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