USB2223-03
Bus Powered USB2.0
Flash Media Controller
Datasheet
Product Features
Complete System Solution for interfacing
SmartMedia
TM
(SM), Memory Stick
TM
(MS), High
Speed Memory Stick (HSMS), Memory Stick
PRO
TM
(MSPRO), Memory Stick Duo
TM
(MSDUO), Secure Digital (SD), Mini-Secure
Digital (Mini-SD), Transflash (SD),
MultiMediaCard
TM
(MMC), Reduced Size
Multimedia Card (RS-MMC), NAND Flash,
Compact Flash
TM
(CF), CF Ultra
TM
I&II and CF
form-factor ATA hard drives to USB2.0 bus.
−
Supports USB Bulk Only Mass Storage Compliant
Bootable BIOS
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
External Code Space using Flash, SRAM or EPROM
memory.
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
edge sensitivity
−
Attribute bit controlled features:
−
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
−
Inquiry Command operation
−
SD Write Protect operation
−
Older CF card support
−
Force USB 1.1 reporting
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 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
Endpoint are provided.
8051 8 bit microprocessor
−
Provides low speed control functions
−
30 Mhz execution speed at 4 cycles per instruction
average
−
12K Bytes of internal SRAM for general purpose
scratchpad
−
768 Bytes of internal SRAM for general purpose
scratchpad or program execution while re-flashing
external ROM
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 Package (1.0mm height, 14mm
x14mm footprint); Pb free version also available
SMSC USB2223-03-03
Page 1
Revision 1.2 (09-21-04)
DATASHEET
SMSC [ SMSC CORPORATION ]
