说明：  该系列具备所有PIC18单片机固有的优点——即优惠的 价格和出色的计算性能，还具有高耐久性和增强型闪存 程序存储器。除此之外， PIC18F2455/2550/4455/4550 系列 还引进了增强的功能，使得该系列单片机成为许多高性 能和节能应用的明智选择。
(This series has the inherent advantages of all PIC18 Single Chip Computers - preferential prices and excellent computing performance, as well as high durability and enhanced flash program memory. In addition, PIC18F2455/2550/4455/4550 series also introduced enhanced functions, making the series of single-chip computers a wise choice for many high-performance and energy-saving applications.)