| style="text-align: left; vertical-align: top;" rowspan=5 | {{{oneWire|One of the implemented features on {{{model|FMB640}}} is 1-Wire® data protocol, which enables connection to devices such as thermometer (DS1820, DS18S20 and DS18B20) and I-Button DS1990A. }}} | | style="text-align: left; vertical-align: top;" rowspan=5 | {{{oneWire|One of the implemented features on {{{model|FMB640}}} is 1-Wire® data protocol, which enables connection to devices such as thermometer (DS1820, DS18S20 and DS18B20) and I-Button DS1990A. }}} |