Nonvolatile memory (kByte)1RAM (kByte)0.125ADC type10-bit SARNumber of ADC channels8Number of GPIOs10FeaturesBrown out detector, Real-time clock, Sigma deltaUART0USBNoNumber of I2Cs1SPI1Number of comparator channels0Timers - 16-bit1Bootloader (BSL)UARTOperating temperature range (°C)-40 to 105RatingCatalog