need avr compiler and simulator

hi to all
i am going to use at90usb646/647 for my project... i want to know which compiler and simulator is need for my project.. and also send the related link... please help me...

hi ssenthilvelavan
see this link
http://avaxhome.ws/software/codevisionavr_v1_25_3.html

majoka the file have been deleted in tat link... can i use avr studio...... is it have both compiler and simulator.....

hi ssenthilvelavan
yes it has both

avr studio comes with assembler and simulator, you need to install winavr compiler too for c programming.

hi majoka can u send winavr download link

hi ssenthilvelavan
download from here
http://sourceforge.net/projects/winavr/files/

hi
please see this link to start win avr
http://fandigunawan.wordpress.com/2008/06/18/lcd-nokia-3310-pcd8544-driver-in-winavravr-gcc/
http://bricsworld.com/start-with-winavr/
here is a pdf also to get start i also provide a lcd sample code in winavr c after some hours

hi friends
now i understand about the use of win avr and avr studio....now i send one pdf to u.there u get the working detais of winavr...i want to know how to execute a c program in winavr...i could not found the exe file in my folder.... in tat file 22 nd page read carefully and send the details.... because i could not create exe file there

hi

i could not found the exe file in my folder

exe file or hex file
clarify this please
here is a lcd example in avr studio