Which chips?

[G. Kudryavtseva(2)]

Hello,

I am planning to buy some Atmega328 chips and I am wondering if there

is a difference between the 328 and 328p microcontrollers... I know the 'p' means

picopower, but would that make a difference?

 

Boris.

 

 

[G. Kudryavtseva(2)]

Also, what do the extentions mean, such as Atmega328-PU or Atmega328-PN?

 

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[Saurabh Gupta]

The only difference between Atmega328 and Atmega328p is picopower, which implies some small instruction set and register changes to enable lower power. So likely both will work equally well for you.

The extensions indicate package information. -P* means PDIP package.  PN has a higher operating temperature range than PU.

Saurabh

[giuliano carlini]

The 328p's can run at 3.3v. If you have sensors or other components that can't run at 5v, it simplifies things.

giuliano

[William Garrido]

Little late, but I should mention that the Arduino IDE won't recognize the non P version. 

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-William

http://mobilewill.us

[G. Kudryavtseva(2)]

Thank you...

Visit this group at http://groups.google.com/group/hbrobotics.