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
Preliminary datasheet
DM8203-15-DS-P05
October 23, 2008
5
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
