ATxmega16A4U

8-bit AVR · AVR XMEGA · avrxmega2 · signature 1E 94 41

The ATxmega16A4U is an 8-bit AVR XMEGA microcontroller from Microchip with 16 KB of flash, 2 KB of SRAM, 1 KB of EEPROM, running up to 32 MHz from 1.6 to 3.6 V, with 34 I/O pins and 79 interrupt vectors. It comes in BGA-49, QFP-QFN-44.

Flash16 KB

SRAM2 KB

EEPROM1 KB

Clock32 MHz

I/O pins34

Vectors79

Timers

2-bit2

TC5

PWM pins20

Watchdogyes

Analog

ADC inputs12

Comparator1

DAC1

Communication

USART5

SPI2

I²C (TWI)2

USB device1

Power & clock

Supply1.6 – 3.6 V

Max clock32 MHz

Packages

BGA-4949 pins

QFP-QFN-4444 pins

Explore the ATxmega16A4U

Pinout2 packages, every pin and its functions Memory mapFlash, SRAM, EEPROM and the registers, at their addresses Registers545 registers with every bit InterruptsThe 79-vector table Peripherals55 blocks with their registers and pins Fuses & lock bitsCalculator with the factory defaults