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.
All X2 series parts support enhanced features such as configurable i/o pins, ring tone music and touch sensor inputs, i2c, spi and high-speed serial with background receive. Scratchpad memory plus separate Data EEPROM and Data Table are supported.
Click here for more X2 series information.
The PICAXE-40X2 replaces the older PICAXE-40X, 40X1, 40X2-5V (PIC18F4520) and 40X2-3V (PIC18F45K20) chips.
The same software, BASIC language and USB download cable is shared between all the PICAXE chips.
- See more at: http://www.picaxe.com/Hardware/PICAXE-Chips/PICAXE-40X2-microcontroller/#sthash.Gczdo6YK.dpuf
PICAXE-40X2 Microcontroller Datasheet - http://www.picaxe.com/docs/picaxe_manual1.pdf
X2 Series Product Summary - http://www.picaxe.com/docs/picaxex2.pdf
Details of using 'pwmdiv' options with the 'pwmout' command on the PICAXE-40X2 - http://www.picaxeforum.co.uk/showthread.php?21867-Using-PWMDIV-options-with-the-PICAXE-28X2-and-40X2