嵌入式声强监控系统设计

介绍了一种基于ATmega128单片机和A/D转换芯片AD1674的嵌入式声强监控系统。通过对ATmega128单片机和A/D转换芯片AD1674特点和工作原理的分析，设计了嵌入式声强监控系统的总体方案，深入讨论了声强监控系统前端采集、模拟放大、A/D转换以及与ATmega128单片机接口技术的设计。通过串口接口将单片机经过处理后的数据传输至上位机进行显示，并可以在线修改系统监控参数值。最后通过试验验证，所设计的嵌入式声强监控系统操作简单、运行稳定可靠。

Design of Embedded Sound Intensity Monitoring System

This paper introduces a kind of embedded sound intensity monitoring system based on ATmega128 single-chip microcomputer and A/D conversion chip AD1674. Designs the overall scheme of embedded sound intensity monitoring system based on ATmega128 single-chip microcomputer and A/D conversion chip AD1674 characteristics and working principle analysis, deeply discussed the sound intensity monitoring system front-end acquisition, analog amplifier, A/D conversion and the design with ATmega128 single-chip microcomputer interface technology. Processed data will be transmitted via a serial port interface to host computer for display, and can be modified online system monitoring parameter values. finally through the test, the design of the embedded monitoring system to collect sound intensity simple operation, stable and reliable.