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ATmega2561
  • ATmega2561
  • ATmega2561

ATmega2561

In Production

The high-performance, low-power Microchip 8-bit AVR® RISC-based microcontroller combines 256 KB ISP flash memory, 8 KB SRAM, 4 KB EEPROM, 86 general purpose I/O lines, 32 general purpose working registers, real-time counter, six flexible timer/counters with compare modes, PWM, four USARTs, byte-oriented Two-Wire serial interface, 8-channel 10-bit A/D converter, and a JTAG interface for on-chip debugging. The device achieves a throughput of 16 MIPS at 16 MHz and operates between 4.5-5.5 volts. By executing powerful instructions in a single clock cycle, the device achieves a throughput approaching one MIPS per MHz, balancing power consumption and processing speed....

Microchip Technology ATmega2561 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

256

RAM

8192

Data EEPROM (bytes)

4096

Pin Count

64

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

1.8

ADC Resolution Max

10

ADC Channels

8

Zero Cross Detect

False

Number of Comparators

1

SPI

3

I2C

1

Stand alone PWM

8

Low Power

No

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Description

The high-performance, low-power Microchip 8-bit AVR® RISC-based microcontroller combines 256 KB ISP flash memory, 8 KB SRAM, 4 KB EEPROM, 86 general purpose I/O lines, 32 general purpose working registers, real-time counter, six flexible timer/counters with compare modes, PWM, four USARTs, byte-oriented Two-Wire serial interface, 8-channel 10-bit A/D converter, and a JTAG interface for on-chip debugging. The device achieves a throughput of 16 MIPS at 16 MHz and operates between 4.5-5.5 volts.

By executing powerful instructions in a single clock cycle, the device achieves a throughput approaching one MIPS per MHz, balancing power consumption and processing speed.

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