I bought a 2410 board, which uses cs8900 to drive the network port. I configured the cs8900 these days. Now when the 8900 generates an interrupt, it can trigger the EINT9 pin of the 2410 through its o...
Please help me explain the following program. I am used to Arduino, but I suddenly don't understand the SAM4L program. I have been reading the official routine for a day, but I don't understand what t...
What circuit can achieve this function? There are two input signals, one is DC +12V, and the other is a square wave signal (after biasing, that is, there is no negative signal). The two signals share ...