摘要
新型AVR单片机有丰富的I/O口资源、SPI功能,丰富的外部中断源和快速中断反应能力.基于AVR设计的试验设备数据采集系统分为信号变换电路、AD转换电路和数据传输电路3部分.此系统的数据转换效率高、抗干扰能力强、运行稳定.
The AVR microprocessor possesses richer I/O ports and rapid-responsed external interrupts,in particular,SPI module.The new AVR microprocessor-based data acquisition system includes signal conditioning circuit,AD conversion circuit and data transfer circuit.Better performances with high efficiency,capacity and reliability are expected.
出处
《石家庄职业技术学院学报》
2010年第6期29-31,共3页
Journal of Shijiazhuang College of Applied Technology
关键词
AVR单片机
数据采集
试验设备
AVR microprocessor
data acquisition system
testing machine
