怎样检测微电脑电饭锅单片微电脑控制集成电路TMP87P809N?
TMP87P809N是一块8位单片微电脑控制集成电路,内含256Byte(字节)R()M、8K Byte R()M、22个I/()(输入/输出)接口、2个16位多功能定时器、4路8位A/D(模拟/数字)转换器等电路。采用28脚双列塑料封装方式,其各引脚功能说明与相关数据见表32 -4。可以依据表32 -4采用万用表对该集成电路进行检测。
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![](http://www.591dg.com/uploads/allimg/170215/19-1F215161632609.png)
![](http://www.591dg.com/uploads/allimg/170215/19-1F215161A2611.png)
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![](http://www.591dg.com/uploads/allimg/170215/19-1F215161G6418.png)
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