Posted on February 28, 2006 at 22:47Hello EtaPhi: Thanks for your help! In fact, the question is: Does external interrupt has pending flag, and when the pending flag is cleared? In the example you provided in the last post, while the ei1 handler ...

Posted on February 28, 2006 at 06:02 In an application of my customer, he want capture four digital signals with external interrupt, by connecting the signals with pins of port B and installing interrupt routing for ei1(external interrupt 1). He ha...