此资料为本人在某培训机构任PIC单片机讲师时的课件，适合PIC单片机的初学者，以PIC16F877A单片机为例，详细讲述了PIC内核结构、定时器、中断、AD转换和串口通讯等功能。-This information is PIC microcontroller training instructor courseware for beginners to PIC16F877A microcontroller, for example, described in detail the structure of the PIC core, timer, interrupt, AD conversion and serial communication functions.