Datasheet > SM3255

SM3255

更新时间： 2024-02-24 08:54:36

品牌	Logo	应用领域
其他 - ETC		闪存控制器
页数	文件大小	规格书
1页	251K
描述
USB2.0 Single-Channel Flash Controller

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中文翻译

获取价格

数据手册

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SM3255 数据手册

Zoom Family

Mobile Storage

Key Features

SM3255

USB2.0 Single-Channel Flash Controller

Complete USB2.0 compatibility

Complies with USB Mass Storage Class specification

version 1.0

Overview

Bulk only transport protocol

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

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

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.

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

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.

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

Target Performance

Product Schedule

USB Flash Drive

MLC sustained read rate: 22MB/s*

MLC sustained write rate: 12MB/s*

TLC sustained read rate: 18MB/s*

TLC sustained write rate: 9MB/s*

40-pin QFN, 44-pin LGA and 48-

pin LQFP

USB Solid State Disk

Embedded Application

High-Speed NAND Storage

0.153μm IC(integrated circuit)

*Figure may vary between test platforms

SM3253 Block Diagram

This publication, including all photographs, illustrations and software, is protected under

material contained herein, may be reproduced without written consent of the manufacturer.

www.siliconmotion.com

中文翻译

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