DM9620EP datasheet(7/71 Pages) DAVICOM

7 / 71 page

DM9620

USB2.0 to Fast Ethernet Controller

Preliminary

Version: DM9620 -15-DS-P02

February 20, 2012

1. Features:

USB Interface

USB2.0 Device

Supports 12Mbps Full-Speed operation

Supports 480Mbps High-Speed operation

Supports suspend mode and remote wake-up Resume

Supports USB standard commands

Supports vendor specific commands

Efficient TX/RX FIFO auto management.

Supports 4 endpoints (Control, Interrupt, Bulk_IN, Bulk_OUT)

Supported Classes： USB Common Class / USB Communications Class –

Ethernet

Support IEEE802.3u 100BASE-TX and with IEEE802.3 10BASE-T standards

Support IEEE802.3x flow control function for 100BASE-TX and 10BASET.

Built-in 10/100Mbps Fast-Ethernet PHY with Auto-MDIX

Supports MII, RMII and Reverse MII interface or 16 pins GPIO

Support Auto-negotiation function

Back Pressure Mode for half-duplex mode flow Control

PAUSE frame for full-duplex flow control

Supports GPIO, wakeup frame, link status change and Magic packet events for

remote wake-up

Support TCP / UDP / IP v4 checksum offload checking and generating

EEPROM Interface

Supports 128/256/512 bytes (93C06/93C46/93C56/93C66) of serial

EEPROM(for storing USB Descriptors)

93C06/93C46/93C56/93C66 auto-detection

LED Indications

Ethernet – Link / Act indication

Ethernet – Speed (10M / 100M) indication

Ethernet – Duplex (half / full) indication

USB speed indication (full / high speed + traffic modes)

Clock

Single 25MHz / 30 ppm crystal or oscillator

Optional 12MHz crystal for USB

DM9620EP датащи(PDF) 7 Page - Davicom Semiconductor, Inc.