DA转换原理实验

《DA转换原理实验》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、D/A转换原理实验1．斜波（锯齿波）：CODESEGMENTASSUMECS:CODEMAINPROCLP:MOVDX,308HMOVCX,0FFFHL1:MOVAL,0；要产生斜率为负的斜波则应改为：MOVAL,0FFHL2:OUTDX,ALINCALJNZL2LOOPL1MOVAH,1INT16HJNZEXITJMPLPEXIT:MOVAX,4C00HINT21HMAINENDPCODEENDSENDMAIN2．三角波：CODESEGMENTASSUMECS:CODEMAINPROCLP:MOVDX,308HMOVCX,0FFFHL1:MOVAL,0L

2、3:OUTDX,ALINCALJNZL3MOVAL,0FFHL2:OUTDX,ALDECALJNZL2LOOPL1MOVAH,1INT16HJNZEXITJMPLPEXIT:MOVAX,4C00HINT21HMAINENDPCODEENDSENDMAIN1．梯形波：CODESEGMENTASSUMECS:CODEMAINPROCLP:MOVDX,308HMOVAL,0HL1:OUTDX,ALINCALJNZL1MOVCX,0FFHMOVAL,0FFHL2:OUTDX,ALLOOPL2MOVAL,0FFHL3:OUTDX,ALDECALJNZL3MOVCX,

3、0FFHMOVAL,0HL4:OUTDX,ALLOOPL4MOVAH,1INT16HJNZEXITJMPLPEXIT:MOVAX,4C00HINT21HMAINENDPCODEENDSENDMAIN