ATXMEGA64B3-AU Microchip 16bit MCU

ATXMEGA64B3-AU Overview

AVR AVR® XMEGA® B3 Microcontroller IC 8/16-Bit 32MHz 64KB (32K x 16) FLASH 64-TQFP (14x14)

Features

High-performance, low-power Atmel® AVR® XMEGA® 8/16-bit Microcontroller
Nonvolatile program and data memories
64K - 128KBytes of in-system self-programmable flash
4K - 8KBytes boot section
2KBytes EEPROM
4K - 8KBytes internal SRAM
Peripheral Features
Two-channel DMA controller
Four-channel event system
Three 16-bit timer/counters
Two timer/counters with 4 output compare or input capture channels
One timer/counter with 2 output compare or input capture channels
High resolution extensions one timer/counter
Advanced waveform extension (AWeX) on one timer/counter
Split mode on two timer/counters
One USB device interface
USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device compliant
32 Endpoints with full configuration flexibility
Two USARTs with IrDA support for one USART
AES and DES crypto engine
CRC-16 (CRC-CCITT) and CRC-32 (IEEE® 802.3) generator
One two-wire interface with dual address match (I2C and SMBus compatible)
One serial peripheral interface (SPI)
16-bit Real Time Counter (RTC) with separate oscillator
Liquid Crystal Display
Up to 4x40 segment driver
Built in contrast control
ASCII character mapping
Flexible SWAP of segment and common terminals buses
Two eight-channel, 12-bit, 300 thousand SPS Analog to Digital Converters
Four Analog Comparators with window compare function, and current source feature
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
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
53 Programmable I/O pins
100-lead TQFP
Operating Voltage
1.6 – 3.6V
Operating frequency
0 – 12MHz from 1.6V
0 – 32MHz from 2.7V