Technical
Core ArchitectureAVR
Data Bus Width8 b
Frequency20 MHz
HS Code8542.31.0015
Interface2-Wire, I2C, SPI, UART, USART
Max Frequency20 MHz
Max Junction Temperature (Tj)125 °C
Max Operating Temperature125 °C
Max Supply Voltage5.5 V
Memory Size32 kB
Memory TypeEEPROM, FLASH, SRAM
Min Operating Temperature-55 °C
Min Supply Voltage1.8 V
Number of A/D Converters1
Number of ADC Channels8
Number of I2C Channels2
Number of I/Os27
Number of Programmable I/O27
Number of PWM Channels10
Number of SPI Channels2
Number of Timers/Counters5
Number of UART Channels2
Operating Supply Voltage5 V
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size2 kB
Schedule B8542310000
Watchdog TimerYes