c51 内存优化,c51系列,电子知识-全民业务网.mht

51单片机的内存优化和中断的有用知识

5px; PADDING-TOP: 5px
}
.yiNewsRboxpic LI {
	BORDER-RIGHT: #ddd 1px solid; BORDER-TOP: #ddd 1px solid; DISPLAY: =
inline; FLOAT: left; MARGIN: 5px; BORDER-LEFT: #ddd 1px solid; WIDTH: =
162px; PADDING-TOP: 5px; BORDER-BOTTOM: #ddd 1px solid; TEXT-ALIGN: =
center
}
.yiNewsRboxpic LI IMG {
	VERTICAL-ALIGN: top
}
.yiNewsRboxpic LI P {
	LINE-HEIGHT: 22px
}
.tab TD {
	PADDING-LEFT: 5px; COLOR: #1f3a87; LINE-HEIGHT: 24px; BORDER-BOTTOM: =
#b2c2cf 1px dashed; TEXT-ALIGN: left
}
.tab TD A {
	COLOR: #1f3a87
}
.tab TD A:visited {
	COLOR: #1f3a87
}
.tab TD A:hover {
	COLOR: #f60
}
.tabTit TD {
	PADDING-LEFT: 5px; FONT-WEIGHT: bold; BACKGROUND: #f0f0f0; LINE-HEIGHT: =
20px; BORDER-BOTTOM: #aca9a2 1px solid; TEXT-ALIGN: left
}
SPAN.green {
	FONT-SIZE: 12px; COLOR: #666
}
SPAN.green A:link {
	COLOR: #666; TEXT-DECORATION: none
}
SPAN.green A:visited {
	COLOR: #666; TEXT-DECORATION: none
}
SPAN.green A:active {
	COLOR: #666; TEXT-DECORATION: underline
}
SPAN.green A:hover {
	COLOR: #666; TEXT-DECORATION: underline
}
STRONG.red {
	FONT-SIZE: 12px; COLOR: #c03
}
STRONG.red A:link {
	COLOR: #c03; TEXT-DECORATION: none
}
STRONG.red A:visited {
	COLOR: #c03; TEXT-DECORATION: none
}
STRONG.red A:active {
	COLOR: #c03; TEXT-DECORATION: underline
}
STRONG.red A:hover {
	COLOR: #c03; TEXT-DECORATION: underline
}
.leftorright {
	FLOAT: left
}
#foot {
	CLEAR: both; PADDING-RIGHT: 0px; BORDER-TOP: #cfcfcf 1px solid; =
PADDING-LEFT: 0px; PADDING-BOTTOM: 20px; MARGIN: 0px auto; WIDTH: 950px; =
PADDING-TOP: 5px; TEXT-ALIGN: center
}
#foot LI {
	LINE-HEIGHT: 22px
}
#foot A {
	MARGIN: 0px 3px; TEXT-DECORATION: underline
}
#foot IMG {
	MARGIN: 3px auto
}
.daohan {
	BORDER-RIGHT: #c8d6dd 1px solid; PADDING-RIGHT: 0px; BORDER-TOP: =
#c8d6dd 1px solid; PADDING-LEFT: 8px; PADDING-BOTTOM: 8px; BORDER-LEFT: =
#c8d6dd 1px solid; WIDTH: 942px; PADDING-TOP: 8px; BORDER-BOTTOM: =
#c8d6dd 1px solid; BACKGROUND-COLOR: #f9f9f9; TEXT-ALIGN: left
}
.daohanb {
	BORDER-RIGHT: #c8d6dd 1px solid; PADDING-RIGHT: 0px; BORDER-TOP: =
#c8d6dd 1px solid; PADDING-LEFT: 8px; PADDING-BOTTOM: 8px; BORDER-LEFT: =
#c8d6dd 1px solid; WIDTH: 942px; PADDING-TOP: 8px; BORDER-BOTTOM: =
#c8d6dd 1px solid; BACKGROUND-COLOR: #f9f9f9; TEXT-ALIGN: left
}
.daohan1 {
	FLOAT: left; WIDTH: 32px; LINE-HEIGHT: 150%
}
.daohan2 {
	PADDING-RIGHT: 0px; PADDING-LEFT: 8px; FLOAT: left; PADDING-BOTTOM: =
0px; WIDTH: 32px; LINE-HEIGHT: 150%; PADDING-TOP: 0px
}
.daohan11 {
	FLOAT: left; WIDTH: 330px; LINE-HEIGHT: 150%
