RoHS: yes. Component family: microcontroller. Housing: PCB soldering (SMD). Housing: TQFP44. Configuration: surface-mounted component (SMD). Number of terminals: 44. MCU circuit family: ATMEL AVR. Maximum CPU clock frequency: 12 MHz/32 MHz. Number of I/O: 34. Program storage memory: 128 KByte. Program storage memory type: 'FLASH' memory. Storage memory capacity: 8 KByte/2 KByte. Storage memory type: SRAM/EEPROM. Digital peripheral circuits: WDT, RTC, PWM, DMA, AES/DES,CRC. Digital interface circuits: USART, SPI, TWI, USB 2.0. Analog peripheral circuits: ADC, Comparator. MCU type: 8-bit microcontroller. Operating temperature range min (°C): -40°C. Operating temperature range max (°C): +85°C. Minimum supply voltage (V): +1.6V. Maximum supply voltage (V): +3.6V