Technical
Ambient Temperature Range High50 °C
Core ArchitectureARM
Data Bus Width32 b
Frequency16 MHz
InterfaceI2C, SPI, UART, USB
Max Frequency16 MHz
Max Junction Temperature (Tj)75 °C
Max Operating Temperature50 °C
Max Supply Voltage3.6 V
Memory Size256 kB
Memory TypeFLASH
Min Operating Temperature0 °C
Min Supply Voltage1.8 V
Number of A/D Converters2
Number of I2C Channels2
Number of I/Os90
Number of Programmable I/O8
Number of PWM Channels4
Number of SPI Channels2
Number of Timers/Counters4
Number of UART Channels2
Number of USB Channels1
Operating Supply Voltage3.3 V
Oscillator TypeInternal
PackagingTape & Reel
PeripheralsBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
RAM Size48 kB
Temperature GradeCommercial
Watchdog TimerYes