Microchip USB2227-NU-11, USB Controller, USB 2.0

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N° de stock RS:
264-8933
Référence fabricant:
USB2227-NU-11
Fabricant:
Microchip
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Marque

Microchip

Number of Transceivers

1

Protocols Supported

USB 2.0

IC Type

Controller IC

The Microchip 4th generation USB 2.0 flash card media that provides the interface between a USB host controller and flash media cards. It is identical to the USB2228 without the support for xD-Picture Card™. It provides a single chip solution for the most popular flash memory cards in the market. The device consists of a USB 2.0 device PHY and SIE, buffers, Fast 8051 microprocessor with expanded scratchpad, and program SRAM, and CF, MS, SM and SD controllers. The device can support up to 4 slot operation. Provision for external flash Memory up to 64K bytes for program storage is provided. Customers benefit from the high quality on chip ROM code that is compatibility and compliance tested for the latest format support.

NAND flash
SD Card Write Protect polarity
SD Card Read Only operation
Bus or Self Powered
USB Bus Power Certified
Hardware support for SD Security Command Extensions
USB Smart Detach™ when no media card is inserted for power savings
1-bit ECC correction performed in hardware for maximum efficiency
Supports firmware upgrade via USB bus if “boot block” flash program memory is used

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