Re: 25 microseconds?

"JimE" <JimE@xxxxxxxxxxxxxxxxxxx> wrote in message news:B1369ED4-2F14-4568-B824-F367EE3DDA4F@xxxxxxxxxxxxxxxx
...
the chip needs it's interrupt cause register
"drained" (read until it indicates no interrupts pending). Yet this just
points out how unrealistic a hard 25 microsecond time limit for the ISR is.
For some devices it's great, but for others it's just crazy.

Well... maybe this gives an idea, what means - hardware is "designed for Windows".
That old rusty serial chip wasn't.
--PA



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