interrupt priority levels

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interrupt priority levels

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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by VijayM on Thu Aug 23 01:13:50 MST 2012
43xx user manual defines 8 programmable interrupt priority levels, while lpc43xx.h file defines

#define __NVIC_PRIO_BITS  4   /*!< Number of Bits used for Priority Levels */= 16 programmable interrupt priority levels

what are the exact interrupt priority levels are avaliable in 43xx?
Can we modify the __NVIC_PRIO_BITS constant to modify the programmable interrupt priority levels in the 4330 device?
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