8/16-bit Atmel XMEGA C4 Microcontroller
ATxmega32C4
ATxmega16C4
DATASHEET
Feature
High-performance, low-power Atmel® AVR® XMEGA® 8/16-bit Microcontroller
Nonvolatile program and data memories
16K - 32KB of In-System Self-Programmable Flash
4KB Boot Code Section with Independent Lock Bits
1KB EEPROM
2K - 4KB Internal SRAM
Peripheral features
Four-channel event system
Four 16-bit timer/counters
Three timer/counters with four output compare or input capture channels
One timer/counter with two output compare or input capture channels
High resolution extension on two timer/counters
Advanced waveform extension (AWeX) on one timer/counter
One USB device interface
USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device compliant
32 endpoints with full configuration flexibility
Three USARTs with IrDA support for one USART
Two two-wire interfaces with dual address match (I2C and SMBus compatible)
Two serial peripheral interfaces (SPIs)
CRC-16 (CRC-CCITT) and CRC-32 (IEEE®802.3) generator
16-bit real time counter (RTC) with separate oscillator
One sixteen-channel, 12-bit, 300ksps Analog to Digital Converter
Two Analog Comparators 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 interface
PDI (program and debug interface)
I/O and packages
34 programmable I/O pins
44-lead TQFP
44-pad QFN
49-ball VFBGA
Operating voltage
1.6 – 3.6V
Operating frequency
0 – 12MHz from 1.6V
0 – 32MHz from 2.7V
Atmel-8493I-AVR-ATxmega16C4-32C4-Datasheet–12/2014