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.