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ATmega1284 Datasheet PDF
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8-bit AVR Microcontrollers
The Atmel® ATmega1284 is a low-power CMOS 8-bit microcontroller based
on the AVR® enhanced RISC architecture. By executing powerful
instructions in a single clock cycle, the ATmega1284 achieves throughputs
close to 1MIPS per MHz. This empowers system designer to optimize the
device for power consumption versus processing speed.
High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family
Advanced RISC Architecture
131 Powerful Instructions
Most Single Clock Cycle Execution
32 x 8 General Purpose Working Registers
Fully Static Operation
Up to 20 MIPS Throughput at 20MHz
On-chip 2-cycle Multiplier
High Endurance Non-volatile Memory Segments
128KBytes of In-System Self-Programmable Flash Program
16KBytes Internal SRAM
Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
Data Retention: 20 Years at 85°C/100 Years at 25°C(1)
Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
Programming Lock for Software Security
Atmel QTouch® Library Support
Capacitive Touch Buttons, Sliders and Wheels
QTouch and QMatrix acquisition
Up to 64 Sense Channels

Total : 30 Pages
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