基于ATmega8的肺活量测试仪.pdf

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基于ATmega8的肺活量测试仪

2008 5 27 5 ATmega8 赵秋 孔英 柴锁柱 (南京工业职业技术学院电气与自动化系 南京 210046) : AT mega8 MPX2010DP , , , ATmega8 , , : ;; ;ATmega8; : TP217 : A Vital capacity instrument owing to the ATmega8 Zhao Qiu Kong ing Cai Suozhu ( Electricity and Automation Department, Nanjing Institute of Industry Tec, Nanjing 210046) Abstract: This paper summarizes the function and characteristic of ATmega8and MPX2010DP, describes every parts of circuital design about the vital capacity tester, and gives thekey sub program design which realizes system function. The system not only guarantees measures high-accuracy and high sensibility, but also uses ATmega8, the core of control, that it facilitates wiring design. The calibrate realization method of the instrument has been studied and proposed, it also realize its credibility. Keywords: vital capacity; test; calibrate;ATmega8 AD ,, ADC 0 , MCU A/ D , ; , , SPI Flash ISP , , , , ATMEL ATmega8 C , IC- 8ATmega8 MOTOROLA CAVR MPX2010DP , MPX2010DP MOTOROLA [2] , , [ 3] 1 ATmega8 MPX2010 P 1 , 2 , , [1] ATmega8 8K Flash [ 3] ROM;512 EEPROM, 1 K SRAM;23 I/ O , , LED; 32 ; 3 / (T/ C) , 51 , T/ C MCU ; / , USART; 10 6 (TQFP MLF 8 )ADC, : ( 1964-) , , ,

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