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ATMEGA1284PR212-MU 用户编程技术手册 - Microchip（微芯）
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Microchip（微芯）
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8位微控制器
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QFN-32
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ATMEGA1284PR212-MU数据手册
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8-bit AVR Microcontrollers
ATmega1284
DATASHEET SUMMARY
Introduction
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.
Feature
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
Memory
– 4KBytes EEPROM
– 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
Atmel-42718C-ATmega1284_Datasheet_Summary-10/2016
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