ATxmega128A1U

8-bit AVR · AVR XMEGA · avrxmega7 · signature 1E 97 4C

The ATxmega128A1U is an 8-bit AVR XMEGA microcontroller from Microchip with 128 KB of flash, 8 KB of SRAM, 2 KB of EEPROM, running up to 32 MHz from 1.6 to 3.6 V, with 78 I/O pins and 125 interrupt vectors. It comes in BGA-100, TQFP-100.

Flash128 KB
SRAM8 KB
EEPROM2 KB
Clock32 MHz
I/O pins78
Vectors125

Timers

2-bit4
TC8
PWM pins26
Watchdogyes

Analog

ADC inputs16
Comparator2
DAC2

Communication

USART8
SPI4
I²C (TWI)4
USB device1

Power & clock

Supply1.6 – 3.6 V
Max clock32 MHz

Packages

BGA-100100 pins
TQFP-100100 pins

Explore the ATxmega128A1U

Pinout2 packages, every pin and its functionsMemory mapFlash, SRAM, EEPROM and the registers, at their addresses Registers846 registers with every bit InterruptsThe 125-vector table Peripherals78 blocks with their registers and pins Fuses & lock bitsCalculator with the factory defaults