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ATXMEGA128A1U-AU 8/16-bit Atmel Microcontroller

Featured Product from Shenzhen Shengyu Electronics Technology Limited

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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
  • External bus interface for up to 16Mbytes SRAM
  • External bus interface for up to 128Mbit SDRAM

Peripheral features

  • Four-channel DMA controller
  • Eight-channel event system
  • Eight 16-bit timer/counters
  • Four timer/counters with 4 output compare or input capture channels
  • Four timer/counters with 2 output compare or input capture channels
  • High resolution extension on all timer/counters
  • Advanced waveform extension (AWeX) 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
  • Eight USARTs with IrDA support for one USART
  • Four two-wire interfaces with dual address match (I2C and SMBus compatible)
  • Four serial peripheral interfaces (SPIs)
  • AES and DES crypto engine
  • 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

Operating frequency

  • 0 – 12MHz from 1.6V
  • 0 – 32MHz from 2.7V