AVR RISC Microcontroller AVR 20MHz 64KB / 4KB PDIP-40 Flash 64KB PDIP 20MHz

Microcontroller, Type=ATMEGA644P-20PU, ADC Channels=8, Clock Frequency Max.=20 MHz, DAC Resolution=10 bit, Data Bus Width=8 bit, Data Memory Size=2 KB, Height=4.8 mm, Length=52.57 mm, Number of Programmable I/Os=32, Number of Timers/Counters=3, Operating Temperature Max.=85 °C, Operating Temperature Min.=-40 °C, Pins=40, Program Memory Size=64 KB, RAM Memory Size=4 KB, Supply Voltage Max.=5.5 V, Supply Voltage Min.=2.7 V, Width=15.24 mm, Device Core=AVR, Family Name=ATmega644P, Instruction Set Architecture=RISC, Interfaces=2x UART 3x SPI 1x I²C, Mounting Type=Through Hole, Package Type=PDIP, Packaging=Tube, Program Memory Type=Flash