To raise the reliability of MCU system, this paper puts forward a design scheme based on double microcontrollers. Besides the construction, the working principle has been discussed in the paper.
本文从提高单片机系统的可靠性出发，提出了双机冗余设计方案，并就其工作原理、组成结构进行了分析。
The system uses double MCU to solve the problem of resource bottleneck in single MCU, realizing the separate of display and measure;
本系统采用双MCU以解决单MCU资源不够的问题，实现测控与显示的分离；
The ADS1110 was used to feed back output signals to MCU, and a double-loop regulation system with analog inner-loop and digital outer-loop was formed.
并以ADS1110将输出信号反馈到单片机，形成模拟内环和数字外环的双闭环调节系统。
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