You can view an RS232 exercise done in class here (RS-232 review). Most of you usually think you got RS-232 but you still make mistakes. Do not forget the start bit is 0. Not 10. When you have 2 frames back to back, the start bit of the 2nd frame comes right after the stop bits of the 1st frame. Stop bits are always 1.
We have looked at parity in more detail. We said RS-232 is full-duplex.
We have looked at computer networking in general.
We have discussed how a UART samples RS-232 signals. A UART takes 16 samples every baud (one bit time). It decides which sample is the best one to use out of the 16 samples based on the point where a 1 to 0 transition occurs.
Other topics covered were Clock2Q delay, setup time, clock skew, shoot-through. You can search for these on google with site:ugurdag.com or on all of the web.
