Nonvolatile memory (kByte)0.5RAM (kByte)0.125Number of ADC channels0Number of GPIOs10FeaturesReal-time clock, Spy-bi-wire, Watchdog timerUART0USBNoNumber of I2Cs0SPI0Number of comparator channels0Timers - 16-bit1Bootloader (BSL)NoneOperating temperature range (°C)-40 to 85RatingCatalog