Digi ConnectCore System-on-Modules Single Board Computers Development kits

RabbitCore® RCM3100 Series


Microprocessor Core Module

  • Rabbit 3000 microprocessor at 30 MHz
  • Up to 512K Flash/512K SRAM
  • 54 digital I/O and 6 serial ports (IrDA, HDLC, asynch, SPI)
  • 3.3V operation, low power “sleepy” modes (< 2mA)

Powered by the Rabbit® 3000 microprocessor, the compact RCM3100 series boasts powerful features and a small footprint (47 mm × 42 mm) to simplify integration. Its small size and ease of use when paired with Dynamic C® allow engineers to add device intelligence and I/O control for many of today’s embedded applications. The RCM3100 is ideal for applications requiring M2M connectivity and is pin-compatible with the RCM3000 for cost-effective Ethernet and non-Ethernet systems.

Rabbit hardware and Dynamic C are designed in a complementary fashion for maximum performance and ease of use in embedded systems. The additional software components in Dynamic C allow you to add functionality for embedded application customization.

The RabbitCore RCM3100 series microprocessor core module is the ideal option for engineers who want to rapidly develop and implement embedded systems. Powered by the new Rabbit® 3000 microprocessor, the compact RCM3100 boasts powerful features and a small footprint–1.85" × 1.65" (47 × 42 mm)–to simplify integration.

The RCM3100 series has 6 serial ports and operates at 29.4 MHz and 3.3V (with 5V-tolerant I/O). Built-in low-EMI features, including a clock spectrum spreader, help designers eliminate the kind of emissions-related problems that frequently derail tight development schedules.

Available in two models, the RCM3100 is equipped with up to 512K each of Flash and SRAM, quadrature encoder inputs, PWM outputs, and pulse capture and measurement capabilities. Two 34-pin connection headers provide 54 digital I/O shared with the 6 serial ports and alternate I/O features. (The RCM3100 series is pin compatible with the Ethernet RCM3000, facilitating cost-effective implementation of both Ethernet and non-Ethernet systems.)

The RCM3100 series features a battery-backable real-time clock, glueless memory and I/O interfacing, and low power "sleepy" modes (<2mA). A fully enabled 8-bit slave port permits easy master-slave interfacing with another processor-based system, 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 exceptionally fast results for math, logic, and I/O.

Key Features
  • 3.3V operation
  • Powerful Rabbit 3000 microprocessor
  • Low-EMI (typically <10 dB µV/m @ 3 m)
  • Up to 512K Flash/512K SRAM
  • 54 digital I/O
  • 6 serial ports (IrDA, SDLC/HDLC, Async, SPI)
  • Low power "sleepy" modes (<2mA)
Designing with RabbitCores

The RabbitCore family of microprocessor core modules is designed to facilitate rapid development and implementation of embedded systems. RabbitCores are powered by high-performance 8-bit Rabbit microprocessors with extensive integrated features and a C-friendly instruction set designed for use with the Dynamic C® development system. The RabbitCore mounts on a user-designed motherboard and acts as the controlling microprocessor for the user's system. Small in size but packed with powerful features, these core modules give designers a complete package for control and communication.

Specifications RCM3100 RCM3110
Microprocessor Rabbit® 3000 at 30 MHz
EMI Reduction Spectrum spreader for reduced EMI (radiated emissions)
Flash Memory 512K (2 × 256K) 256K
SRAM 512K 128K
Backup Battery Connection for user-supplied backup battery (to support RTC and SRAM)
General Purpose I/O 54 parallel digital I/0 lines:
  • 46 configurable I/O
  • 4 fixed inputs
  • 4 fixed outputs
Additional Digital Inputs 2 startup mode, reset in
Additional Digital Outputs Status, reset out
Auxiliary I/O Bus 8 data lines and 6 address lines (shared with I/O) plus I/O read/write
Serial Ports 6 shared high-speed, CMOS-compatible ports:
  • 6 configurable as asynchronous (with IrDA), 4 as clocked serial (SPI), and 2 as SDLC/HDLC (with IrDA)
  • 1 asynchronous clocked serial port dedicated for programming
  • Support for MIR/SIR IrDA transceiver
Serial Rate Max. asynchronous baud rate = CLK/8
Slave Interface A slave port allows the RCM3100 to be used as a master or as an intelligent peripheral device with Rabbit-based or any other type of processor
Real-Time Clock Yes
Timers Ten 8-bit timers (6 cascadable), one 10-bit timer with 2 match registers
Watchdog/Supervisor Yes
Pulse-Width Modulators 10-bit free-running counter and four pulse-width registers
Input Capture 2-channel input capture can be used to time input signals from various port pins
Quadrature Decoder 2-channel quadrature decoder accepts inputs from external incremental encoder modules
Power 3.15V to 3.45VDC 75 mA @ 3.3V
Operating Temperature 0° C to 70° C
Humidity 5% to 95%, non-condensing
Board Size 1.850” × 1.650” × 0.55” (47 mm × 42 mm × 14 mm)
Product Warranty 1 year

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