If this is your first purchase you should consider an eval kit
This kit includes all you need to get started: board, USB adapter and cable.
Our low-cost single board computer - perfect for small volume applications that require customization. Featuring 83 TTL compatible digital I/Os and 13 12-bit A/D pins, you can be up and running in no time. Pin compatible with the Arduino PRO. The BASIC compiler is easy to learn, or the pre-configured C compiler is easy to use.
Unleash the power of dual 32 bit processors, running at 200 MHz to solve your control problem. 4 hardware UARTs. SDcard with built in file system access can collect data for long periods of time
Save time with built in support for PWM, SPI, 1-Wire, I2C, Pulse timing, Synchronous and Asynchronous serial protocols.
FREE SOFTWARE TOOLS download