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📁 51单片机的内存优化和中断的有用知识
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<DIV class=3D"page bgr" id=3DpageNavigator1>
<P class=3Dleft>=B9=B2 <SPAN class=3Dhit =
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class=3Dhit=20
id=3DcurrentPageNum></SPAN>=D2=B3/=B9=B2 <SPAN =
id=3DtotalPageNum></SPAN>=D2=B3</P>
<DIV class=3Dpage_s id=3DcommentPageIndexBottom><A =
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onclick=3D"firstPage();return false;" href=3D"javascript:void(0);"><IMG=20
class=3Dbt_pre_e alt=3D=B5=DA=D2=BB=D2=B3 =
src=3D"http://imgcache.qq.com/ac/b.gif"><SPAN=20
class=3Dnone>=B5=DA=D2=BB=D2=B3</SPAN></A> <A =
onclick=3D"prePage();return false;"=20
href=3D"javascript:void(0);"><IMG class=3Dbt_pre =
alt=3D=C9=CF=D2=BB=D2=B3=20
src=3D"http://imgcache.qq.com/ac/b.gif">=C9=CF=D2=BB=D2=B3</A> <A=20
onclick=3D"nextPage();return false;" href=3D"javascript:void();" =
?>=CF=C2=D2=BB=D2=B3<IMG=20
class=3Dbt_next alt=3D=CF=C2=D2=BB=D2=B3 =
src=3D"http://imgcache.qq.com/ac/b.gif"></A> <A =
title=3D=D7=EE=BA=F3=D2=B3=20
onclick=3D"lastPage();return false;" href=3D"javascript:void(0);"><IMG=20
class=3Dbt_next_e alt=3D=D7=EE=BA=F3=D2=B3 =
src=3D"http://imgcache.qq.com/ac/b.gif"><SPAN=20
class=3Dnone>=D7=EE=BA=F3=D2=B3</SPAN></A> </DIV></DIV><!--E =
=D0=A1=D2=B3=C2=EB--><!-- =C6=C0=C2=DB=C7=F8 start -->
<DIV class=3Dbg_mode>
<DIV class=3Dmode_9box>
<DIV class=3Dbox_tr>
<DIV class=3Dbox_tl>
<DIV class=3Dbox_tm></DIV></DIV></DIV>
<DIV class=3Dbox_mr>
<DIV class=3D"box_ml bor">
<DIV class=3Dmode_gb><!--S =C4=A3=BF=E9=B1=EA=CC=E2 -->
<DIV class=3D"mode_gb_title style_mode_gb_title" style=3D"HEIGHT: auto">
<DIV class=3Dbg_mode_gb_title>
<H4><IMG class=3Dicon_title alt=3Dicon=20
src=3D"http://imgcache.qq.com/ac/b.gif">=B7=A2=B1=ED=C6=C0=C2=DB</H4></DI=
V></DIV><!--E =C4=A3=BF=E9=B1=EA=CC=E2--><!--S =C4=A3=BF=E9=C4=DA=C8=DD =
-->
<FORM id=3DcommendForm onsubmit=3D"return commentSubmit()">
<DIV class=3D"mode_gb_cont =
guest_comment"><!--=CA=E4=C8=EB=C4=DA=C8=DD=BF=AA=CA=BC-->
<DIV class=3D"comment_menus bg2"><A class=3D"c_tx4 right"=20
href=3D"http://qzone.qq.com/web/help/helpa01.shtml?url=3Dhelpa27.htm"=20
target=3D_blank>=C8=D5=D6=BE=D0=C2=B0=E6=C9=FD=BC=B6=CC=D8=D0=D4=BD=E9=C9=
=DC</A> <INPUT type=3Dhidden value=3D0 name=3Dcb_ysc> <INPUT=20
type=3Dhidden value=3D0 name=3Dcb_chx> <INPUT type=3Dhidden value=3D0 =
name=3Dcb_tsza> <A=20
id=3DstartToolSelect onclick=3DselectTools(this)=20
href=3D"javascript:void(0);">=C7=EB=D1=A1=D4=F1=B5=C0=BE=DF</A> <SELECT =
id=3DtoolSelector=20
onblur=3DchangeTool(this) style=3D"DISPLAY: none" =
onchange=3DchangeTool(this)=20
name=3DmagicEffect> <OPTION =
selected>=C7=EB=D1=A1=D4=F1=B5=C0=BE=DF</OPTION> <OPTION=20
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value=3Dcb_chx>=B2=CA=BA=E7=EC=C5</OPTION> <OPTION=20
  value=3Dcb_tsza>=CC=EC=CA=B9=D6=AE=B0=AE</OPTION></SELECT> </DIV>
<DIV class=3Dguest_comment_cont>
<DIV id=3DcommentEditorAnchor></DIV><TEXTAREA class=3Dcontent =
id=3DcommentEditor style=3D"BORDER-RIGHT: #ccc 1px solid; BORDER-TOP: =
#ccc 1px solid; FONT-SIZE: 14px; BORDER-LEFT: #ccc 1px solid; COLOR: =
gray! important; BORDER-BOTTOM: #ccc 1px solid" =
onfocus=3DgetUBBeditor(this) name=3Dcontent =
rows=3D13>=B5=E3=BB=F7=D5=E2=C0=EF=B7=A2=B1=ED=C6=C0=C2=DB</TEXTAREA>=20

