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ATXMEGA256A3BU-AU Datasheet(PDF) 1 Page - ATMEL Corporation |
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ATXMEGA256A3BU-AU Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 143 page 8362F–AVR–02/2013 Features High-performance, low-power Atmel®AVR®XMEGA® 8/16-bit Microcontroller Nonvolatile program and data memories 256KBytes of in-system self-programmable flash 8KBytes boot section 4KBytes EEPROM 16KBytes internal SRAM Peripheral features Four-channel DMA controller Eight-channel event system Seven 16-bit timer/counters Four timer/counters with four output compare or input capture channels Three timer/counters with two output compare or input capture channels High resolution extension on all 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 Six USARTs with IrDA support for one USART Two two-wire interfaces with dual address match (I2C and SMBus compatible) Two serial peripheral interfaces (SPIs) AES and DES crypto engine CRC-16 (CRC-CCITT) and CRC-32 (IEEE® 802.3) generator 32-bit real time counter (RTC) with separate oscillator and battery backup system Two sixteen-channel, 12-bit, 2msps Analog to Digital Converters One two-channel, 12-bit, 1msps Digital to Analog Converter Four 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 interfaces JTAG (IEEE 1149.1 compliant) interface, including boundary scan PDI (Program and Debug Interface) I/O and packages 47 programmable I/O pins 64-lead TQFP 64-pad QFN Operating voltage 1.6 – 3.6V Operating frequency 0 – 12MHz from 1.6V 0 – 32MHz from 2.7V 8/16-bit Atmel XMEGA A3BUMicrocontroller ATxmega256A3BU |
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