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ATXMEGA128D4
  • ATXMEGA128D4
  • ATXMEGA128D4
  • ATXMEGA128D4

ATXMEGA128D4

In Production

The high-performance, low-power 8-/16-bit AVR® XMEGA® microcontroller combines 128 KB ISP Flash memory (8 KB boot code section) with read-while-write capabilities, 2 KB EEPROM, 8 KB SRAM, four-channel event system, a programmable multi-level interrupt controller, 34 general purpose I/O lines, a 16-bit real-time counter, four flexible 16-bit timer/counters with compare modes and PWM, two USARTs, two Two-Wire Interfaces (TWIs), two Serial Peripheral Interfaces (SPIs), one 12-channel/12-bit A/D converter with optional differential input with programmable gain, two analog comparators with window mode, a programmable watchdog timer with separate internal oscillator, accurate internal oscillators with PLL and prescaler, and programmable brown-out detection. The Program and Debug Interfa...

Microchip Technology ATXMEGA128D4 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

128

RAM

8

Data EEPROM (bytes)

2048

Pin Count

44

Operation Voltage Max.(V)

3.6

Operation Voltage Min.(V)

1.6

ADC Resolution Max

12

ADC Channels

12

Zero Cross Detect

False

Number of Comparators

2

SPI

4

I2C

2

Stand alone PWM

14

Low Power

Yes

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Description

The high-performance, low-power 8-/16-bit AVR® XMEGA® microcontroller combines 128 KB ISP Flash memory (8 KB boot code section) with read-while-write capabilities, 2 KB EEPROM, 8 KB SRAM, four-channel event system, a programmable multi-level interrupt controller, 34 general purpose I/O lines, a 16-bit real-time counter, four flexible 16-bit timer/counters with compare modes and PWM, two USARTs, two Two-Wire Interfaces (TWIs), two Serial Peripheral Interfaces (SPIs), one 12-channel/12-bit A/D converter with optional differential input with programmable gain, two analog comparators with window mode, a programmable watchdog timer with separate internal oscillator, accurate internal oscillators with PLL and prescaler, and programmable brown-out detection. The Program and Debug Interface (PDI), a fast 2-pin interface for programming and debugging, is available. 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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