DM9620I Industrial-temperature USB2.0 to 10/100M Fast Ethernet Controller 1. Features z z z USB Interface USB2.0 Device Supports 480Mbps High-Speed operation Supports 12Mbps Full-Speed operation Supports suspend mode and remote wake-up resume Supports USB standard commands Supports vendor specific commands Supports 4 endpoints (Control, Interrupt, Bulk_IN, Bulk_OUT) 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 Support HP Auto-MDIX Supports MII, RMII and Reverse MII interface Supports Auto-negotiation function Back Pressure Mode for half-duplex mode flow Control PAUSE frame for full-duplex flow control Supports wakeup frame, link status change and Magic packet events for remote wake-up Embedded 13KB SRAM for RX packet buffering and 3KB SRAM for TX Support TCP / UDP / IP checksum offload checking and generating EEPROM Interface Supports automatically load vendor ID and Product ID from EEPROM Supports 128/256/512 bytes Product Brief Version: 1.0 February 2, 2010 www.davicom.com.tw (93C46/93C56/93C66) of serial EEPROM (for storing USB Descriptors) 93C46 / 93C66 auto-detection z LED Indications Ethernet – Link / Act indication Ethernet – Speed (10M / 100M) indication Ethernet – Duplex (half / full) indication USB speed indication (full / high speed + traffic modes) z GPIO Pins GPIO #1 – wake-up signal to CPU GPIO #2 – Serial Debugging Port interface (clock) GPIO #3 – Serial Debugging Port interface (data) z Clock Single 25MHz / 30 ppm crystal or oscillator for Ethernet and 12MHz for USB z Power Input Low-Power, Single-Supply 3.3V Built in 3.3V to 1.8V regulator z Miscellaneous Support industrial-temperature (-40 C ~ +85 C) Very Low Power Consumption mode Power Reduced mode (cable detection), and Power Down mode Compatible with 2.5V, 3.3V and 5.0V tolerant I/O Supports commercial and industrial grade z Package 64 pin LQFP (with MII/RMII I/F) 1 DM9620I Industrial-temperature USB2.0 to 10/100M Fast Ethernet Controller 2. General Description host controller and is compliant with USB specification V1.0, V1.1 and V2.0. It implements 10/100Mbps Ethernet LAN function based on IEEE802.3, and IEEE802.3u standards. The DM9620I USB2.0 to industrial-temperature 10/100Mbps Fast Ethernet controller with 0.18um CMOS technology is a high performance and highly integrated ASIC with embedded 13KB SRAM for packet buffering. It enables low cost and affordable Fast Ethernet network connection to desktop, notebook PC, and embedded system using popular USB ports. DM9620 integrates an on-chip 10/100Mbps Ethernet PHY to simplify system design and provides an optional media-independent interface (MII). It has an USB interface to communicate with USB 3. Block Diagram PHYceiver MAC 100 Base-TX PCS TX Machine 10 Base-T Tx/Rx Memory Management RX Machine DP USB Tx/Rx MII TX+/- Control &Status Registers EP / SIE controller 100 Base-TX transceiver EEPROM Interface External MII Interface LED DM RX+/Internal SRAM Autonegotiation 4. Certification MII Management Control & MII Register USB Logo 5. OS Supports (1) Linux 2.4 & 2.6, WinCE 5.0 & 6.0 (2) Win XP, VISTA, Windows 7 (3) MAC OS X v10.5 6. Applications Embedded System: IP STB, DMA, Card Reader, POS, DVR, IPTV, NAS, Networked Printer USB Dongle: PMP, MID, UMPC, DPF, Netbook, Slim Notebook, Game Console, Portable Device Product Brief Version: 1.0 February 2, 2010 www.davicom.com.tw 2