Nonvolatile memory (kByte)32RAM (kByte)1ADC type12-bit SARNumber of ADC channels14Number of GPIOs33FeaturesAES, DMA, Real-time clockUART2USBNoNumber of I2Cs1SPI3Number of comparator channels16Timers - 16-bit5Bootloader (BSL)I2COperating temperature range (°C)-40 to 85RatingCatalog