This paper introduces MSP430 Ultra-Low Power Microcontroller and the ISD4004 chip. A multi-function telephone record system was designed with the two chips and 74c922 keypad encoder IC.
本文以介绍MSP430单片机和ISD4004语音芯片为基础，结合键盘控制器74c922和MSP430的外围设备设计了一台多功能电话留言系统。
The essay expounds a practical RFID system. The devise adopt the multi-pro IC chip S6700 produced by TI, MCU PIC16F877 and power magnifier module to realize long distance RFID system.
以射频识别技术的实际应用为背景，采用TI公司生产的多协议收发器芯片S6700，结合PIC16F877 MCU和功率放大模块设计远距离阅读器。
AD73360 is a programmable three-phase electrical parameter measurement IC chip. It is mainly used in industry ammeter and multi-input systems.
AD 73360是一主要适用于工业电表和多路输入系统的可编程三相电量测量ic器件。
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