

0011: 256K

0100: 512K

0101: 1M

0110: 2M

0111: 4M

1000: 8M

1001: 16M

1010: 32M

1011: 48M

1100: 64M

1101: 72M

1110: 80M

1111: 88M

6.47 Per Port Block Unicast ports Control Register (68H)

Bit

Name

Default

Description

7:4

RESERVED

PH0,RW Reserved

3:0

BLK_UP

PH0,RW Ports of unicast packet be blocked

6.48 Per Port Block Multicast ports Control Register (69H)

Bit

Name

Default

Description

7:4

RESERVED

PH0,RW Reserved

3:0

BLK_MP

PH0,RW Ports of multicast packet be blocked

6.49 Per Port Block Broadcast ports Control Register (6AH)

Bit

Name

Default

Description

7:4

RESERVED

PH0,RW Reserved

3:0

BLK_BP

PH0,RW Ports of broadcast packet be blocked

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