| 术语 | peripheral processor |
| 释义 | peripheral processor 外围处理机;［周边处理机］ The processors which operate asynchronously with CPU and with each other. CPU subsystems often consist of a memory subsystem and the CPU. Each class of peripheral devices is controlled directly by its own peripheral processor. Peripheral processors generally operate as slaves to a host processor but have their own memory, input/output bus, and peripherals. Using direct memoryaccessing techniques, they can also access the memory or peripherals of the hosts' system. 一些处理机与CPU且相互之间都异步运行。通常CPU子系统由存储子系 统与CPU组成。每一种外围设备都由它们自己的外围处理机直接控制。一般情况下,外围处理机 作为主机的从机而运行,但也有它自己的存储器、输出输入总线以及外部设备。采用存储器 直接存取技术,它们也可以从主机系统的存储器或外部设备中进行存取。 |
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