ATMEGA644-20AUR
MCU 8-bit AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP T/R

From MICROCHIP TECHNOLOGY

# I/Os (Max)32
ADC Resolution10
Clock Freq20(MHz)
Cpu FamilyATmega
Device CoreAVR
Device Core Size8(b)
Frequency20(MHz)
Instruction Set Architecture RISC
Interface TypeSPI/USART
MountingSurface Mount
Number of Timers - General Purpose3
On-Chip ADC8
Operating Supply Voltage (Max)5.5(V)
Operating Supply Voltage (Min)2.7(V)
Operating Supply Voltage (Typ)3.3/5(V)
Operating Temp Range-40C to 85C
Operating Temperature (Max)85C
Operating Temperature (Min)-40C
Operating Temperature ClassificationIndustrial
Package TypeTQFP
PackagingTape and Reel
Pin Count44
Program Memory Size64KB(kB)
Program Memory TypeFlash
ProgrammableYes
Rad HardenedNo
Total Internal Ram Size4KB(kB)

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