Analog Core Module with 10/100Base-TReference Design Speeds OEM Time-to-Market

12/5/2002 - Rabbit Semiconductor's newest RCM3400 core module is the first RabbitCoreTM with analog, and provides a 10/100Base-T reference design. Priced from only $39 (qty. 1000), the RCM3400 RabbitCore is the ideal option for designers who want to supercharge embedded systems development and speed time-to-market. Measuring only 1.37" × 1.16 " × 0.31" (35 × 29 × 7.4 mm), RabbitCores mount directly on a user-designed motherboard and can interface with all manner of CMOS-compatible digital devices. The RCM3400 also contains built-in low-EMI features, including a clock spectrum spreader, that practically eliminate EMI problems, helping OEMs pass CE and regulatory RF emissions tests.

Powered by the Rabbit 3000 microprocessor, this efficient 8-bit core module operates at a power-saving 3.3 V (with 5 V-tolerant I/O), while running at 29.4 MHz. Two models offer 512K Flash/512K SRAM or 265K Flash/256K SRAM and both are equipped with quadrature decoder, PWM outputs, and pulse capture capabilities. Two 34-pin connection headers provide 47 digital I/O (41 alternate) shared with the 5 serial ports. All RCM3400 models ship with pre-assigned MAC IDs allowing easy networking using the 10/100Base-T reference design on the development board.

The RCM3400 features a battery-backable real-time clock, glueless memory and I/O interfacing, and low-power "sleepy" modes. A fully enabled slave port permits easy master-slave interfacing between processor-based systems, and an alternate I/O bus can be configured for 8 data lines and 6 address lines (shared with parallel I/O). The Rabbit 3000 processor's compact, C-friendly instruction set and high clock speeds produce fast results for math, logic, and I/O.

Programs are developed with our industry-proven Dynamic C® development system, a C-language environment that includes an editor, compiler, and in-circuit debugger (Dynamic C SE is included in low-cost development kits). User programs can be compiled, executed, and debugged using Dynamic C and a programming cable-no in-circuit emulator is required. An extensive library of drivers and sample programs is provided, along with royalty-free TCP/IP stack with source code.

Priced from $39 (qty. 1000), RCM3400 models are available to ship December 18. A complete RCM3400 Development Kit is priced at $399 and includes prototyping board, AC adapter (U.S./Canada only), serial cable for programming and debugging, Getting Started manual, and Dynamic C SE software development system with royalty-free TCP/IP stack and documentation on CD-ROM.

Contact Rabbit Semiconductor at T: 530-757-8400, F: 530-757-8402, E:, or order online at

Rabbit Semiconductor
Rabbit Semiconductor is a fabless semiconductor company specializing in high-performance 8-bit microprocessors and development tools for embedded control, communications, and Ethernet connectivity. A sister division of single-board computer and software manufacturer Z·World, Rabbit Semiconductor introduced the popular Rabbit 2000TM microprocessor in 1999 and the Rabbit 3000TM in 2002. The industry award-winning RabbitCoreTM line of microprocessor core modules was introduced in 2001. Rabbit Semiconductor offers customers a complete embedded design system, including low-cost development kits and comprehensive technical support for both hardware and software issues.

Rabbit Semiconductor is a member of the Fabless Semiconductor Association and is located in Davis, Calif., 70 miles east of San Francisco.

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