Attribute Parameter Value Product Catalog Microcontroller (MCU/MPU/SOC) CPU Core ARM Cortex-M3 Max CPU Frequency 120MHz CPU Bit Width 32 Bit Program Storage Capacity 512KB Program Memory Type FLASH RAM Capacity 96KB EEPROM Capacity 4KB Attribute Parameter Value I/O Count 165 ADC (Bit Width) 12bit DAC (Bit Width) 10bit Oscillator Type Built-in Operating Voltage 2.4V~3.6V Operating Temperature -40℃~+85℃ Functional Features Window Watchdog (WWDG); Brown-out Reset (BOR/LVD/LVR/LVI); Calendar Function; Power-On Reset (POR); Built-in General-Purpose Timers; Hardware CRC