USB2640 USB 2.0 2 Port Hub, with Ultra Fast Flash Media Controller Eval Board
The SMSC USB2640 contains an Ultra Fast USB 2.0 Hub, Flash Media Controller, and Protocol Bridge Combo. It supports media connectors for the xD Picture CardTM xD, Memory StickTM MS, Secure Digital SD, and MultiMediaCardTM MMC interfaces. The EVB-USB2640 demonstrates driver compatibility with Microsoft Vista, Windows XP, Windows ME, Windows 2K SP4, Apple OSx, and Linux Mass Storage Class Drivers.
The EVB-USB2640 is designed to demonstrate the unique features of this device using a low-cost PCB implementation with individual port power control for the two downstream USB 2.0 ports. It is designed to support internal default configuration settings and either an external I2C EEPROM optional for customized configured functionality or SPI flash for customized configured functionality or for external firmware. An 8-Mbit SPI FLASH device is populated on the evaluation board to provide firmware updates via USB by using the SMSC provided USBDM utility.
Applications: Flash Media Card Reader/Writer, Printers, Desktop and Mobile PCs, Consumer A/V, Flat panel displays.
Features
- Features the USB2640 in a 48 Pin QFN RoHS compliant package
- Supports these Media Types: xD-Picture Card, Secure Digital (SD), Memory Stick (MS) 4 & 8 bit, and MultiMedia Card (MMC) 4 & 8 bit interfaces
- Two USB 2.0 down stream hub ports with individual port power and over current sense
- External SPI FLASH for USB downloadable firmware
- External I2C EEPROM for configuration options
- Low cost 4-Layer space saving design
- Operates from a single voltage (+5.0V, regulated) 'wall wart' external power supply
- Internal FET Power Switch for all media types
- Activity LED indicator
- Card power LED indicator
- Test header for firmware development and debug
- Single crystal clock Source
- Single onboard +3.3V Regulator
- Optional +3.3V power LED indicator
Ships With
- Evaluation Board