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Microcontrolador ATmega 2560

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Gerardo Garzón

on 28 April 2015

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Transcript of Microcontrolador ATmega 2560

Arduino Mega 2560
El Arduino Mega 2560 es una placa electrónica basada en el microcontrolador ATmega2560 (datasheet).



• Microcontrolador ATmega 2560
• Voltaje de alimentación de 5V
• Voltaje de entrada (recomendado) 7-12V
• Voltaje de entrada (límites) 6-20V
• 54 pines de entradas y salidas digitales (de los cuales 14 proporcionan salida PWM)
• 16 pines de entrada analógica
• 40 mA de corriente directa, por pin, en entradas o salidas digitales.
• 50 mA de corriente directa para pines a 3.3 V
• Memoria Flash de 256 KB de los cuales 8 KB se utilizan en el bootloader
• 8 KB de SRAM
• EEPROM de 4 KB
• Velocidad de reloj a 16 MHz

ATmega 2560
High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller
• Advanced RISC Architecture
– 135 Powerful Instructions – Most Single Clock Cycle Execution
– 32 × 8 General Purpose Working Registers
– Fully Static Operation
– Up to 16 MIPS Throughput at 16MHz
– On-Chip 2-cycle Multiplier
• Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
– Real Time Counter with Separate Oscillator
– Four 8-bit PWM Channels
– Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits
(ATmega1281/2561, ATmega640/1280/2560)
– Output Compare Modulator
– 8/16-channel, 10-bit ADC (ATmega1281/2561, ATmega640/1280/2560)
– Two/Four Programmable Serial USART (ATmega1281/2561, ATmega640/1280/2560)
– Master/Slave SPI Serial Interface
– Byte Oriented 2-wire Serial Interface
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Interrupt and Wake-up on Pin Change
Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated Oscillator
– External and Internal Interrupt Sources
– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby,
and Extended Standby
• Temperature Range:
– -40°C to 85°C Industrial
• High Endurance Non-volatile Memory Segments
– 64K/128K/256KBytes of In-System Self-Programmable Flash
– 4Kbytes EEPROM
– 8Kbytes Internal SRAM
– Write/Erase Cycles:10,000 Flash/100,000 EEPROM
– Data retention: 20 years at 85°C/ 100 years at 25°C
– 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
• Endurance: Up to 64Kbytes Optional External Memory Space
Microcontrolador ATmega 2560
Gerardo Garzon A.
Sebastian Laverde.

Cuenta con 54 pines de entradas/salidas digitales (14 pines se pueden utilizar como salidas PWM o modulación de ancho de pulso), 16 entradas analógicas, 4 UARTs (puertos seriales), un oscilador con cristal de 16 MHz, una conexión USB, un conector de alimentación, una cabecera o header ICSP, y un botón de reinicio.

Contiene todo lo necesario para hacer funcionar al microcontrolador, basta con conectarlo a una computadora con cable USB, conectarle su adaptador de corriente, o una batería para empezar a utilizarlo.
Ésta placa Arduino Mega 2560 es compatible con la mayoría de los shields diseñados para el Arduino Duemilanove o Diecimila.


• Ultra-Low Power Consumption
– Active Mode: 1MHz, 1.8V: 500µA
– Power-down Mode: 0.1µA at 1.8V
• Speed Grade:
– ATmega640V/ATmega1280V/ATmega1281V:
• 0 - 4MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
– ATmega2560V/ATmega2561V:
• 0 - 2MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
– ATmega640/ATmega1280/ATmega1281:
• 0 - 8MHz @ 2.7V - 5.5V, 0 - 16MHz @ 4.5V - 5.5V
– ATmega2560/ATmega2561:
• 0 - 16MHz @ 4.5V - 5.5V
http://www.atmel.com/images/doc2549.pdf
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