本文档介绍了C54x指令系统寻址方式的分类和功能，指令系统中的常用符号、缩略语和运算符，数据传送、算术运算、逻辑运算、程序控制、并行操作和重复操作指令。 -This document describes the classification and function of the C54x instruction addressing, the instruction set of common symbols, abbreviations, and operators, data transfer, arithmetic, logical operations, process control, parallel operation and repeat the operation instructions.