DM9006 datasheet(7/76 Pages) DAVICOM

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DM9006

2-port Switch with Processor Interface

Preliminary datasheet

DM9006-13-DS-P01

September 1, 2009

8.18 DAVICOM indirect TX Amplitude Control Register (TX_OUT_CNTL) – indirect-04H ........................... 54

FUNCTIONAL DESCRIPTION....................................................................................... 55

9.1 Processor bus and memory management function: ................................................................................. 55

9.1.1 Processor Interface .................................................................................................................................. 55

9.1.2 Direct Memory Access Control................................................................................................................. 55

9.1.3 Packet Transmission................................................................................................................................ 55

9.1.4 Packet Reception ..................................................................................................................................... 55

9.2 Switch function:............................................................................................................................................. 56

9.2.1 Address Learning ..................................................................................................................................... 56

9.2.2 Address Aging.......................................................................................................................................... 56

9.2.3 Packet Forwarding ................................................................................................................................... 56

9.2.4 Inter-Packet Gap (IPG) ............................................................................................................................ 56

9.2.5 Back-off Algorithm.................................................................................................................................... 56

9.2.6 Late Collision............................................................................................................................................ 56

9.2.7 Half Duplex Flow Control ......................................................................................................................... 56

9.2.8 Full Duplex Flow Control .......................................................................................................................... 57

9.2.9 Partition Mode .......................................................................................................................................... 57

9.2.10 Broadcast Storm Filtering....................................................................................................................... 57

9.2.11 Bandwidth Control.................................................................................................................................. 57

9.2.12 Port Monitoring Support ......................................................................................................................... 57

9.2.13 VLAN Support ........................................................................................................................................ 59

9.2.13.1 Port-Based VLAN................................................................................................................................ 59

9.2.13.2 802.1Q-Based VLAN........................................................................................................................... 59

9.2.13.3 Tag/Untag ........................................................................................................................................... 59

9.2.14 Priority Support ...................................................................................................................................... 59

9.2.14.1 Port-Based Priority .............................................................................................................................. 60

9.2.14.2 802.1p-Based Priority.......................................................................................................................... 60

9.2.14.3 DiffServ-Based Priority........................................................................................................................ 60

9.2.15 Address Table Accessing....................................................................................................................... 60

9.2.16 Access Rules of Address Table ............................................................................................................. 60

9.2.17 IGMP Snooping...................................................................................................................................... 63

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