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USB97C202_07 Datasheet, PDF (1/19 Pages) SMSC Corporation – USB 2.0 ATA/ATAPI Controller
USB97C202
USB 2.0 ATA/
ATAPI Controller
Product Features
ƒ 2.5 Volt, Low Power Core Operation
ƒ 3.3 Volt I/O with 5V input tolerance
ƒ Complete USB Specification 2.0 Compatibility
− Includes USB 2.0 Transceiver
− A Bi-directional Control and a Bi-directional Bulk
Endpoint are provided.
ƒ Complete System Solution for interfacing ATA or
ATAPI devices to USB 2.0 bus
− Supports USB Mass Storage Compliant Bootable
BIOS
− Supports ATA6 Drive capacities up to 2048GB
− True UDMA Mode 4 transfer rates
− Support for ATAPI Devices:
- CD-ROM
- CD-R
- CD-RW
- DVD
- DVD/R/W
ƒ 8051 8 bit microprocessor
− Provides low speed control functions
− 30 Mhz execution speed at 4 cycles per instruction
average
− 768 Bytes of internal SRAM for general purpose
scratchpad or program execution while re-flashing
external ROM
Datasheet
ƒ Double Buffered Bulk Endpoint
− Bi-directional 512 Byte Buffer for Bulk Endpoint
− 64 Byte RX Control Endpoint Buffer
− 64 Byte TX Control Endpoint Buffer
ƒ Internal or External Program Memory Interface
− 48K Byte Internal ROM or optional 64K Byte
External Code Space using Flash, SRAM, or
EPROM Memory
ƒ On Board 12Mhz Crystal Driver Circuit
ƒ Internal PLL for 480Mhz USB 2.0 Sampling,
30Mhz MCU clock, and 60Mhz ATA clock
ƒ Supports firmware upgrade via USB bus if “boot
block” Flash program memory is used for optional
external program memory
ƒ 7 GPIOs for special function use: LED indicators,
button inputs, etc.
− Inputs capable of generating interrupts with either
edge sensitivity
− USB High Speed LED
− Serial EEPROM interface for VID/PID/Serial
Number Customization (Required for internal ROM
operation)
ƒ Can share drive in MP3 player and 1394/USB
applications by isolating the IDE Interface with
other controllers.
ƒ 100-Pin STQFP (12x12x1.4 body, 2mm footprint)
lead-free RoHS compliant package.
ORDERING INFORMATION
Order Number:
USB97C202-MV-05 for 100 pin, STQFP lead-free RoHS compliant package
SMSC USB97C202
Page 1
DATASHEET
Revision 1.6 (01-09-07)