SX vs. AVR

Escamoteur

Hi,

I'm still evaluating different µCs.

Can anybody tell me which advantage a SX has against an AVR from ATMEL? From IO point of view everything counts for the AVR.

Best

Thomas

Bean

Thomas,
Which AVR ?

Two of the SX's advantages are it's speed (up to 75MIPS), and this forum.

Bean.

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Escamoteur

e.g. the ATMega32.

DigitalDj

I have worked with Atmega a little bit and I like the SX28 is alot better. For one I don't like that fact if you don't set the internal clock(i think it's called fuse if i remember correctly)·when you program it your only choice then is to use a external resonator. Setting it up to program it I think is a bear. The SX is so much easier to work with. I was going through the same questions as you and I have settled on Parallax products. I am in the process of learning to program now and there is some great books on the site. I chose to program in basic because of past programming experience, so when Jon releases his book there will be plenty of material for both sides of the programming languages. I think there is also C being developed!

Kevin



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LoopyByteloose

AVRs have a very rich set of features, but if you try to use all of them I suspect you will discover conflicts that are very complex to understand. For instance, when you use the Real Time Clock, certain communication functions need to be avoided because they interfer with the clock tick. It really is much better to set aside a dedicated clock chip that never interfer's with other processes. Just call it when you want the time.

On the other side, the SX-28 and SX-48 can do much the same in software, but you are free to leave out all the features you don't need.

In sum, it is a cleaner solution that empowers you to learn low level code in a precise manner.

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