On 2009/11/12, at 21:40, Sébastien Bourdeauducq wrote: > The interrupt controller in LM32 is definitely edge-sensitive, so its > documentation is wrong: > > I am also wondering why they use active low signals? From this design, they > do > not seem to provide any architectural advantage, and only make using LM32 a > bit more complex...
Thank you for examining. FYI According to following URL http://www.latticesemi.com/documents/gpio.pdf The LatticeMico32 GPIO includes level-sensitive and edge-sensitive IRQ. Takeshi
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