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ATMEGA2561V-8AU

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ATMEGA2561V-8AU Overview

AVR AVR® ATmega Microcontroller IC 8-Bit 8MHz 256KB (128K x 16) FLASH 64-TQFP (14x14)

ECAD Model

Footprint

ATMEGA2561V-8AU

Features

High Performance, Low Power Atmel AVR 8-Bit Microcontroller

Advanced RISC Architecture

135 Powerful InstructionsMost Single Clock Cycle Execution

328 General Purpose Working Registers

Fully Static Operation

Up to 16 MIPS Throughput at 16MHz

On-Chip 2-cycle Multiplier

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 85C/ 100 years at 25C

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

Atmel QTouch library support

Capacitive touch buttons, sliders and wheels

QTouch and QMatrix acquisition

Up to 64 sense channels

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

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

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

Temperature Range:

-40C to 85C Industrial

Ultra-Low Power Consumption

Active Mode: 1MHz, 1.8V: 500A

Power-down Mode: 0.1A 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

Applications

AVR? ATmega

Specifications

  • Core Processor AVR

  • DigiKey Programmable Verified

  • Speed 8MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 8K x 8

  • Number of I/O 54

  • Peripherals Brown-out Detect/Reset, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Product Status Active

  • Oscillator Type Internal

  • Supplier Device Package 64-TQFP (14x14)

  • EEPROM Size 4K x 8

  • Series AVR® ATmega

  • Package / Case 64-TQFP

  • Core Size 8-Bit

  • Mfr Microchip Technology

  • Connectivity EBI/EMI, I2C, SPI, UART/USART

  • Program Memory Size 256KB (128K x 16)

  • Data Converters A/D 8x10b

  • Package Tray

  • Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V

  • Base Product Number ATMEGA2561

Circuit Diagram

ATMEGA2561V-8AU

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