Vodafone SS 08 - Manual (Page 48)

TU Dresden, 4/29/2008 Slide 48
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Interrupt Interrupt- and Thread Types
ƒ HWI priorities set by hardware
Î One ISR per interrupt
ƒ 14 SWI priority levels ÎMultiple
SWIs at each level
ƒ 15 TSK priority levels ÎMultiple
TSKs at each level
ƒ Multiple IDL functions
Î Continuous loop
Î HWI triggered by hardware interrupt
Î IDL runs as the background thread