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ATmega644A DataSheet

No. Part # Manufacturer Description Datasheet
1
ATmega644A

ATMEL Corporation
8-bit Atmel Microcontroller

 High-performance, low-power 8-bit Atmel® 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
Datasheet
2
ATmega644A

Microchip
CMOS 8-bit microcontrollers

 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 20
Datasheet


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