DM8203
2-port switch with MII / RMII Interface
8.13 DAVICOM Specified Receive Error Counter Register (RECR) – 16H................................................................... 42
8.14 DAVICOM Specified Disconnect Counter Register (DISCR) – 17H....................................................................... 42
8.15 Power Saving Control Register (PSCR) – 1DH.......................................................................................................... 42
9. FUNCTIONAL DESCRIPTION....................................................................................... 43
9.1 Serial Management Interface ........................................................................................................................................ 43
9.2 Switch function:.............................................................................................................................................................. 44
9.2.1 Address Learning.................................................................................................................................................. 44
9.2.2 Address Aging ....................................................................................................................................................... 44
9.2.3 Packet Forwarding................................................................................................................................................ 44
9.2.4 Inter-Packet Gap (IPG)......................................................................................................................................... 44
9.2.5 Back-off Algorithm................................................................................................................................................. 44
9.2.6 Late Collision ......................................................................................................................................................... 44
9.2.7 Full Duplex Flow Control...................................................................................................................................... 44
9.2.8 Half Duplex Flow Control ..................................................................................................................................... 44
9.2.9 Partition Mode........................................................................................................................................................ 45
9.2.10 Broadcast Storm Filtering .................................................................................................................................. 45
9.2.11 Bandwidth Control............................................................................................................................................... 45
9.2.12 Port Monitoring Support..................................................................................................................................... 45
9.2.13 VLAN Support...................................................................................................................................................... 46
9.2.13.1 Port-Based VLAN ............................................................................................................................................ 46
9.2.13.2 802.1Q-Based VLAN....................................................................................................................................... 46
9.2.13.3 Tag/Untag......................................................................................................................................................... 46
9.2.14 Priority Support.................................................................................................................................................... 47
9.2.14.1 Port-Based Priority .......................................................................................................................................... 47
9.2.14.2 802.1p-Based Priority...................................................................................................................................... 47
9.2.14.3 DiffServ-Based Priority.................................................................................................................................... 47
9.3 MII Interface................................................................................................................................................................... 48
9.3.1 MII data interface................................................................................................................................................... 48
9.3.2 MII Serial Management ........................................................................................................................................ 48
Preliminarydatasheet
DM8203-15-DS-P05
October 23, 2008
5
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
