基于Proteus的AD轉(zhuǎn)換仿真

1、Proteus基于Proteus的AD轉(zhuǎn)換仿真班級(jí)：電信13-2姓名：段學(xué)亮鄧成智 崔俊杰 鄧石磊 陳亮 高金玉成績(jī)：電子與信息工程學(xué)院信息與通信工程系1 .設(shè)計(jì)要求1.1 掌握Proteus軟件與Keil軟件的使用方法1.2 設(shè)計(jì)一個(gè)簡(jiǎn)單的單片機(jī)數(shù)據(jù)采集系統(tǒng),利用ADC0809轉(zhuǎn)化器,輪流采集模擬量輸入電壓信號(hào),并將模擬量轉(zhuǎn)換成數(shù)字量,通過數(shù)碼管顯示器顯示.2 .仿真電路圖ADC0809仿真電路圖如圖2-1U1X1 19X2 18RST 9XTAL1XTAL2RSTU2U4ALEEAP1.0/T2P1.1/T2EXP1.2P1.3P1.4P1.5P1.6P1.7P0.0/AD0P0.1/AD

2、1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD3938373635333221222324252610AT89C52P0.0P0.1PUTP0.3PCTT13D0D1D2D3D4Q0Q1Q2Q3Q4Pere-P0.71718D5D6D7IN0 26P2.0P2AU3:A1ALE 11OE LE74L

3、S373-13-16/WRQ5Q6Q7| 9二16-19IN1IN4IN525IN2IN3IN6IN72423Sl 22IN0OUT1OUT2OUT3ADD AADD BADD CALE1216VREF(+)VREF(-)ADC0809OUT4OUT5OUT6OUT7OUT8H R210kIRV110CLOCK6STARTEOC21PO.719151417OEP05P0F3P0.2P0T1P0k)OE/RD圖2-1:ADC0809仿真電路圖3 . C51程序#include <reg52.h>#include<intrins.h>#include<absacc.h

4、>#define uchar unsigned char#define uint unsigned int#define COM0808 XBYTE0XEFF8char code dis_code=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff;char find_code4;sbit EOC=P3A3;sbit P0_7=P0A7;void Delay1ms(uint count)uint j; while(count-!=0) for(j=0;j<80;j+);)void disp() uchar i,j=0x01;

5、uchar k;for(i=0;i<4;i+) P2=j;k=find_codei;P0=dis_codek;if(i=2) P0_7=0;)Delay1ms(1);j=_crol_(j,1);)int ad0808()int m;COM0808=0X00;dowhile(!EOC);m=COM0808;return(m);void main()while(1) int X;X=ad0808();X=X*100/51;find_code0=X%10;find_code1=X%100/10;find_code2=X/100;find_code3=11;disp();4 .仿真效果將程序產(chǎn)生的十六進(jìn)制代碼加載到proteus中,運(yùn)行仿真,調(diào)節(jié)滑動(dòng)變阻器改變AD輸入的電壓,可以到如圖4.1-4.6所示的仿真結(jié)果+5V為 5.00V4-2+5V:輸入電壓為 4.70V4-1:輸入電壓:輸入電壓為2.55V4-3 :輸入電壓為3.10V4-4+5V4-5 :輸入電壓為2.80V4-6:輸入電壓為4.05V5 .仿真總結(jié)這次A/D仿真實(shí)驗(yàn)相對(duì)以前的三個(gè)實(shí)驗(yàn)對(duì)于我來說有比擬大的難度.在自主編程和繪制原理圖的過程中理論知識(shí)的欠缺就表現(xiàn)出來了.比方說：在使用Protues軟件進(jìn)行電路設(shè)計(jì)時(shí)接線的引腳連接不是很清楚,不知道正確使用