Here you go:http://www.atmel.com/products/microcontrollers/avr/default.aspx?tab=documents
OverviewThe Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs)
Why do so many people seem opposed to being helpful? It's not as if a link to 2 or 3 key datasheets on the Reference page would be difficult to implement....R
Prove me wrong by adding a page to the Reference section that has direct links to the key Atmel datasheets
@AWOL, as you are a person of considerable influence on this Forum I find your reply very disturbing. Indeed it reflects exactly the sentiment expressed by @modeller.
but I'm a great believer in a little knowledge is a dangerous thing, and unless you're equipped to, and capable of, reading a processor datasheet, you're going to be a very dangerous person indeed.
this comment of yours is patronizing