NOTE: If you are interested in Wireless Sensor Networks (WSN), M2M and the Internet of Things (IoT) projects check our new sensor platform: Waspmote which counts with more than 60 sensors available to use and a low consumption mode of just 0.07uA to ensure years of battery life. Know more at:
Microchip's rock-solid 16F628A 8-Bit Processor. Now with nanoWatt technology! 2K of program space and 16 I/O lines. Runs up to 20MHz with external crystal and up to 4MHz with an on-board RC oscillator. Package can be programmed in circuit.
Documents: 16F628A Datasheet