Technical
Core ArchitectureARM
Data Bus Width32 b
Frequency64 MHz
HS Code8542.31.0025
Interface2-Wire, I2C, I2S, IrDA, RS-485, SMBus, SPI, UART, USART, USB
Max Frequency64 MHz
Max Operating Temperature85 °C
Max Supply Voltage3.6 V
Memory Size512 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage1.62 V
Number of A/D Converters1
Number of ADC Channels16
Number of I2C Channels2
Number of I/Os79
Number of Programmable I/O79
Number of PWM Channels4
Number of SPI Channels3
Number of Timers/Counters6
Number of UART Channels4
Number of USB Channels1
Operating Supply Voltage3.3 V
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
RAM Size64 kB
Schedule B8542310000
Watchdog TimerYes