DM9620 datasheet(4/71 Pages) DAVICOM

4 / 71 page

DM9620

USB2.0 to Fast Ethernet Controller

Preliminary

Version: DM9620 -15-DS-P02

February 20, 2012

6.3 PHY ID Identifier Register #1 (PHYID1) – 02H ..................................................................... 33

6.4 PHY Identifier Register #2 (PHYID2) – 03H........................................................................... 33

6.5 Auto-negotiation Advertisement Register(ANAR) – 04H ....................................................... 33

6.6 Auto-negotiation Link Partner Ability Register (ANLPAR) – 05H......................................... 34

6.7 Auto-negotiation Expansion Register (ANER)- 06H ............................................................... 35

6.8 DAVICOM Specified Configuration Register (DSCR) – 10H................................................. 35

6.9 DAVICOM Specified Configuration and Status Register (DSCSR) – 11H............................. 37

6.10 10BASE-T Configuration/Status (10BTCSR) – 12H ............................................................. 38

6.11 Power down Control Register (PWDOR) – 13H.................................................................... 38

6.12 (Specified config) Register – 14H ..........................................................................................39

6.13 DSP Control (DSP_CTRL) – 1BH ......................................................................................... 40

6.14 Power Saving Control Register (PSCR) – 1DH ..................................................................... 40

7. Functional description......................................................................................................................... 41

7.1 USB Functional description...................................................................................................... 41

7.1.1 USB Standard Command............................................................................................... 41

7.1.2 Vendor commands ......................................................................................................... 42

7.1.2.1 Register Type .............................................................................................................. 42

7.1.2.2 Memory Type.............................................................................................................. 43

7.1.3 Interface 0 Configuration............................................................................................... 44

7.1.4 Descriptor Values........................................................................................................... 45

7.1.5 Descriptors of string/1/2/3 are loaded from EEPROM.................................................. 50

7.2 Ethernet Functional Description ............................................................................................... 52

7.2.1 Serial Management Interface ......................................................................................... 52

7.2.2 100Base-TX Operation .................................................................................................. 52

7.2.3 4B5B Encoder................................................................................................................ 52

7.2.4 Scrambler ....................................................................................................................... 53

7.2.5 Parallel to Serial Converter............................................................................................ 53

7.2.6 NRZ to NRZI Encoder................................................................................................... 53

7.2.7 MLT-3 Converter...........................................................................................................53

7.2.8 MLT-3 Driver ................................................................................................................ 53

7.2.9 4B5B Code Group.......................................................................................................... 54

7.2.10 100Base-TX Receiver.................................................................................................. 55

7.2.11 Signal Detect................................................................................................................ 55

7.2.12 Adaptive Equalization.................................................................................................. 55

DM9620 Datenblatt(PDF) 4 Page - Davicom Semiconductor, Inc.