<DIV class=3Dsubmit_cont><BUTTON class=3Dbt_tx2 title=3D=CC=E1=BD=BB=20
onclick=3DcommentSubmit()>=CC=E1=BD=BB</BUTTON><BUTTON class=3Dbt_tx2 =
title=3D=C8=A1=CF=FB=20
onclick=3DcancelCommentSubmit()>=C8=A1=CF=FB</BUTTON> <!-- <label =
id=3D"msgboardSelfReply" class=3D"loginguest" =
style=3D"display:none"><input type=3D"checkbox" id=3D"msgReplyCheck" =
onclick=3D"checkMsgReply(this);" /> =C7=C4=C7=C4=BB=B0 <span =
id=3D"hintMsgSelfReply"> | =
=A3=A8=BD=AB=C4=FA=B5=C4=BB=D8=B8=B4=D2=D4=D0=A1=D6=BD=CC=F5=D0=CE=CA=BD=B7=
=A2=CB=CD=B8=F8=B6=D4=B7=BD=A3=A9 <a =
href=3D"javascript:showMsgLeftCnt();">=B2=E9=BF=B4=BD=F1=C8=D5=C3=E2=B7=D1=
=B7=A2=CB=CD=CA=FD=C1=BF</a></span></label> =
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--E =C4=A3=BF=E9=C4=DA=C8=DD --></DIV></DIV></DIV>
<DIV class=3Dbox_br>
<DIV class=3Dbox_bl>
<DIV=20
class=3Dbox_bm></DIV></DIV></DIV></DIV><!--E =
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--></DIV><!--=C6=C0=C2=DB=C7=F8 end --></DIV></DIV><!--=3D=3DE =
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<DIV class=3Dgb_copyright>
<P><SPAN class=3Den>copyright &copy; 1998 - 2009 Tencent Inc. all rights =

reserved</SPAN> =CC=DA=D1=B6=B9=AB=CB=BE =B0=E6=C8=A8=CB=F9=D3=D0 =
</P></DIV></DIV></DIV></DIV>
<SCRIPT src=3D"http://imgcache.qq.com/qzone/newblog/js/newubb.js"=20
type=3Dtext/javascript charset=3Dgb2312></SCRIPT>

<SCRIPT src=3D"http://imgcache.qq.com/qzone/newblog/js/starblogmain.js"=20
type=3Dtext/javascript charset=3Dgb2312></SCRIPT>

<SCRIPT src=3D"http://imgcache.qq.com/qzone/v5/namecard.js" =
type=3Dtext/javascript=20
charset=3Dutf-8></SCRIPT>

<SCRIPT type=3Dtext/javascript>
//<![CDATA[
	var g_iLoginUin =3D checkLogin();

	var contentProperty=3D{
		"currentBlogid":null,
		"currentVoteid":null,
		"currentCommentPage":0,
		"lastCommentPage":null,
		"totalCommentNumber":0,
		"pageList":{},
		"pageIndexMap":[],
		"currentCList":null,
		"editorCallbackToDoList":[]
	};
=09
	var crRequestList=3D[];
	var portraitRequestList=3D[];
	var campusportaritRqList =3D [];
	var nav=3D{
		"direct":null,
		"queue":[],
		"cp":0
	};
=09
	fixImagesSize();
	setLoginStatus();
	var frmComment=3Ddocument.getElementById("commendForm");
	if((isStar || isBiz) && (parent.g_iLoginUin!=3Dparent.g_iUin)){
		$("startToolSelect").style.display=3D"none";
	}
	$('veryContent').style.fontSize=3D"14px";
	setTimeout(contentInit,50);
//]]>
</SCRIPT>
<NOSCRIPT><IMG =
alt=3D=C4=FA=B5=C4=E4=AF=C0=C0=C6=F7=B2=BB=D6=A7=B3=D6=BD=C5=B1=BE=20
src=3D"http://imgcache.qq.com/qzone/noscript.gif"></NOSCRIPT>
<SCRIPT src=3D"http://imgcache.qq.com/qzone/v5/static.js" =
type=3Dtext/javascript=20
charset=3Dutf-8></SCRIPT>

