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USB97C223-NU Datasheet

  • USB97C223-NU

  • Bus Powered USB 2.0 Flash Media Controller

  • 20頁(yè)

  • SMSC   SMSC

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USB97C223
Bus Powered USB 2.0
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 (MSPRO), Secure Digital (SD),
MultiMediaCard
TM
(MMC), NAND Flash, Compact
Flash
TM
(CF) and CF form-factor ATA hard drives
to USB 2.0 bus
鈭?/div>
Supports USB Bulk Only Mass Storage Compliant
Bootable BIOS
Double Buffered Bulk Endpoint
鈭?/div>
Bi-directional 512 Byte Buffer for Bulk Endpoint
鈭?/div>
64 Byte RX Control Endpoint Buffer
鈭?/div>
64 Byte TX Control Endpoint Buffer
Internal or External Program Memory Interface
鈭?/div>
64K Byte Internal Code Space or Optional 64K Byte
External Code Space using Flash, SRAM or EPROM
memory.
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
USB Bus Power Certified
3.3 Volt I/O with 5V input tolerance
Complete USB Specification 2.0 Compatibility for
Bus Powered Operation
鈭?/div>
Includes USB 2.0 Transceiver
鈭?/div>
A Bi-directional Control and a Bi-directional Bulk
Endpoint are provided.
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 鈥渂oot
block鈥?Flash program memory is used
15 GPIOs for special function use: LED
indicators, button inputs, power control to
memory devices, etc.
鈭?/div>
Inputs capable of generating interrupts with either
edge sensitivity
Compatible with Microsoft WinXP, WinME,
Win2K SP3, Apple OS10 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; green, lead-free
package also available (1.0mm height, 14mm
x14mm footprint)
8051 8 bit microprocessor
鈭?/div>
Provides low speed control functions
鈭?/div>
30 Mhz execution speed at 4 cycles per instruction
average
鈭?/div>
12K Bytes of internal SRAM for general purpose
scratchpad
鈭?/div>
768 Bytes of internal SRAM for general purpose
scratchpad or program execution while re-flashing
external ROM
SMSC USB97C223
Page 1
Revision 1.5 (01-06-05)
DATASHEET

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