USB97C202 Datasheet, PDF (1/17 Pages) SMSC Corporation – 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 USB2.0 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
ƒ 100 Pin STQFP (12x12x1.4 body, 2mm footprint)
package
ORDERING INFORMATION
Order Number(s):
USB97C202-MN-02 for 100 pin STQFP package
SMSC USB97C202
Page 1
DATASHEET
Revision 1.2 (02-04-04)