USB2642中文资料USB Bridges数据手册Microchip规格书

描述 Description

The USB2642 is a USB 2.0 compliant, hi-speed hub and card reader combo solution. This fully-integrated, single chip solution provides USB expansion and flash media reader/writer integration. The Microchip USB2642 provides an ultra fast interface between a USB host and today’s popular flash media formats. The controller allows read/write capability to flash media including the following:



• Secure Digital™ (SD)

• SD High Capacity™ (SDHC)

• SD Extended Capacity™ (SDXC)

• MultiMediaCard™ (MMC)

• Embedded MultiMediaCard (eMMC)



The USB2642 offers a versatile, cost-effective and energy-efficient hub controller with 2 downstream USB 2.0 ports and a flash media interface. The flash media interface can support sustained transfer rates exceeding 35 MB/s.  Additionally, the USB2642 provides an I2C over USB bridge and an SD over USB bridge. The I2C bridge allows for control of any I2C slave device operating at 50KHz serial clock, while the SD bridge supports the use of managing memory devices through SDIO commands.



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特性 Features

Highlights
• Ultra-fast Flash media reader/writer with two exposed downstream ports for external peripheral expansion
• Optimizes footprint with an approximate 40% board space reduction compared to prior Microchip discrete devices
• Reduces power consumption by approximately 30% versus alternative Microchip discrete solutions
• Supports MultiMediaCard™ (MMC), Embedded MMC (eMMC) and SD cards
• Internal code configurable using an external I2C™ EEPROM; support for external code using an SPI Flash EEPROM
• Configurable software architecture supports customization for customer-specific applications and field upgradeable firmware
• Ability to place the device away from the main board to deliver USB connectivity where it is needed within the system
• RoHS-compliant 7x7mm,48-pin QFN package
• Industrial temperature range (-40° to +85°C) options available
Target Applications
• Comms Equipment
• Servers
• Printers
• Digital TVs
• Monitors
• Media Players/Viewers
• Gaming Consoles
• Digital Photo Frames
• Set-top Boxes

应用 Application

·Comms Equipment
·Servers
·Printers
·Digital TVs
·Monitors
·Media Players/Viewers
·Gaming Consoles
·Digital Photo Frames
·Set-top Boxes

简介

USB2642属于集成电路（IC）的专用。由制造生产的USB2642专用该系列产品可提供所需的功能，用以将信息源/信宿连到各种复杂或范围狭窄应用中的传感器、变送器、致动器、传输介质或其他此类端点。例如，汽车安全气囊驱动器、车身控制和信息娱乐总线、自适应电缆均衡器、智能卡等等。