Technical
Core ArchitectureARM
Data Bus Width32 b
EEPROM Memory Size2 kB
Flash Memory Size32 kB
Frequency32 MHz
InterfaceI2C, I2S, IrDA, SPI, UART, USART
Max Frequency32 MHz
Max Operating Temperature85 °C
Max Power Dissipation351 mW
Max Supply Voltage3.6 V
Memory Size32 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage1.65 V
Nominal Supply Current290 nA
Number of ADC Channels10
Number of Channels10
Number of GPIO27
Number of I2C Channels1
Number of I/Os27
Number of Programmable I/O27
Number of SPI Channels1
Number of Timers/Counters4
Number of USART Channels2
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
RAM Size8 kB
Schedule B8542310000
Watchdog TimerYes