电子术语中英文对照
,它通过串口或网络连接与目标机通讯。这处名词一般用来区别调试程序运行的计算机和被开发的嵌入式系统。
I
ICE
In-Circuit Emulator. See emulator.
在线仿真器。查阅仿真器。
I/O(输入/输出)
Input/Output. The interface between a processor and the world around it. The simplest examples are switches (inputs) and LEDs (outputs).
输入/输出。处理器与外界的交互界面。最简单的例子是开关(输入)和发光二级管(输出)。
I/O device(IO设备)
A piece of hardware that interfaces between the processor and the outside world. Common examples are switches and LEDs, serial ports, and network controllers.
一种介于处理器和外界之间的硬件设备。一般的实例是开关、LED、串口和网络控制器。
I/O map(I/O映射)
A table or diagram containing the name and address range of each peripheral addressable by the processor within the I/O space. I/O maps are a helpful aid in getting to know the target.
一张包含每个外设的名字和地址的表格或图表,可由处理器在I/O空间中设定地址。I/O映射对得知目标机情况非常有利。
I/O space(I/O空间)
A special memory region provided by some processors and generally reserved for the attachment of I/O devices. Memory locations and registers within an I/O space can be accessed only via special instructions. For example, processors in the 80x86 family have special I/O space instructions called in and out. Contrast with memory space.
一个由处理器提供的特殊内存区域,一般为为I/O设备的附件保留。在I/O空间的内存位置和寄存器只能通过特殊的指定进行访问。例如:80X86家族的处理器有叫做in / out的特殊的I/O空间指令。相对内存空间而言。
ISR(中断服务程序)
See interrupt service routine.
instruction pointer(指令指针)
A register in the processor that contains the address of the next instruction to be executed. Also known as a program counter.
包含下一条要执行指令地址的处理器中的寄存器。也叫程序计数器。
Interrupt(中断)
An asynchronous electrical signal from a peripheral to the processor. When the peripheral asserts this signal, we say that an interrupt occurs. When an interrupt occurs, the current state of the processor is saved and an interrupt service routine is executed. When the interrupt service routine exits, control of the processor is returned to whatever part of the software was previously running.
一个从外设到处理器的异步电信号。当外设发出这个信号,我们说一个中断发生。当一个中断发生,当前的处理器状态被保存并且中断服务程序开始运行。当中断服务程序退出,对处理器的控制权转到先前运行的那个软件上。
interrupt latency(中断延迟)
The amount of time between the assertion of an interrupt and the start of the associated interrupt service routine.
在中断发生和相关的中断服务程序运行之间的时间长短。
interrupt service routine(中断服务程序)
A piece of software executed in response to a particular interrupt.
响应特定中断而运行的一小段软件。
interrupt type(中断类型)
A unique number associated with each interrupt.
和每一个中断相关联的唯一数字。
interrupt vector (中断向量)
The address of an interrupt service routine.
中断服务程序所在的地址。
interrupt vector table(中断向量表)
A table containing interrupt vectors and indexed by interrupt type. This table contains the processor"s mapping between interrupts and interrupt service routines and must be initialized by the programmer.
一个表格,包含由中断类型决定的中断向量和索引。这个表格包含中断与中断服务程序之间的处理器的映射,必须由程序员进行初始化。
intertask communication(进程间通讯)
A mechanism used by tasks and interrupt service routines to share information and synchronize their access to shared resources. The most common building blocks of intertask communication are semaphores and mutexes.
一种被用来在任务和中断服务程序之间共享信息和同步它们对
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