Selection of 32bit cpu

Nov 14, 2003 1 Replies

I'm in the process of evaluating a 32bit cpu. The requirements are somewhat conflicting.



-The required tools should be useable after a rather short time, meaning I'm not too keen on debugging some open source tools first



-The tools should have a responsive support, a newsgroup is prefered, and a listserver accepted. Personal email and webbased one-to-one support is considered not fast enough.



-floatingpoint can be hardware or not, best when there is a choice between code compatible devices.



-DSP or microcontroller, is not decided yet



-Flash and RAM in the same chip are preferred.



-An emulator is not required



-Sourcelevel single stepping by JTAG welcome



I'm aware of : Atmel's ARM AD's Blackfin, Sharc, Tigersharc, DSP TI's TMS series Intel's iAPX386 compatible



though except the last haven't any experience in them nor their tools. Oh, I forgot, a few years ago, I had a project with a TI 320C62xx and wasn't impressed at all by the code composer studio.



Did I forget something ? I'll focus on the available tools, as they tend to decide the useablility of a processor and have the most influence on the development time of a project.



Recommendations ?



Rene


Ing.Buero R.Tschaggelar - http://www.ibrtses.com & commercial newsgroups - http://www.talkto.net

If you go with an ARM processor, then you'll find that most large compiler vendors like Green Hills support that.

AT91FR40162 will have 2 MB Flash and 256 kB RAM in the same package.

Best Regards Ulf at atmel dot com These comments are intended to be my own opinion and they may, or may not be shared by my employer, Atmel Sweden.

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