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Cypress’s EZ-USB FX2? is the world’s first USB 2.0 integrated microcontroller. By integrating the USB 2.0 transceiver, SIE, enhanced 8051 microcontroller, and a programmable peripheral interface in a single chip, Cypress has created a very cost-effective solution that provides superior time-to-market advantages. The ingenious architecture of FX2 results in data transfer rates of 56 Mbytes per second, the maximum allowable USB 2.0 bandwidth, while still using a low cost 8051 microcontroller in a package as small as a 56 SSOP. Because it incorporates the USB 2.0 transceiver, the FX2 is more economical, providing a smaller footprint solution than USB 2.0 SIE or external transceiver implementations. With EZ-USB FX2, the Cypress Smart SIE handles most of the USB 1.1 and 2.0 protocol in hardware, freeing the embedded micro controller for application-specific functions and decreasing development time to ensure USB compatibility. The General Programmable Interface (GPIF) and Master/Slave Endpoint FIFO (8- or 16-bit data bus) provides an easy and glueless interface to popular interfaces such as ATA, UTOPIA, EPP, PCMCIA, and most DSP/processors.

EZ-USB FX2? Features

? Single-chip integrated USB 2.0 Transceiver, SIE, and Enhanced 8051 Microprocessor

? Software: 8051 code runs from:

— Internal RAM, which is downloaded via USB

— Internal RAM, which is loaded from EEPROM

— External memory device (128 pin package

? Four programmable BULK/INTERRUPT/ISOCHRONOUS endpoints

— Buffering options: double, triple and quad

? 8- or 16-bit external data interface

? GPIF

— Allows direct connection to most parallel interface

— Programmable waveform descriptors and configuration registers to define waveforms

— Supports multiple Ready (RDY) inputs and Control (CTL) outputs

? Integrated, industry standard enhanced 8051:

— Up to 48-MHz clock rate

— Four clocks per instruction cycle

— Two USARTS

— Three counter/timers

— Expanded interrupt system

— Two data pointers

? Supports bus-powered applications by using renumeration

? 3.3V operation

? Smart Serial Interface Engine

? Vectored USB interrupts

? Separate data buffers for the SETUP and DATA portions of a CONTROL transfer

? Integrated I2C-compatible controller, runs at 100 or 400 kHz

? 48-MHz, 24-MHz, or 12-MHz 8051 operation

? Four integrated FIFOs

— Brings glue and FIFOs inside for lower system cost

— Automatic conversion to and from 16-bit buses

— Master or slave operation

— FIFOs can use externally supplied clock or asyn chronous strobes

— Easy interface to ASIC and DSP ICs

? Special autovectors for FIFO and GPIF interrupts

? Up to 40 general-purpose I/Os

? Four package options—128-pin TQFP, 100-pin TQFP, 56-pin QFN and 56-pin SSOP

? Four packages are defined for the family: 56 SSOP, 56 QFN, 100 TQFP, and 128 TQFP

Applications

? DSL modems

? ATA interface

? Memory card readers

? Legacy conversion devices

? Cameras

? Scanners

? Home PNA

? Wireless LAN

? MP3 players

? Networking.