Datasheet Microchip ATmega2561

ManufacturerMicrochip
SeriesATmega2561

The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 256KB ISP flash memory, 8KB SRAM, 4KB EEPROM, 86 general purpose I/O lines, 32 general purpose working registers, real time counter, six flexible timer/counters with compare modes, PWM, 4 USARTs, byte oriented 2-wire serial interface, 8-channel 10-bit A/D converter, and a JTAG interface for on-chip debugging

Datasheets

Datasheet ATmega640/V-1280/V-1281/V-2560/V-2561/V - Complete
PDF, 8.8 Mb, File published: Feb 1, 2014, Pages: 435
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash
Extract from the document
ATmega640/1280/1281/2560/2561 - Summary Datasheet
PDF, 1.0 Mb, File published: Feb 1, 2014
Extract from the document

Prices

Status

ATMEGA2561-16AUATMEGA2561-16AURATMEGA2561-16MUATMEGA2561-16MUA0ATMEGA2561-16MURATMEGA2561V-8AUATMEGA2561V-8AURATMEGA2561V-8MUATMEGA2561V-8MUR
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)

Packaging

ATMEGA2561-16AUATMEGA2561-16AURATMEGA2561-16MUATMEGA2561-16MUA0ATMEGA2561-16MURATMEGA2561V-8AUATMEGA2561V-8AURATMEGA2561V-8MUATMEGA2561V-8MUR
PackageTQFPTQFPVQFNVQFNVQFNTQFPTQFPVQFNVQFN
Pins64

Parametrics

Parameters / ModelsATMEGA2561-16AUATMEGA2561-16AURATMEGA2561-16MUATMEGA2561-16MUA0ATMEGA2561-16MURATMEGA2561V-8AUATMEGA2561V-8AURATMEGA2561V-8MUATMEGA2561V-8MUR
# of Comparators1
ADC Input88888888
ADC with ComputationNoNoNoNoNoNoNoNo
ADCC with ComputationNo
Angular TimerNoNoNoNoNoNoNoNoNo
Architecture888888888
CPU8-bit AVR
CPU Type8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR8-bit AVR
CRCNoNoNoNoNoNoNoNo
CRC/ScanNo
Class B HardwareNoNoNoNoNoNoNoNo
EEPROM / HEF4096
Emulated EEPROM in Flash40964096409640964096409640964096
High Voltage CapableNoNoNoNoNoNoNoNoNo
I2C111111111
Internal OscillatorYesYesYesYesYesYesYesYesYes
Internal Voltage Reference, BandgapYesYesYesYesYesYesYesYesYes
Lead Count6464646464646464
Math AcceleratorNoNoNoNoNoNoNoNoNo
Max # PWM outputs, including complementary outputs8
Max 16 Bit Digital Timers4
Max 16-Bit Digital Timers44444444
Max 8 Bit Digital Timers2
Max 8-Bit Digital Timers22222222
Max A/D Resolution, bits10
Max ADC Resolution, Bits1010101010101010
Max CPU Speed, MHz1616161616161616
Max PWM outputs, including complementary88888888
Max. CPU Speed MHz16
Number of Comparators11111111
Operating Temperature Range, °C-40 to +85
Operation Voltage Max, V5.55.55.55.55.55.55.55.5
Operation Voltage Max.(V)5.5
Operation Voltage Min, V1.81.81.81.81.81.81.81.8
Operation Voltage Min.(V)1.8
Package Width14x14x1mm14x14x1mm9x9x1mm9x9x1mm14x14x1mm14x14x1mm9x9x1mm9x9x1mm
Peripheral Pin Select, PPSNo
Peripheral Pin Select / Pin MuxingNoNoNoNoNoNoNoNo
Pin count646464646464646464
Program Memory Size, KB256256256256256256256256256
RAM, bytes8192
SPI333333333
SRAM, Bytes81928192819281928192819281928192
Temp Range Max8585858585858585
Temp Range Min-40-40-40-40-40-40-40-40
Temp. Range Max.85
Temp. Range Min.-40
Total # of A/D channels8
UART222222222
Windowed Watchdog Timer, WWDTNo
Zero Cross detectNoNoNoNoNoNoNoNoNo

Eco Plan

ATMEGA2561-16AUATMEGA2561-16AURATMEGA2561-16MUATMEGA2561-16MUA0ATMEGA2561-16MURATMEGA2561V-8AUATMEGA2561V-8AURATMEGA2561V-8MUATMEGA2561V-8MUR
RoHSCompliant

Other Options

ATmega1280 ATmega1280V ATmega1281 ATmega2560 ATmega2560V ATmega2561V ATmega640 ATmega640V

Model Line

Manufacturer's Classification

  • Microcontrollers > 8-bit Microcontrollers

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