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Rabbit® SBC BL2600 Series

Ethernet-Enabled Single-Board Computer

  • Rabbit® 3000 microprocessor at 44 MHz
  • 10/100Base-T Ethernet, RJ-45
  • 512K Flash/512K SRAM
  • 36 digital I/O (configurations include protected digital inputs, sinking/sourcing outputs, high current outputs)
  • 12 analog channels: eight 11-bit A/D, four 12-bit D/A buffered outputs
How to Buy

The BL2600 single-board computer featuring the Rabbit® 3000 microprocessor provides embedded system engineers a complete and expandable performance package. Two standard models features up to 44.2 MHz clock speed, with or without 10/100 Ethernet, RS-232/RS-485 serial ports and at least 512K Flash and 512K SRAM (standard). Additional module variants enable data-logging of up to 1 GB in data storage. Functionality of the BL2600 can be expanded using optional RabbitNet™ expansion cards.

The BL2600 is an advanced single-board computer that incorporates the powerful Rabbit 3000 microprocessor, Flash memory, SRAM, digital I/O ports, A/D converter inputs, D/A converter outputs, RS-232/RS-485 serial ports, and a 10/100Base-T Ethernet port. Optional RabbitNet Expansion and serial Flash cards are available. The BL2600 can be connected via two mechanisms: Dual-entry IDC through-hole sockets, which allow header mounting on either side of the board and polarized locking industry-standard friction-lock connectors that enable rapid assembly with wire harnesses. These connectors provide dependable cable harness connectivity to I/O. RabbitNet expansion boards are available (including A/D, D/A, digital I/O, and keypad/display interface cards) to interface via the two multiplexed SPI RS-422 ports.


  • Rabbit 3000 up to 44.2 MHz
  • 10/100Base-T Ethernet Connectivity
  • 512K Flash and 512K SRAM standard
  • 36 digital I/O (configurations include protected digital inputs, sinking/sourcing outputs, high current outputs)
  • 12 analog channels: eight 11-bit A/D, four 12-bit D/A buffered outputs
  • 5 serial ports
  • RabbitNet expansion capability
  • Other available feature configurations: 10 Base-T, reduced memory, 16MB NAND, removable memory slot supporting up to 128MB


RabbitNet expansion ports enable a modular and expandable embedded control system whose configuration of expansion cards can be tailored to a large variety of demanding real-time control, display, and data-acquisition applications. A typical RabbitNet system consists of a master single-board computer and one or more peripheral cards. A high-performance Rabbit 3000 or Rabbit 2000 microprocessor on the master provides fast data processing, and the master SBC also provides the DCIN and +5 V power for the peripheral cards.

Programming the BL2600

Programs are developed and debugged using industry-proven Dynamic C® software, which runs on a Windows PC. The programming device is connected via a serial cable, a USB cable, or Ethernet. Comprehensive debugging support includes break points, watch expressions and many other extensive features oriented toward real-time embedded systems programming. An extensive library of drivers and sample programs is provided, including a royalty-free TCP/IP stack for network and Internet communications. Full source code is provided for most library routines.

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Specifications BL2600 BL2610
Microprocessor Rabbit® 3000 @ 44 MHz Rabbit® 3000 @ 29 MHz
Ethernet Port 10/100Base-T, 3 LEDs None
Flash Memory 512K (standard)
Program Execution SRAM 512K None
Data SRAM 256K 512K
Backup Battery Panasonic CR2477 or equivalent 3V lithium coin type, 950 mA·h standard, socket-mounted
Configurable I/O 16 individually software-configurable I/O channels may be configured as digital inputs ±36V DC, switching threshold 1.5V typical, or as sinking digital outputs up to 40V, 200 mA each
Digital Inputs 8 inputs hardware-configurable pull-up or pull-down, ±36V DC, switching threshold 1.4 V typical
High-Current Digital Outputs 4 outputs individually software-configurable as sinking or sourcing, +40V DC, 2A max. per channel
Analog Inputs Eight 11-bit res. channels, software-selectable ranges unipolar: 1, 2, 2.5, 5, 10, 20V DC; bipolar ±1, ±2, ±5, ±10V DC: 4 channels can be hardware-configured for 4–20 mA; 1 MΩ input impedance, up to 4,100 samples/s
Analog Outputs Four 12-bit res. channels, buffered, 0–10V DC, ±10V DC, and 4–20 mA, update rate 12 kHz
Serial Ports 5 serial ports:
  • 1 RS-485 or 1 RS-232
  • 2 RS-232 or one RS-232 (with CTS/RTS)
  • 1 clocked serial port multiplexed to 2 RS-422 SPI master ports
  • 1 serial port dedicated for programming/debug
Serial Rate Max. asynchronous rate = CLK/8, Max. synchronous rate = CLK/2
  • RJ-45 connectors: 1 Ethernet and 2 RabbitNet™
  • Friction-lock connectors: 2 polarized 9-position terminals with 0.1” pitch; three 4-position power terminals with 0.156” pitch; two 20-position terminals with 0.1” pitch (2 × 20 IDC option); one 13-position terminal with 0.1” pitch (2 × 13 IDC option); one 10-position terminal with 0.1” pitch (2 × 7 IDC option)
  • Programming port: 2 × 5 IDC, 1.27 mm pitch (BL2600), 2 × 5 IDC, 2 mm pitch (BL2610)
Real-Time Clock Yes
Timers One 10-bit timer with 2 match registers
Power Yes
Watchdog/Supervisor 9–36V DC, 12W max.
Operating Temperature -40°C to +70°C (-40°C to +85°C without battery)
Humidity 5 to 95%, non-condensing
Board Size 4.85" × 4.96" × 1.00" (123 mm × 126 mm × 25 mm)


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