Technical
Core ArchitectureARM
Data Bus Width32 b
Density256 kb
Frequency55 MHz
InterfaceEBI/EMI, I2C, SPI, UART, USART, USB
Max Frequency55 MHz
Max Operating Temperature85 °C
Max Supply Voltage3.6 V
Memory Size32 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage1.65 V
Number of ADC Channels8
Number of Bits32
Number of I2C Channels1
Number of I/Os88
Number of Programmable I/O88
Number of PWM Channels4
Number of SPI Channels1
Number of Timers/Counters3
Number of UART Channels1
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size8 kB
TerminationSMD/SMT
Watchdog TimerYes