SCM control six digital tube rolling display 0 to 5 (1 second) to refresh time, when the external interrupt 0 requests interruption, single-chip microcomputer control six digital tube display ERROE 3 seconds, and then continue to scroll 0 to 5.

CodePudding user response:

Please specify the type of single chip microcomputer

CodePudding user response:

Refer to the six digital display https://blog.csdn.net/xianfajushi/article/details/85511846 does not send a signal to the digital tube.