摘要
针对目前使用的语音报警器存在的问题 ,以 89C5 1为核心 ,采用直接模拟存储技术 DAST的芯片 ISD14 2 0对语音报警器进行了开发和设计 。
To against the problems existing in operation of industrial voice annunciator, with 89c51 microcontroller as example, an industrial voice annunciator is developed and designed by ISD1420 voice chip The circuit of the part and the subroutine are given
出处
《现代电子技术》
2004年第12期19-21,共3页
Modern Electronics Technique
关键词
语音报警
单片机
语音芯片
接口
voice alarm
microcontroller
voice chip
interface