说明：  宏晶单片机资料，介绍各种型号单片机性能特点和基本应用方方法，有相关例程。可作选型参考。，已通过测试。
(Macro crystal microcontroller information on various models of single-chip performance characteristics and basic square method, and related routines. Can be used for the selection of reference. , Has been tested.)