USB97C201
Rev 1.5
USB 2.0 ATA/ ATAPI Controller
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, a Bi-directional
Interrupt, and a Bi-directional Bulk Endpoint
are provided.
Complete System Solution for interfacing ATA or
ATAPI devices to USB 2.0 bus
-
Supports USB Mass Storage Compliant
Bootable BIOS
-
Support for ATAPI Devices:
-
CD-ROM
-
CD-R
-
CD-RW
-
DVD
-
DVD/R/W
8051 8 bit microprocessor
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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
Double Buffered Bulk Endpoint
-
Bi-directional 512 Byte Buffer for Bulk
Endpoint
-
64 Byte RX Control Endpoint Buffer
-
64 Byte TX Control Endpoint Buffer
-
64 Byte TX Interrupt Endpoint Buffer
-
64 Byte RX Interrupt Endpoint Buffer
External Program Memory Interface
-
64K Byte Code Space
-
Flash, SRAM, or EPROM Memory
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
8 GPIOs for special function use : LED indicators,
button inputs, etc.
-
Inputs capable of generating interrupts with
either edge sensitivity
-
One GPIO has automatic �½ sec toggle
capability for flashing an LED indicator.
100 Pin TQFP Package (14.0 x 14.0 mm footprint)
-
25% smaller body size than other 100 pin
TQFP Packages
100 Pin QFP Package
ORDERING INFORMATION
Order Numbers:
USB97C201-MN
for 100 pin TQFP package
USB97C201-MC
for 100 pin QFP package
SMSC DS – USB97C201
Page 1
Rev. 03/25/2002
PRELIMINARY
SMSC [ SMSC CORPORATION ]
