Most compact, low-cost RabbitCore.

• 1.15" x 1.6" x 0.55"
• 128K SRAM
• 256K Flash
• 29 general purpose I/O
• 22.1 MHz clock

Compact RabbitCore with Ethernet.

• 2.3" x 1.6" x 0.86"
• 10Base-T Ethernet
• 256K–512K Flash
• 128K–512K SRAM
• 26 general purpose I/O
• 22.1 MHz clock

Most Flash and SRAM, with or without Ethernet.

• 2.0" x 3.5" x 0.86"
• 10Base-T Ethernet
• 128–512K SRAM
• 256–512K Flash
• 34–40 general purpose I/O
• 22.1 MHz clock

Low-cost, high-memory, high I/O.

• 1.9" x 2.3" x 0.55"
• 128–512K SRAM
• 256K Flash
• 40 general purpose I/O
• 18.432–25.8 MHz clock