Technical
Core ArchitectureARM
Data Bus Width32 b
Frequency50 MHz
InterfaceI2C, IrDA, SPI, UART, USART, USB
Max Frequency50 MHz
Max Operating Temperature85 °C
Max Supply Voltage3.6 V
Memory Size128 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage3 V
Number of A/D Converters1
Number of ADC Channels1
Number of Bits10
Number of I/Os61
Number of Programmable I/O61
Number of Timers/Counters6
Number of UART Channels3
Operating Supply Voltage3.3 V
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
RAM Size64 kB
Watchdog TimerYes