EEPW-ARM Cortex M3 DIY资料系列之——外围芯片-DS18B20.pdf

EEPW-ARMCortexM3DIY资料系列之——外围芯片-DS18B20.pdfDS18B20ProgrammableResolution1-WireDigitalThermometerDESCRIPTIONUser-DefinableNonvolatile(NV)AlarmTheDS18B20digitalthermometerprovides9-bitSettingsto12-bitCelsiustemperaturemeasurementsandAlarmSearchCommandIdentifiesandhasanalarmfunctionwithnonvolatileuser-AddressesDevicesWhoseTemperatureisprogrammableupperandlowertriggerpoints.OutsideProgrammedLimits(TemperatureTheDS18B20communicatesovera1-Wirebus