Measuring just 2.30" x 1.90" (58 x 48 mm), the RCM2000 RabbitCore is a compact and powerful microprocessor core module that has all the components needed to jumpstart your board design. The RCM2000 comes in three available models and includes 40 general-purpose I/O, 4 CMOS-compatible serial ports, five 8-bit timers and one 10-bit timer with two match registers, and a fast number-crunching clock. Flash and SRAM are onboard, providing a development-ready memory interface.