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SM3255 PDF даташит

Спецификация SM3255 изготовлена ​​​​«Silicon Motion» и имеет функцию, называемую «USB2.0 Single-Channel Flash Controller».

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Номер произв SM3255
Описание USB2.0 Single-Channel Flash Controller
Производители Silicon Motion
логотип Silicon Motion логотип 

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SM3255 Даташит, Описание, Даташиты
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SM3255
USB2.0 Single-Channel Flash Controller
Overview
The SM3255 is a USB Flash drive controller that
combines high compatibility and performance to
support single-channel MLC and TLC NAND-type
Flash memory in one chip. Based on 0.153μm
fabrication technology and low-power consumption
considerations, the SM3255 complies with USB2.0
power specifications for bus-powered devices. In
conjunction with USB2.0 Flash drive applications, the
SM3255 supports high capacity (up to 4 Flash
components), “write protection” functionality, PC boot-
up from a USB2.0 Flash drive, password protection,
and secured partitioning functions.
The SM3255 controller delivers an extremely reliable,
high data transfer rate through an 13/24/48-bit ECC
engine to reduce TLC Flash read/write disturbance
errors. Combining a 5-3.3V regulator and power-on-
rest feature, the SM3255 maximize efficiency and
reduces overall costs. The SM3255 is available in 40-
pin QFN, 44-pin LGA and 48-pin LQFP packages with
a manufacturing-ready turnkey solution.
Key Features
Complete USB2.0 compatibility
Complies with USB Mass Storage Class specification
version 1.0
Bulk only transport protocol
Complies with USB power specifications for bus-
powered devices.
Operating systems supported:
- Window®7/Vista/XP/2000/Me/98/98SE
- Mac OS9.X/X and above
- Linux Kernel 2.4 and above
In System Programming(ISP) firmware update
capability
Supports single channels for Flash memory
Compatible with MLC or TLC NAND-type Flash and
up to 4 Flash components
Supports 13/24/48-bit ECC hardware engines for
highly error collection
Supports Windows® Vista Ready Boost function
Supports VID, PID, serial number, and vendor
information updates
An LED indicates when the USB Flash drive is in
Ready/Working mode
Supports a “Write Protection” security function to
protect data
Integrated 80C51 compatible 8-bit microprocessor
with enhanced features
12MHz crystal driver circuit
1.8 volts low power core operation
Operates on a single power supply
(Vdd = 5.0V or 3.3V)
Note: Specifications may be changed without prior notice.
Applications
USB Flash Drive
USB Solid State Disk
Embedded Application
High-Speed NAND Storage
SM3253 Block Diagram
Target Performance
MLC sustained read rate: 22MB/s*
MLC sustained write rate: 12MB/s*
TLC sustained read rate: 18MB/s*
TLC sustained write rate: 9MB/s*
*Figure may vary between test platforms
Product Schedule
40-pin QFN, 44-pin LGA and 48-
pin LQFP
0.153μm IC(integrated circuit)
www.siliconmotion.com
This publication, including all photographs, illustrations and software, is protected under
international copyright laws, with all rights reserved. Neither this publication, nor any of the
material contained herein, may be reproduced without written consent of the manufacturer.
© Copyright 2009 Silicon Motion, Inc.










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