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用MC68HC705J1A驱动HC05微控制器LED的应用(
消耗积分:5 |
格式:rar |
大小:26 |
2009-06-19
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This application note demonstrates how the high-current sink pins of an MC68HC705J1A drive a lightemitting diode (LED) directly without requiring an external amplifying transistor.
The math used to determine the current-limiting resistor value is valid for any HC05 MCU port pin regardless of the pin’s output low current (IOL) rating. Only the maximum IOL specification need be changed in the equations
The math used to determine the current-limiting resistor value is valid for any HC05 MCU port pin regardless of the pin’s output low current (IOL) rating. Only the maximum IOL specification need be changed in the equations
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