状态字

介绍了RISC单片机PIC16C57的运算部件，包括ALU、W寄存器、移位寄存器和状态字寄存器，详细说明了其电路结构、工作原理及设计特点。

An operational unit for RISC microcontroller is described , which is composed of an arithmetic logic unit ( ALU ), W-register , shifter and status word register . The circuit structure , theory of operation and design considerations are dealt with in detail .

MILSTD1553B总线由命令字、数据字和状态字组成，传输有半双工、传输协议和系统控制等方式，采用双冗余故障容错，其第二条总线处于热备份。

MIL_STD_1553B bus is composed of command word , data word and status word , semiduplex transport , transport protocol , and system control modes were applied for transmission , and dual redundant fault tolerance was used and second bus was in warm back-up .

PLC向变频器写入控制字和转速设定值、并读取变频器的状态字和转速实际值。

PLC writes to converters the control words and rotational speed set value , at the same time read the status words and the real values of the rotational speed from the converters .

设计了一个基于SoC的可重构密码运算模块，包括：配制与运行控制字和状态字的设计、模块电路的设计、模块与SoC系统两种接口类型的设计。

A reconfigurable cryptographic operate module is designed based on SoC system . The configure control word , run control word and state word are designed . The circuit of the module is designed .

区域状态字位组合格式

Region status word bit pattern

程序状态字关键码处理

Program status word key handling

本文应用压缩存贮、状态字和多方案插值等技巧，提出全状态动态规划。

The full status dynamic programming by the storage , status words and the method of interpolation is presented .

处理器状态字中的一种专用位，它按照某种运算异常来控制处理器。

A special bit of the status word in a processor , which controls the processor in accordance with a operational exception .

并且就工艺的灵活多变提出了一种新的软件设计思想&工艺字、状态字配合组态软件，适当变化控制工艺的要求的软件设计思想。

In addition , about flexible technics it provides a new design idea of software and an implementing method , combining the status word with the technic word , properly changing the requirement of control process , according to the design process of the control system of sewage treatment .

调用程序的程序状态双字

Caller 's program status double word

程序状态（双）字中包含有写关键字的那一部分。

The part of the program status double word that contains the write key .

新程序状态存储区指示字

New program status area pointer

其块堆栈、中断堆栈和局部堆栈通过系统自诊断可自动生成各部分状态，经编程器读写状态字和控制字能判断系统故障原因和部位。

The block storehouse , interrupt storehouse and local storehouse can automatically create the state of each part by self-diagnosis of system . Fault causation and fault position of the system can be judged with programmer reading or writing state word and control word .