The hardware control system based on tms320f240 is designed , which includes sampling circuit , protective circuit , phase - compensated circuit , keyboard & display circuit and so on 接着设计以tms320f240为控制核心的硬件控制平台,包括了采样电路、保护电路、相位补偿电路、键盘显示电路等外围电路。
In the design process of hardware i studied in depth the a / d sampling circuit performance indicators and related test methods , while providing guidelines on design of the high - speed pcb circuit 另外,在硬件设计过程当中,深入的研究了a / d采样电路的性能指标和相关测试方法,同时给出了高速pcb电路设计注意事项。
The main content and creative work in this dissertation include : ( 1 ) design a high precision sampling circuit based on a dual channel adc ad10242 to provide data for the whole system 本文完成的主要工作和创新之处有: ( 1 )基于双通道模数转换器ad10242设计高精度数据采集电路,为整个脉压系统的工作提供必要的条件。
Second is store circuit composed by single - chip microcomputer - at89c51 and eeprom - at93c66 . the third is sample circuit composed by three digital temperature sensor - ds1820 . the final is output circuit At93c66是三线制microwire串行总线的eeprom ,在控制系统中用于存储用户的各种设定值和当前的工作状态(车厢温度、比例系数k _ u等) 。