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ATmega1284
  • ATmega1284
  • ATmega1284
  • ATmega1284

ATmega1284

In Production

The high-performance Microchip 8-bit AVR® RISC-based microcontroller combines 128 KB ISP flash memory with read-while-write capabilities, 4 KB EEPROM, 16 KB SRAM, 32 general purpose I/O lines, 32 general purpose working registers, a real-time counter, three flexible timer/counters with compare modes and PWM, two USARTs, a byte-oriented Two-Wire serial interface, an 8-channel 10-bit A/D converter with optional differential input stage with programmable gain, programmable watchdog timer with internal oscillator, SPI serial port, a JTAG (IEEE® 1149.1 compliant) test interface for on-chip debugging and programming, and six software selectable power saving modes. The device operates between 1.8-5.5 volts. By executing powerful instructions in a single clock cycle, the device achieves t...

Microchip Technology ATmega1284 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

128

RAM

16384

Data EEPROM (bytes)

4096

Pin Count

44

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

1.8

ADC Resolution Max

10

ADC Channels

8

Zero Cross Detect

No

Number of Comparators

1

SPI

3

I2C

1

Stand alone PWM

6

Low Power

No

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Description

The high-performance Microchip 8-bit AVR® RISC-based microcontroller combines 128 KB ISP flash memory with read-while-write capabilities, 4 KB EEPROM, 16 KB SRAM, 32 general purpose I/O lines, 32 general purpose working registers, a real-time counter, three flexible timer/counters with compare modes and PWM, two USARTs, a byte-oriented Two-Wire serial interface, an 8-channel 10-bit A/D converter with optional differential input stage with programmable gain, programmable watchdog timer with internal oscillator, SPI serial port, a JTAG (IEEE® 1149.1 compliant) test interface for on-chip debugging and programming, and six software selectable power saving modes. The device operates between 1.8-5.5 volts.

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

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