ATMEGA1281-16AUR datasheet(1/34 Pages) ATMEL

Teilenummer	ATMEGA1281-16AUR

Bauteilbeschribung	8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash

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Hersteller	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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2549QS–AVR–02/2014

Features

• 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

• 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

• 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:

–-40

C to 85C Industrial

• 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

Atmel ATmega640/V-1280/V-1281/V-2560/V-2561/V

8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash

SUMMARY

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