V2EX cpld

CPLD

释义 Definition

CPLDComplex Programmable Logic Device 的缩写,中文常译为复杂可编程逻辑器件:一种可由用户反复编程的数字逻辑芯片,用来实现组合逻辑、时序逻辑、状态机、简单控制逻辑等。常用于接口胶合逻辑、时序控制、简单数字电路替代分立逻辑门等。(相关领域也常与 FPGA 对比讨论。)

发音 Pronunciation (IPA)

/si pi l di/

例句 Examples

I used a CPLD to handle the timing signals.
我用一个 CPLD 来处理时序信号。

Compared with an FPGA, a CPLD is often chosen for smaller, deterministic control logic and simple glue logic in embedded systems.
与 FPGA 相比,CPLD 常用于更小、更确定性的控制逻辑,以及嵌入式系统中的简单“胶合逻辑”。

词源 Etymology

CPLD 来自首字母缩写 Complex Programmable Logic Device。早期的可编程逻辑器件(如 PAL/PLA)功能较简单,后来发展出更“复杂”、容量更大、结构更适合实现多组逻辑的 CPLD,名称中的 complex 即强调这一点。

相关词 Related Words

文学与著作中的使用 Literary Works

  • Digital Design and Computer Architecture(David Money Harris, Sarah L. Harris)在数字系统实现与可编程逻辑器件的讨论中常会提及 CPLD/FPGA 等。
  • Digital Design: Principles and Practices(John F. Wakerly)数字设计教材中在介绍可编程逻辑与实现方案时常出现 CPLD 相关术语。
  • 各大厂商器件手册与应用笔记(如 Xilinx/Intel(Altera)/Lattice 的 datasheet 与 app notes)CPLD 一词高频出现,属于该领域的核心术语与工程文献用语。
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