Technical
Address Bus Width32 b
Core ArchitectureARM
Data Bus Width32 b
Frequency48 MHz
InterfaceI2C, IrDA, SPI, UART, USART
Max Frequency48 MHz
Max Operating Temperature85 °C
Max Supply Voltage3.6 V
Memory Size256 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage1.62 V
Number of ADC Channels8
Number of I2C Channels2
Number of I/Os34
Number of Programmable I/O34
Number of PWM Channels4
Number of SPI Channels1
Number of Timers/Counters18
Number of UART Channels2
Operating Supply Voltage1.8 V
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
RAM Size24 kB
Watchdog TimerYes