<SCRIPT src=3D"http://imgcache.qq.com/qzone/ping.js" =
type=3Dtext/javascript=20
charset=3Dgb2312></SCRIPT>

<SCRIPT type=3Dtext/javascript>=20
// =CD=B3=BC=C6=CF=E0=B9=D8
//<![CDATA[
/**
 * =B7=A2=CB=CDtrace(=D0=E8=D2=AAping.js=D6=A7=B3=D6)
 */
function sendTrace(){
	var ol=3D0;
	var icache=3DgetCookie("icache");
	var uin=3DgetCookie("uin_cookie");
	if(icache=3D=3D'-'&&uin!=3D'-')
	{
		var s=3D'DEFG@ABCLM';
		var r=3D"";
		for(var i=3D0;i<uin.length;++i)
		{
			r+=3Ds.charAt(uin.charAt(i));
		}
		setCookie("icache",r)
	}
	=
if(!(/(qzone)|(cache)|(ossweb-img)|(ring)|(im)|(fo)|(shuqian)|(photo)|(pe=
t)|(r2)|(bar)|(client)|(music)|(pay)|(paipai)|(sg)|(vip)|(show)|(comment)=
|(qqtang)|(safe)|(service)|(love)/.test(pvRealDomain))) {
		window.uv=3Dnew Image(1,1);
		var loc=3Descape(window.location.href);
		=
urlstr=3D'pj=3D1990&dm=3Dblog.qq.com&url=3D'+(pvCurUrl=3D=3D'-'?'':pvCurU=
rl)+'&arg=3D&rdm=3D'+(pvRefDomain=3D=3D'-'?'':pvRefDomain)+'&rurl=3D'+(pv=
RefUrl=3D=3D'-'?'':pvRefUrl)+'&rarg=3D&icache=3D'+icache+'&uv=3D'+getCook=
ie('pvid')+'&nu=3D&ol=3D'+ol+'&loc=3D'+loc+'&rnd=3D'+Math.round(Math.rand=
om()*100000);
		uv.onerror=3Dfunction(){return;};
		uv.src=3D'http://trace.qq.com:80/collect?'+urlstr;	=09
	}
}

if(isStar){
	=
send_stat_request('http://n.qzone.qq.com/cgi-bin/pvuv/set_pvuv?uin=3D4181=
2358&debug=3D1&jl=3D' + Math.random(), 2000);
	sendPVStar();
	sendTrace();
}
setTimeout('sendRefer()', 3000);

function goMall(){
	if(g_iLoginUin > 10000)
		location.href=3D"http://user.qzone.qq.com/" + g_iLoginUin + "/mall";
	else
		showLoginBox("mall");
}

function addFriends(){
	if(g_iLoginUin > 10000)
		parent.popupDialog("=CC=ED=BC=D3=BA=C3=D3=D1", '<iframe =
style=3D"height:100%;width:100%" frameborder=3D"0" =
allowTransparency=3D"true" =
src=3D"/qzone/newfriend/friend_add.html?ouin=3D41812358"></iframe>', =
380, 150);
	else
		showLoginBox("mall");
}
//]]>

function loadToolbar(){
	var flag=3DENV.get("toolbarLoaded");
	if(!flag){
		QZONE.toolbar=3D{};
		var t=3Dnew QZONE.jsLoader();
		t.onload =3D function(){
			ENV.set("toolbarLoaded",true);
			QZONE.toolbar.bootstrap();//=B9=A4=BE=DF=CC=F5=C6=F4=B6=AF=C6=F7
		};
		t.load("/qzone/v5/toolbar.js", null, "utf-8");
	}else{//=D5=E2=C0=EF=BF=C9=D2=D4=CA=C7refresh toolbar=B5=C4=B3=A1=BE=B0
		if(QZONE.toolbar){
			QZONE.toolbar.init();
			QZONE.toolbar.activityBind();
		}
	}
}
function getOwnerNickname() {return "=D2=A3=CD=FB=D6=E9=B7=E5";};
function getNickname(){return "=CE=D2=B5=C4=BF=D5=BC=E4";}
function getBitMapFlag(n){return 0;}

loadToolbar();

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