Download ATmega644PA Datasheet PDF
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ATmega644PA Description

ATmega164A/PA/324A/PA/644A/PA/1284/P Introduction megaAVR® Data Sheet The ATmega164A/PA/324A/PA/644A/PA/1284/P is a low power, CMOS 8-bit microcontrollers based on the AVR® enhanced RISC architecture. By executing instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption...

ATmega644PA Key Features

  • High-performance, low-power 8-bit AVR® Microcontroller
  • Advanced RISC architecture
  • 131 powerful Instructions
  • most single-clock cycle execution
  • 32 × 8 general purpose working registers
  • Fully static operation
  • Up to 20MIPS throughput at 20MHz
  • On-chip 2-cycle multiplier
  • High endurance non-volatile memory segments
  • 16/32/64/128KBytes of In-System Self-programmable Flash program memory