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ATxmega16D4
  • ATxmega16D4
  • ATxmega16D4
  • ATxmega16D4

ATxmega16D4

In Production

The high-performance, low-power 8/16-bit AVR XMEGA microcontroller combines 16KB ISP flash memory (4KB boot code section) with read-while-write capabilities, 1KB EEPROM, 2KB 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...

Microchip Technology ATxmega16D4 Product Info

16 April 2026 1

Parameters

Program Memory Size (KB)

16

RAM

2048

Data EEPROM (bytes)

1024

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

No

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 16KB ISP flash memory (4KB boot code section) with read-while-write capabilities, 1KB EEPROM, 2KB 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 1 MIPS per MHz, balancing power consumption and processing speed.

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