ATMEGA2560-16AU

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1. Description

The ATMEGA2560-16AU 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 ATmega640/1280/1281/2560/2561 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

2. Features

    1. High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller

    2. 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

    2. 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

    3. In-System Programming by On-chip Boot Program

    4. True Read-While-Write Operation

         – Programming Lock for Software Security

    5. Endurance: Up to 64Kbytes Optional External Memory Space

    6. Atmel® QTouch® library support

        – Capacitive touch buttons, sliders and wheels

        – QTouch and QMatrix acquisition

        – Up to 64 sense channels

    7. JTAG (IEEE® std. 1149.1 compliant) Interface

        – Boundary-scan Capabilities According to the JTAG Standard

       – Extensive On-chip Debug Support

       – Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface

    8. 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

    9. 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

  10. I/O and Packages

        – 54/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)

        – 64-pad QFN/MLF, 64-lead TQFP (ATmega1281/2561)

        – 100-lead TQFP, 100-ball CBGA (ATmega640/1280/2560)

        – RoHS/Fully Green

  11. Temperature Range:

         – -40C to 85C Industrial

  12. Ultra-Low Power Consumption

        – Active Mode: 1MHz, 1.8V: 500µA

        – Power-down Mode: 0.1µA at 1.8V

  13. 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

3. Pin Configurations