PICAXE-40X2 microcontroller

The 40X2 supports up to 33 inputs/outputs with 27 analogue/touch sensor channels with an operating speed up to 16MHz using an internal oscillator and up to 64MHz using an external resonator or crystal. This chip supports 4 internal and up to 32 external program slots, is capable of acting as an i2c slave device and comes in an industry standard 0.6" wide, 40-pin package.

PICAXE X2 series parts support enhanced features such as configurable i/o pins, ring tone music and touch sensor inputs, up to 64MHz operation with i2c, spi and high-speed serial with background receive. Scratchpad memory plus separate Data EEPROM and Data Table, and multiple program slots are supported. Please see the PICAXE X2 Product Briefing for further details on the PICAXE X2 parts.