Datasheet

 2018 Microchip Technology Inc. Data Sheet Complete DS40002058A-page 2
ATxmega128A1U/ATxmega64A1U
 CRC-16 (CRC-CCITT) and CRC-32 (IEEE
®
802.3) generator
 16-bit real time counter (RTC) with separate oscillator
 Two sixteen channel, 12-bit, 2msps Analog to Digital Converters
 Two Two-channel, 12-bit, 1msps Digital to Analog Converters
 Four Analog Comparators (ACs) with window compare function, and current sources
 External interrupts on all general purpose I/O pins
 Programmable watchdog timer with separate on-chip ultra low power oscillator
 QTouch
®
library support
 Capacitive touch buttons, sliders and wheels
 Special microcontroller features
 Power-on reset and programmable brown-out detection
 Internal and external clock options with PLL and prescaler
 Programmable multilevel interrupt controller
 Five sleep modes
 Programming and debug interfaces
 JTAG (IEEE 1149.1 compliant) interface, including boundary scan
 PDI (Program and Debug Interface)
 I/O and packages
 78 Programmable I/O pins
 100 lead TQFP
 100 ball BGA
 100 ball VFBGA
 Operating voltage
 1.6 – 3.6V
 0 – 32MHz from 2.7V