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Interfacing the DS18X20/DS1822

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  • 标      签: Interfacin

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INTRODUCTIONThere are several methods available for interfacing 1-WireTM devices such as the DS18B20, DS18S20 orDS1822 to a microcontroller. These methods rangefrom simple software soluTIons, to using a SerialInterface chip such as the DS2480B, to incorporaTIngDallas Semiconductor’s VHDL 1-Wire TM MasterController in a custom ASIC. This arTIcle introducesthe user tothesimplest possible software solution forbasic 1-WireTMcommunicationbetweenamicrocontroller and any number of DS18x20 orDS1822 temperature sensors.
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