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 <p><p><br /></p><p style="padding:0px;font-family:tahoma, arial, 宋体, sans-serif;font-size:14px;white-space:normal;background-color:#ffffff;line-height:19px;margin-top:16px;margin-bottom:16px;"><span style="color:#ff0000;font-size:18px;font-family:宋体;background-color:#f7f7f7">&nbsp;&nbsp;<span style="color:#ff0000">需要时请联系我，</span><span style="color:#ff0000;font-family:&＃39;times new roman&＃39;">&nbsp;</span><span style="color:#ff0000">邹小姐&nbsp;或者</span><span style="color:#ff0000;font-family:&＃39;times new roman&＃39;"></span><span style="color:#ff0000">在线咨询：</span><span style="color:#ff0000;font-family:&＃39;times new roman&＃39;">&nbsp;</span><span style="color:#ff0000">！</span></span></p><p style="padding:0px;font-family:tahoma, arial, 宋体, sans-serif;font-size:14px;white-space:normal;background-color:#ffffff;line-height:19px;margin-top:16px;margin-bottom:16px;"><span style="color:#ff0000;font-size:18px;font-family:宋体;background-color:#f7f7f7">&nbsp;&nbsp;SH79F084A</span><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">是一种高速高效率8051可兼容单片机。在同样振荡频率下，较之传统的8051芯片它有着运行更快速的优越特性。</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;&nbsp;SH79F084A保留了标准8051芯片的大部分特性。这些特性包括内置256字节RAM和2个16位定时器/计数器，1个UART和外置中断INT0，INT1，INT2。此外，SH79F084A还集成了256字节外部RAM，可兼容8052芯片的16位定时器/计数器（Timer2）。该单片机还包括适合于程序和数据的8K字节Flash块。</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;&nbsp;SH79F084A不仅集成了EUART标准通讯模块，此外还集成了具有内建比较功能的ADC，PWM定时器等模块。</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;&nbsp;为了达到高可靠性和低功耗，SH79F084A内建看门狗定时器，低电压复位功能和低电压检测功能。此外SH79F084A还提供了2种低功耗省电模式。</span></p><p style="padding:0px;font-family:tahoma, arial, 宋体, sans-serif;font-size:14px;white-space:normal;background-color:#ffffff;line-height:19px;margin-top:16px;margin-bottom:16px;"><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;">&nbsp;</span><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">基于8051兼容流水指令的8位单片机</span></p><p style="padding:0px;font-family:tahoma, arial, 宋体, sans-serif;font-size:14px;white-space:normal;background-color:#ffffff;line-height:19px;margin-top:16px;margin-bottom:16px;"><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;Flash&nbsp;ROM：8K字节</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;RAM：内部256字节，外部256字节</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;片上512字节类EEPROM存储空间</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;工作电压：</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;fOSC&nbsp;=&nbsp;30kHz&nbsp;-&nbsp;16.6MHz，VDD&nbsp;=&nbsp;2.8V&nbsp;-&nbsp;5.5V</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;振荡器（代码选项）：</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;晶体谐振器：32.768kHz</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;晶体谐振器：400kHz&nbsp;-&nbsp;16.6MHz，或陶瓷谐振器：2MHz&nbsp;-&nbsp;16.6MHz</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;陶瓷谐振器：400kHz&nbsp;-&nbsp;2MHz</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;内部振荡器：16.6MHz&nbsp;(±2%)</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;外部时钟源：30kHz&nbsp;-&nbsp;16.6MHz</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;14个CMOS双向I/O管脚（四种端口模式）</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;5个大电流驱动口</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;3个16位定时器/计数器T0，T1，T2</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;中断源：</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;定时器0，1，2</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;外部中断0，1，2</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;ADC，EUART，SCM，PWM，&nbsp;LPD</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;1个8位PWM定时器</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;1个EUART</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;内建低电压检测功能（LPD）</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;6通道10位模数转换器（ADC），内建比较功能</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;内建低电压复位功能（LVR）（代码选项）</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;LVR电压1：4.1V</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;LVR电压2：3.7V</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;LVR电压3：2.8V</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;CPU机器周期：1个振荡周期</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;看门狗定时器（WDT）</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;预热计数器</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;振荡器失效检测功能（SCM）</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;支持省电运作模式：</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;IDLE模式</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">&nbsp;&nbsp;&nbsp;-&nbsp;掉电模式</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;低功耗</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;Flash型</span><br /><span style="color:#;font-size:14px;font-family:&＃39;microsoft yahei&＃39;;background-color:#f7f7f7">■&nbsp;封装：16脚SOP封装</span></p><p style="padding:0px;font-family:tahoma, arial, 宋体, sans-serif;font-size:14px;white-space:normal;background-color:#ffffff;line-height:19px;margin-top:0px;margin-bottom:0px;"><span style="font-size:14px;font-family:宋体">&nbsp;&nbsp;</span></p><p><br /></p>