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Atmel Electronic Components Datasheet

ATxmega256A3BU Datasheet

8/16-bit Atmel XMEGA A3BUMicrocontroller

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Features
8/16-bit Atmel XMEGA A3BUMicrocontroller
ATxmega256A3BU
z High-performance, low-power Atmel®AVR®XMEGA® 8/16-bit Microcontroller
z Nonvolatile program and data memories
z 256KBytes of in-system self-programmable flash
z 8KBytes boot section
z 4KBytes EEPROM
z 16KBytes internal SRAM
z Peripheral features
z Four-channel DMA controller
z Eight-channel event system
z Seven 16-bit timer/counters
z Four timer/counters with four output compare or input capture channels
z Three timer/counters with two output compare or input capture channels
z High resolution extension on all timer/counters
z Advanced waveform extension (AWeX) on one timer/counter
z One USB device interface
z USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device compliant
z 32 Endpoints with full configuration flexibility
z Six USARTs with IrDA support for one USART
z Two two-wire interfaces with dual address match (I2C and SMBus compatible)
z Two serial peripheral interfaces (SPIs)
z AES and DES crypto engine
z CRC-16 (CRC-CCITT) and CRC-32 (IEEE® 802.3) generator
z 32-bit real time counter (RTC) with separate oscillator and battery backup system
z Two sixteen-channel, 12-bit, 2msps Analog to Digital Converters
z One two-channel, 12-bit, 1msps Digital to Analog Converter
z Four Analog Comparators with window compare function, and current sources
z External interrupts on all general purpose I/O pins
z Programmable watchdog timer with separate on-chip ultra low power oscillator
z QTouch® library support
z Capacitive touch buttons, sliders and wheels
z Special microcontroller features
z Power-on reset and programmable brown-out detection
z Internal and external clock options with PLL and prescaler
z Programmable multilevel interrupt controller
z Five sleep modes
z Programming and debug interfaces
z JTAG (IEEE 1149.1 compliant) interface, including boundary scan
z PDI (Program and Debug Interface)
z I/O and packages
z 47 programmable I/O pins
z 64-lead TQFP
z 64-pad QFN
z Operating voltage
z 1.6 – 3.6V
z Operating frequency
z 0 – 12MHz from 1.6V
z 0 – 32MHz from 2.7V
Atmel-8362 G-AVR-ATxmega-07/2014


Atmel Electronic Components Datasheet

ATxmega256A3BU Datasheet

8/16-bit Atmel XMEGA A3BUMicrocontroller

No Preview Available !

1. Ordering Information
Ordering code
Flash (bytes) EEPROM (bytes) SRAM (bytes) Speed (MHz) Power supply Package (1)(2)(3)
Temp.
ATxmega256A3BU-AU
ATxmega256A3BU-AUR (4)
ATxmega256A3BU-MH
ATxmega256A3BU-MHR (4)
256K + 8K
256K + 8K
4K
4K
16K
32 1.6 - 3.6V
64A
-40°C-85°C
16K
32
1.6 - 3.6V
64M2
Notes:
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information.
2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also Halide free and fully Green.
3. For packaging information, see “Packaging information” on page 67.
4. Tape and reel.
64A
64M2
Package type
64-lead, 14 x 14mm body size, 1.0mm body thickness, 0.8mm lead pitch, thin profile plastic quad flat package (TQFP)
64-pad, 9 x 9 x 1.0mm body, lead pitch 0.50mm, 7.65mm exposed pad, quad flat no-lead package (QFN)
Typical Applications
Industrial control
Factory automation
Building control
Board control
White goods
Climate control
RF and ZigBee®
USB connectivity
Sensor control
Optical
Low power battery applications
Power tools
HVAC
Utility metering
Medical applications
XMEGA A3BU [DATASHEET]
Atmel-8362 G-AVR-ATxmega-07/2014
2


Part Number ATxmega256A3BU
Description 8/16-bit Atmel XMEGA A3BUMicrocontroller
Maker Atmel
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ATxmega256A3BU Datasheet PDF






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