介绍如何利用可编程逻辑器件(CPLD)来控制ISD2590语音芯片，及其在公用电话网家电控制系统中的应用。
Discussed are how to use CPLD to control ISD2590 sound chips, and its application on consumer electronic equipment control systems in public telephone network is presented.
CPLD芯片具有硬件逻辑在系统可编程功能，大大提高了系统设计的灵活性。
The adoption of CPLD chip whose hardware logic can be reprogrammed in system helps to enhance the flexibility of system.
采用功能强大的EDA软件，结合在系统可编程技术(isp)，可以在不从电路板上拆下芯片的情况下，应用ISP技术，改变芯片的逻辑内容。
Adopting ISP and EDA technique may not only integrating circuit but also changing the logic content of the chip without dismantling it from the circuit board.
采用功能强大的EDA软件，结合在系统可编程技术(isp)，可以在不从电路板上拆下芯片的情况下，应用ISP技术，改变芯片的逻辑内容。
Adopting ISP and EDA technique may not only integrating circuit but also changing the logic content of the chip without dismantling it from the circuit board.
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