USB97C202
USB 2.0 ATA/
ATAPI Controller
Datasheet
Product Features
2.5 Volt, Low Power Core Operation
3.3 Volt I/O with 5V input tolerance
Complete USB Specification 2.0 Compatibility
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Includes USB 2.0 Transceiver
A Bi-directional Control and a Bi-directional Bulk
Endpoint are provided.
Double Buffered Bulk Endpoint
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Bi-directional 512 Byte Buffer for Bulk Endpoint
64 Byte RX Control Endpoint Buffer
64 Byte TX Control Endpoint Buffer
48K Byte Internal ROM or optional 64K Byte
External Code Space using Flash, SRAM, or
EPROM Memory
Internal or External Program Memory Interface
Complete System Solution for interfacing ATA or
ATAPI devices to USB 2.0 bus
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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
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
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 “boot
block” Flash program memory is used for optional
external program memory
7 GPIOs for special function use: LED indicators,
button inputs, etc.
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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)
8051 8 bit microprocessor
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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
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Revision 1.6 (01-09-07)
DATASHEET