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
−
Includes USB 2.0 Transceiver
−
A Bi-directional Control and a Bi-directional Bulk
Endpoint are provided.
Double Buffered Bulk Endpoint
−
Bi-directional 512 Byte Buffer for Bulk Endpoint
−
64 Byte RX Control Endpoint Buffer
−
64 Byte TX Control Endpoint Buffer
Internal or External Program Memory Interface
−
48K Byte Internal ROM or optional 64K Byte
External Code Space using Flash, SRAM, or
EPROM Memory
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
On Board 12Mhz Crystal Driver Circuit
Internal PLL for 480Mhz USB2.0 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.
−
Inputs capable of generating interrupts with either
edge sensitivity
−
USB High Speed LED
−
Serial EEPROM interface for VID/PID/Serial Number
Customization
-
DVD/R/W
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
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
Revision 1.2 (02-04-04)
DATASHEET
SMSC [ SMSC CORPORATION ]
