控制单元由程序存储器ROM、指令译码器、地址生成模块、程序计算器PC 组成。
The control path contain Instructor ROM, instructor register, instructor decode unit, address creating module and Program Counter (PC)module.
译码单元由指令缓存器和指令译码器构成，针对12位的指令代码翻译成16位控制信号，传送给处理器内部各个部件，用以保证各部件正常工作。
The encoding unit, composed of instruction buffer and command encoder, translates the 12-bit command code to 16-bit control signal, and ensures each part of the system to work steadily.
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