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help!!!about 7x256 sam7.s

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daniels

Post subject: help!!!about 7x256 sam7.s

Posted: Sat Jul 17, 2010 9:41 am

Joined: Sat Jul 17, 2010 8:53 am
Posts: 1

hi,everyone
this problem puzzled me for several days, i change the sam7.s for update SW through usart, after register setup i wrote:
IRQ_Handler
STMFD SP!, {R0-R3,LR}
LDR R0, =AIC_BASE
...
when excute "STMFD SP!, {R0-R3,LR}", jump to the "DAbt_Handler B DAbt_Handler", why?
By the way, how to remap under mdk, i haven't success yet.
thanks a lot

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