ATMEGA644P-20MU

Technical Details

• Series:AVR® ATmega
• Package:Tray
• Part Status:Active
• Core Processor:AVR
• Core Size:8-Bit
• Speed:20MHz
• Connectivity:I²C, SPI, UART/USART
• Peripherals:Brown-out Detect/Reset, POR, PWM, WDT
• Number of I/O:32
• Program Memory Size:64KB (32K x 16)

• Program Memory Type:FLASH
• EEPROM Size:2K x 8
• RAM Size:4K x 8
• Voltage - Supply (Vcc/Vdd):2.7V ~ 5.5V
• Data Converters:A/D 8x10b
• Oscillator Type:Internal
• Operating Temperature:-40°C ~ 85°C (TA)
• Mounting Type:Surface Mount
• Package / Case:44-VFQFN Exposed Pad
• Supplier Device Package:44-VQFN (7x7)