}
.daohan21 {
	FLOAT: left; WIDTH: 330px; LINE-HEIGHT: 150%
}
.daohan22 {
	FLOAT: left; WIDTH: 130px; LINE-HEIGHT: 150%
}
.daohanb {
	BORDER-RIGHT: #c8d6dd 1px solid; PADDING-RIGHT: 0px; PADDING-LEFT: 8px; =
PADDING-BOTTOM: 8px; BORDER-LEFT: #c8d6dd 1px solid; WIDTH: 942px; =
PADDING-TOP: 8px; BORDER-BOTTOM: #c8d6dd 1px solid; TEXT-ALIGN: left
}
.daohanb1 {
	PADDING-RIGHT: 2px; PADDING-LEFT: 2px; PADDING-BOTTOM: 8px; =
PADDING-TOP: 2px
}
.companydaohan {
	PADDING-RIGHT: 0px; PADDING-LEFT: 8px; PADDING-BOTTOM: 4px; WIDTH: =
942px; PADDING-TOP: 10px; BORDER-BOTTOM: #c8d6dd 1px solid; =
BACKGROUND-COLOR: #f9f9f9; TEXT-ALIGN: left
}
.cRed {
	COLOR: red
}
A.cRed:link {
	COLOR: red
}
A.cRed:visited {
	COLOR: red
}
.endPageNum {
	CLEAR: both; PADDING-RIGHT: 12px; PADDING-LEFT: 12px; PADDING-BOTTOM: =
6px; PADDING-TOP: 10px
}
.endPageNum .s2 {
	BORDER-RIGHT: #ccc 1px solid; BORDER-TOP: #ccc 1px solid; FONT-WEIGHT: =
bold; BACKGROUND: #1f3a87; BORDER-LEFT: #ccc 1px solid; COLOR: #fff; =
BORDER-BOTTOM: #ccc 1px solid
}
.endPageNum A.s2:visited {
	COLOR: #fff
}
.endPageNum A {
	BORDER-RIGHT: #ccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #ccc 1px =
solid; PADDING-LEFT: 5px; BACKGROUND: #fff; FLOAT: left; PADDING-BOTTOM: =
0px; MARGIN: 5px 4px 0px 0px; BORDER-LEFT: #ccc 1px solid; COLOR: =
#1f3a87; PADDING-TOP: 4px; BORDER-BOTTOM: #ccc 1px solid
}
.endPageNum A:visited {
	COLOR: #1f3a87
}
.endPageNum A:hover {
	BORDER-RIGHT: #1f3a87 1px solid; BORDER-TOP: #1f3a87 1px solid; =
BACKGROUND: #1f3a87; FLOAT: left; BORDER-LEFT: #1f3a87 1px solid; COLOR: =
#fff; BORDER-BOTTOM: #1f3a87 1px solid
}

------=_NextPart_000_018E_01C9AC7D.5F2E5050
Content-Type: text/css;
	charset="gb2312"
Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.qmvip.com/css/top.css

#Head {
	BACKGROUND: url(../images/head_bg.gif) repeat-x left top; WIDTH: 950px
}
#Head .narrow {
	MARGIN: 0px auto; WIDTH: 940px; HEIGHT: 65px
}
#HelpMenu {
	FLOAT: right; WIDTH: 530px; TEXT-ALIGN: left
}
#HelpMenu .sysInfo {
	MARGIN-RIGHT: 3px; PADDING-TOP: 8px; TEXT-ALIGN: right
}
#HelpMenu .sysInfo IMG {
	MARGIN: 0px 3px -3px 0px; TEXT-DECORATION: none
}
#HelpMenu .sysInfo A {
	COLOR: #333
}
#HelpMenu .sysInfo A:hover {
	BACKGROUND: none transparent scroll repeat 0% 0%; COLOR: #db2c30
}
#Logo {
	PADDING-RIGHT: 0px; DISPLAY: inline; PADDING-LEFT: 0px; Z-INDEX: 100; =
FLOAT: left; PADDING-BOTTOM: 0px; MARGIN: 7px auto 0px 26px; WIDTH: =
119px; PADDING-TOP: 0px; HEIGHT: 46px
}
#Logo IMG {
	DISPLAY: block; WIDTH: 119px; HEIGHT: 46px
