Technical
Ambient Temperature Range High85 °C
Core ArchitectureARM
Data Bus Width32 b
Frequency55 MHz
HS Code8542.31.0025
Interface2-Wire, I2C, I2S, IrDA, SPI, UART, USART, USB
Max Frequency20 MHz
Max Operating Temperature85 °C
Max Supply Voltage3.6 V
Memory Size128 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage1.65 V
Number of A/D Converters1
Number of ADC Channels8
Number of I2C Channels3
Number of I/Os32
Number of PWM Channels4
Number of SPI Channels1
Number of Timers/Counters3
Number of UART Channels2
Number of USB Channels1
Operating Supply Voltage3.3 V
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
RAM Size32 kB
Schedule B8542310000