DM9006 datasheet(28/76 Pages) DAVICOM

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DM9006

2-port Switch with Processor Interface

Preliminary datasheet

DM9006-13-DS-P01

September 1, 2009

6.35 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

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, bit 2

reserved, and bit 3 for processor port.

6.36 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

The received multicast packets are not forward to the assigned ports.

6.37 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

The received broadcast packets are not forward to the assigned ports.

6.38 Per Port Block Unknown Ports Control Register (6BH)

Bit

Name

Default

Description

7:4

RESERVED

PH0,RW Reserved

3:0

BLK_UKP

PH0,RW Ports of Unknown Packet Be Blocked

The packets with DA field not found in address table are not forward to

the assigned ports.

6.39 Per Port Security & STP Register (6CH)

Bit

Name

Default

Description

7:6

RESERVED

0,RO

Reserved

5:4

STPS

PH0,RW

Spanning Tree Port State

There are 4 port state for supporting Spanning Tree Protocol

00: Forwarding State, The port transmits and receives packets normally &

learning is enabled.

01: Disabled State, The port will not transmit and receive any packets & learning

is disabled.

10: Learning State, The port will only forward the packets that are to and from

uP port (span packets) & leaning is enabled.

11: Blocking/Listening State, The port will only forward the packets that are to

and from uP port (span packets) & leaning is disabled.

RESERVED

0,RO

Reserved

PS_UNK

PHE0,RW Unknown source address handling when port security is enabled

0: Discard Unknown (Default)

1: Unknown to uP Port

DM9006 Datasheet(PDF) 28 Page - Davicom Semiconductor, Inc.

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