}
#Logo A:hover IMG {
	BACKGROUND: url(../images/head_bg.gif) #fff repeat-x 0px -7px
}
#dest {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px =
0px 0px 164px; WIDTH: 170px; PADDING-TOP: 10px
}
* + HTML #dest {
	LEFT: -40px; POSITION: relative
}
* HTML #dest {
	LEFT: -40px; POSITION: relative
}
#HelpMenu P {
	MARGIN: 8px 0px 0px
}
#HelpMenu .search {
	MARGIN: 9px 0px 0px; BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; TEXT-ALIGN: right; BORDER-BOTTOM-STYLE: none
}
#Bottom .search {
	MARGIN: 9px 0px 0px; BORDER-TOP-STYLE: none; BORDER-RIGHT-STYLE: none; =
BORDER-LEFT-STYLE: none; TEXT-ALIGN: right; BORDER-BOTTOM-STYLE: none
}
.search #Search_type {
	MARGIN-RIGHT: -2px
}
.search #q {
	PADDING-RIGHT: 0px! important; PADDING-LEFT: 20px! important; =
BACKGROUND: url(../images/sousou.gif) #fffce9 no-repeat 0px -1px; =
PADDING-BOTTOM: 0px! important; MARGIN: 0px 0px 1px; WIDTH: 318px; =
LINE-HEIGHT: 18px; PADDING-TOP: 1px! important; HEIGHT: 18px
}
.search .searchIn {
	BORDER-RIGHT: #06c 1px solid; BORDER-TOP: #06c 1px solid; BORDER-LEFT: =
#06c 1px solid; BORDER-BOTTOM: #06c 1px solid
}
.search .searchOut {
	BORDER-RIGHT: #666 1px solid; BORDER-TOP: #666 1px solid; BORDER-LEFT: =
#666 1px solid; BORDER-BOTTOM: #666 1px solid
}
.search #Search_btn {
	BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: =
0px; MARGIN: 0px -2px 1px 0px; WIDTH: 72px; HEIGHT: 22px; =
BORDER-RIGHT-WIDTH: 0px
}
.search #Search_btn2 {
	BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: =
0px; MARGIN: 0px -2px 1px 0px; WIDTH: 72px; HEIGHT: 22px; =
BORDER-RIGHT-WIDTH: 0px
}
.search .SearchOut {
	BACKGROUND: url(../images/btn_search2.gif) no-repeat 0px 0px; CURSOR: =
pointer
}
.search .SearchOvr {
	BACKGROUND: url(../images/btn_search2.gif) no-repeat 0px -22px; CURSOR: =
pointer
}
.search #loveVideo_btn {
	BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; BACKGROUND: =
url(../images/btn_likevideo2.gif) no-repeat 0px 0px; =
BORDER-BOTTOM-WIDTH: 0px; MARGIN: 0px -2px 1px 0px; WIDTH: 24px; CURSOR: =
pointer; HEIGHT: 22px; BORDER-RIGHT-WIDTH: 0px
}
.search SPAN {
	PADDING-RIGHT: 4px; PADDING-LEFT: 2px; PADDING-BOTTOM: 0px; =
PADDING-TOP: 0px
}
.search SPAN A {
	COLOR: #0066ff
}
#HelpMenu .search {
	Z-INDEX: 50; POSITION: relative
}
#MainMenu {
	BACKGROUND: url(../images/menu_l1_bg.gif) repeat-x; WIDTH: 100%; =
HEIGHT: 36px
}
#MainMenu .TabMenu {
	BACKGROUND: none transparent scroll repeat 0% 0%; MARGIN: 0px auto; =
WIDTH: 940px; HEIGHT: 28px
}
#MainMenu .TabMenu UL#M1 {