1. How should I draw each layer when drawing pads in Allegro ? How should I draw surface mount pads? How should I draw through-hole pads? Mainly, I don’t know how to get the size of each layer. Is the
As the title says, this is the so-called abnormal version of the 3-wire SPI bus on the Internet: one clock line, one enable line, and one bidirectional IO line.
One module, two files:
//spi3.c #incl