📄 单片机初学者网站.htm
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<P> </P></TD></TR>
<TR>
<TD width="100%" height=18><B>一、概述</B>
<P><SPAN lang=EN-US> 带中文字库的128X64是一种</SPAN>具有<SPAN
lang=EN-US>4</SPAN>位<SPAN lang=EN-US>/8</SPAN>位并行、<SPAN
lang=EN-US>2</SPAN>线或<SPAN
lang=EN-US>3</SPAN>线串行多种接口方式，内部含有国标一级、二级简体中文字库的点阵图形液晶显示模块；其显示分辨率为<SPAN
lang=EN-US>128×64,
内置8192个16*16点汉字，和128个16*8点ASCII字符集.</SPAN>利用该模块灵活的接口方式和简单、方便的操作指令，可构成全中文人机交互图形界面。可以显示<SPAN
lang=EN-US>8×4行16×16点阵的汉字.
也可完成图形显示.低电压低功耗是其又一显著特点。由该模块构成的液晶显示方案与同类型的图形点阵液晶显示模块相比，不论硬件电路结构或显示程序都要简洁得多，且该模块的价格也略低于相同点阵的图形液晶模块。</SPAN></P>
<P>基本特性<SPAN lang=EN-US>:</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>低电源电压（<SPAN lang=EN-US>VDD:+3.0--+5.5V）</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>显示分辨率<SPAN lang=EN-US>:128×64点</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>内置汉字字库，提供<SPAN lang=EN-US>8192个16×16点阵汉字(简繁体可选)</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>内置<SPAN lang=EN-US> 128个16×8点阵字符</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN>2MHZ时钟频率</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>显示方式：<SPAN lang=EN-US>STN、半透、正显</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>驱动方式：<SPAN lang=EN-US>1/32DUTY，1/5BIAS</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>视角方向：<SPAN lang=EN-US>6点</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>背光方式：侧部高亮白色<SPAN
lang=EN-US>LED，功耗仅为普通LED的1/5—1/10</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>通讯方式：串行、并口可选</P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>内置<SPAN lang=EN-US>DC-DC转换电路，无需外加负压</SPAN></P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>无需片选信号，简化软件设计</P>
<P><SPAN lang=EN-US>l<SPAN
style="FONT-WEIGHT: normal; FONT-STYLE: normal; FONT-VARIANT: normal">
</SPAN></SPAN>工作温度<SPAN lang=EN-US>: 0℃ - +55℃ ,存储温度: -20℃ -
+60℃ </SPAN></P>
<P> </P>
<P style="LINE-HEIGHT: 14pt"><B>模块接口说明</B></P>
<P style="LINE-HEIGHT: 14pt"><IMG height=353
src="单片机初学者网站.files/12800.jpg" width=568 border=0></P>
<P class=MsoCommentText style="LINE-HEIGHT: 12pt"> </P>
<P class=MsoCommentText style="LINE-HEIGHT: 12pt"><BR><SPAN
lang=EN-US>*注释1：如在实际应用中仅使用串口通讯模式，可将PSB接固定低电平，也可以将模块上的J8和“GND”用焊锡短接。</SPAN></P>
<P style="LINE-HEIGHT: 12pt"><SPAN
lang=EN-US>*注释2：模块内部接有上电复位电路，因此在不需要经常复位的场合可将该端悬空。</SPAN></P>
<P style="LINE-HEIGHT: 12pt"><SPAN
lang=EN-US>*注释3：如背光和模块共用一个电源，可以将模块上的JA、JK用焊锡短接。</SPAN></P>
<P style="LINE-HEIGHT: 12pt"><SPAN lang=EN-US>2.2并行接口</SPAN></P>
<TABLE cellSpacing=0 cellPadding=0 width=607 border=0>
<TBODY>
<TR>
<TD class=Normal vAlign=top width=64>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center"
align=center>管脚号</P></TD>
<TD class=Normal vAlign=top width=72>
<P style="LINE-HEIGHT: 17pt">管脚名称</P></TD>
<TD class=Normal vAlign=top width=80>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center"
align=center>电平</P></TD>
<TD class=Normal vAlign=top width=391>
<P style="LINE-HEIGHT: 17pt">管脚功能描述</P></TD></TR>
<TR>
<TD class=Normal vAlign=top width=64>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>1</SPAN></P></TD>
<TD class=Normal vAlign=top width=72>
<P style="LINE-HEIGHT: 17pt"><SPAN lang=EN-US>VSS</SPAN></P></TD>
<TD class=Normal vAlign=top width=80>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>0V</SPAN></P></TD>
<TD class=Normal vAlign=top width=391>
<P style="LINE-HEIGHT: 17pt">电源地</P></TD></TR>
<TR>
<TD class=Normal vAlign=top width=64>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>2</SPAN></P></TD>
<TD class=Normal vAlign=top width=72>
<P style="LINE-HEIGHT: 17pt"><SPAN lang=EN-US>VCC</SPAN></P></TD>
<TD class=Normal vAlign=top width=80>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>3.0+5V</SPAN></P></TD>
<TD class=Normal vAlign=top width=391>
<P style="LINE-HEIGHT: 17pt">电源正</P></TD></TR>
<TR>
<TD class=Normal vAlign=top width=64>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>3</SPAN></P></TD>
<TD class=Normal vAlign=top width=72>
<P style="LINE-HEIGHT: 17pt"><SPAN lang=EN-US>V0</SPAN></P></TD>
<TD class=Normal vAlign=top width=80>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>-</SPAN></P></TD>
<TD class=Normal vAlign=top width=391>
<P style="LINE-HEIGHT: 17pt">对比度（亮度）调整</P></TD></TR>
<TR>
<TD class=Normal vAlign=top width=64>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>4</SPAN></P></TD>
<TD class=Normal width=72>
<P style="LINE-HEIGHT: 17pt"><SPAN lang=EN-US>RS(CS）</SPAN></P></TD>
<TD class=Normal width=80>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>H/L</SPAN></P></TD>
<TD class=Normal vAlign=top width=391>
<P style="LINE-HEIGHT: 17pt"><SPAN
lang=EN-US>RS=“H”,表示DB7——DB0为显示数据</SPAN></P>
<P style="LINE-HEIGHT: 17pt"><SPAN
lang=EN-US>RS=“L”,表示DB7——DB0为显示指令数据</SPAN></P></TD></TR>
<TR>
<TD class=Normal vAlign=top width=64>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>5</SPAN></P></TD>
<TD class=Normal width=72>
<P style="LINE-HEIGHT: 17pt"><SPAN lang=EN-US>R/W(SID)</SPAN></P></TD>
<TD class=Normal width=80>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>H/L</SPAN></P></TD>
<TD class=Normal vAlign=top width=391>
<P style="LINE-HEIGHT: 17pt"><SPAN
lang=EN-US>R/W=“H”,E=“H”,数据被读到DB7——DB0</SPAN></P>
<P style="LINE-HEIGHT: 17pt"><SPAN lang=EN-US>R/W=“L”,E=“H→L”,
DB7——DB0的数据被写到IR或DR</SPAN></P></TD></TR>
<TR>
<TD class=Normal width=64>
<P style="LINE-HEIGHT: 17pt; TEXT-ALIGN: center" align=center><SPAN
lang=EN-US>6</SPAN></P></TD>
<TD class=Normal vAlign=top width=72>
<P style="LINE-HEIGHT: 17pt"><SPAN lang=EN-US>E(SCLK)</SPAN></P></TD>
<TD class=Normal vAlign=top width=80>
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