[Milkymist-devel] LM32 interrupts
Takeshi MATSUYA
macchan at sfc.wide.ad.jp
Thu Nov 12 05:50:46 PST 2009
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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