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ATxmega256A3BU
  • ATxmega256A3BU
  • ATxmega256A3BU

ATxmega256A3BU

In Production

Low-power, high-performance 8/16-bit AVR® microcontroller featuring 256 KB self-programming Flash program memory, 8 KB boot code section, 16 KB SRAM, 4 KB EEPROM, 4-channel DMA controller, 8-channel event system. It also includes dual 12-bit ADC, two 12-bit DAC channels, four analog comparators, AES and DES crypto engines, seven 16-bit timer/counters, six USARTs, two SPIs, and two TWIs, RTC battery backup system, 4-channel DMA controller, and 8-channel event system. The device can be used in a wide range of applications, such as building, industrial, motor, board, and climate control; hand-held battery applications; factory automation; power tools; HVAC; networking, metering, large home appliances, and optical and medical devices. This ATxmega series features 64-pin packages....

Microchip Technology ATxmega256A3BU Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

256

RAM

16

Data EEPROM (bytes)

4096

Pin Count

64

Operation Voltage Max.(V)

3.6

Operation Voltage Min.(V)

1.6

ADC Resolution Max

12

ADC Channels

16

Zero Cross Detect

False

Number of Comparators

4

SPI

8

I2C

2

Stand alone PWM

22

Low Power

Yes

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Description

Low-power, high-performance 8/16-bit AVR® microcontroller featuring 256 KB self-programming Flash program memory, 8 KB boot code section, 16 KB SRAM, 4 KB EEPROM, 4-channel DMA controller, 8-channel event system. It also includes dual 12-bit ADC, two 12-bit DAC channels, four analog comparators, AES and DES crypto engines, seven 16-bit timer/counters, six USARTs, two SPIs, and two TWIs, RTC battery backup system, 4-channel DMA controller, and 8-channel event system.

The device can be used in a wide range of applications, such as building, industrial, motor, board, and climate control; hand-held battery applications; factory automation; power tools; HVAC; networking, metering, large home appliances, and optical and medical devices. This ATxmega series features 64-pin packages.

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