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AT91 EB40 timers


On the AT91-EB40 board, Timer-0 is used for the system clock.
I want to write an application that uses timer-1 and timer-2 .
Are these safe(free) to use?
I know that the following function makes use of timer-2:
void hal_delay_us(cyg_int32 usecs) [in at91_misc.c]
Is this actually used by any kernel functions? Am I likely
to undermine any core functionality by using timer-2?

Thanks for any help

Pete


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