Technical
Core Architecture8051
Data Bus Width8 b
InterfaceI2C, SMBus, SPI, UART, USART, USB
Max Frequency48 MHz
Max Operating Temperature85 °C
Max Supply Voltage5.25 V
Memory Size32 kB
Memory TypeEEPROM, EPROM, OTP
Min Operating Temperature-40 °C
Min Supply Voltage1.8 V
Number of ADC Channels1
Number of I/Os24
Number of Programmable I/O24
Number of Timers/Counters4
Oscillator TypeInternal
PeripheralsPOR, PWM, Temp Sensor, WDT
RAM Size3.3 kB
Watchdog TimerYes