USB2224 SMSC Corporation, USB2224 Datasheet

USB2224

Manufacturer Part Number

USB2224

Description

Bus Powered USB2.0 Flash Media Controller

Manufacturer

SMSC Corporation

Datasheet

1.USB2224.pdf (20 pages)

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Product Features

SMSC USB2224

Complete System Solution for interfacing

SmartMedia

Memory Stick

(HSMS), Memory Stick PRO (MSPRO), MS

Duo

(Mini-SD), Transflash (SD), MultiMediaCard

(MMC), Reduced Size Multimedia Card (RS-

MMC), NAND Flash, Compact Flash

Ultra

to USB2.0 bus.

− Supports USB Bulk Only Mass Storage Compliant

Support for simultaneous operation of all above

devices. (only one at a time of each of the

following groups supported: CF or ATA drive, SM

or XD or NAND, SD or MMC)

On-Chip 4-Bit High Speed Memory Stick and MS

PRO Hardware Circuitry

On-Chip firmware reads and writes High Speed

Memory Stick and MS PRO

1-bit ECC correction performed in hardware for

maximum efficiency

USB Bus Power Certified

3.3 Volt I/O with 5V input tolerance

Complete USB Specification 2.0 Compatibility for

Bus Powered Operation

− Includes USB2.0 Transceiver

− A Bi-directional Control and a Bi-directional Bulk

8051 8 bit microprocessor

− Provides low speed control functions

− 30 Mhz execution speed at 4 cycles per instruction

− 12K Bytes of internal SRAM for general purpose

− 768 Bytes of internal SRAM for general purpose

Bootable BIOS

Endpoint are provided.

average

scratchpad

scratchpad or program execution while re-flashing

external ROM

, Secure Digital (SD), Mini-Secure Digital

I & II and CF form-factor ATA hard drives

(SM) or xD Picture Card

(MS), High Speed Memory Stick

(CF), CF

DATASHEET

(xD),

Page 1

USB2224

Bus Powered USB2.0

Flash Media Controller

Double Buffered Bulk Endpoint

− Bi-directional 512 Byte Buffer for Bulk Endpoint

− 64 Byte RX Control Endpoint Buffer

− 64 Byte TX Control Endpoint Buffer

Internal or External Program Memory Interface

− 64K Byte Internal Code Space or Optional 64K Byte

On Board 12Mhz Crystal Driver Circuit

On-Chip 1.8V Regulator for Low Power Core

Operation

Internal PLL for 480Mhz USB2.0 Sampling,

Configurable MCU clock

Supports firmware upgrade via USB bus if “boot

block” Flash program memory is used

15 GPIOs for special function use: LED

indicators, button inputs, power control to

memory devices, etc.

− Inputs capable of generating interrupts with either

− Attribute bit controlled features:

Compatible with Microsoft WinXP, WinME,

Win2K SP3, Apple OS10, Softconnex, and Linux

Multi-LUN Mass Storage Class Drivers

Win2K, Win98/98SE and Apple OS8.6 and OS9

Multi-LUN Mass Storage Class Drivers available

from SMSC

128 Pin TQFP Green, Lead-free Package

(1.0mm height, 14mm x14mm footprint)

External Code Space using Flash, SRAM or EPROM

memory.

edge sensitivity

− Activity LED polarity/operation/blink rate

− Full or Partial Card compliance checking

− Bus or Self Powered

− LUN configuration and assignment

− Write Protect Polarity

− Detach on no Card Inserted for Notebook apps

− Cover Switch operation for xD compliance

− Inquiry Command operation

− SD Write Protect operation

− Older CF card support

− Force USB 1.1 reporting

Revision 1.3 (06-13-06)

Datasheet

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