Electronics > Beginners

cheap and basic microcontroller

<< < (4/4)

sigxcpu:
4cycles per instruction on pic ;)

mikeselectricstuff:
For the very low-end apps that these parts are targeted at, CPU speed is rarely an issue - in fact you may often want to run slow to save power - cost and permutation of peripherals is generally the most critical thing.

Simon:

--- Quote from: mikeselectricstuff on August 28, 2010, 11:26:06 pm ---For the very low-end apps that these parts are targeted at, CPU speed is rarely an issue - in fact you may often want to run slow to save power - cost and permutation of peripherals is generally the most critical thing.

--- End quote ---

yea I have an application that I actually have to put a 3.8ms delay into the program loop and thats at 4 MHz

abhimanyu:
i know u all are going to kill me after this
it was 512 bytes
sorry
i promise this is not going to happen again

alm:
ATtiny85 seems to be the best match in the AVR family. The 512bytes SRAM it the only thing preventing you from moving to a cheaper device like ATtiny25 or 13A. The ATtiny85 (in PDIP or SOIC) is $1.35-1.40 in small quantities (25+) at Mouser or Digikey, something like $2.20 in onsies.

I'm sure there are other devices from other manufacturers that would satisfy your specs, there's probably a cheaper PIC option out there, which would work just as well. The parametric product tables or parametric search at Digikey/Mouser are your friends. Just factor in the extra cost for development tools and possibly extra time for studying the different architecture (mainly peripherals as long as you're doing C).

Navigation

[0] Message Index

[*] Previous page

There was an error while thanking
Thanking...
Go to full version