Introduction - If you have any usage issues, please Google them yourself
(1) through the closed switch and disconnect K0 control A/D conversion start and stop, when to start A/D conversion, the second to connect to the analog PTB3 sampling time, the results sent to the indicator light shows that D7 ~ D0. (2) sampling the results of synchronous serial interface is sent to the PC machine (38400bps, N, 8,1), display format for " The signal is: x.xV" (full-scale to 5.0V).