Technical
Core ArchitectureAVR
Data Bus Width8 b
Frequency20 MHz
HS Code8542.31.0015
InterfaceI2C, SPI, UART, USART
Max Frequency20 MHz
Max Operating Temperature85 °C
Max Supply Voltage5.5 V
Memory Size128 kB
Memory TypeFLASH
Manufacturer Package Identifier40P6 (REV B)
Min Operating Temperature-40 °C
Min Supply Voltage1.8 V
Min Supply Voltage (DC)1.8 V
Number of ADC Channels8
Number of I2C Channels1
Number of I/Os32
Number of Programmable I/O32
Number of PWM Channels6
Number of SPI Channels1
Number of Timers/Counters3
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size16 kB
Watchdog TimerYes