What is the Additional Feature ?

Name: ATXMEGA256A3U-AU
Brand: Microchip Technology
SKU: ATXMEGA256A3U-AU
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology ATXMEGA256A3U-AU

型号:: ATXMEGA256A3U-AU

制造商:: Microchip Technology

封装:: 64-TQFP

数据表:: ATXMEGA256A3U-AU.pdf

描述:: IC MCU 8/16BIT 256KB FLSH 64TQFP

库存:: 2829

数量:: 添加到购物车

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ATXMEGA256A3U-AU 规格

Package/Case:
64-TQFP
Packaging:
Tray
Series:
AVR® XMEGA® A3U
ProductStatus:
RoHS
CoreProcessor:
32MHz
CoreSize:
16K x 8
Speed:
8/16-Bit
Connectivity:
4K x 8
Peripherals:
Active
NumberofI/O:
Brown-out Detect/Reset, DMA, POR, PWM, WDT
ProgramMemorySize:
I²C, IrDA, SPI, UART/USART, USB
ProgramMemoryType:
Surface Mount
EEPROMSize:
50
RAMSize:
AVR
Voltage-Supply(Vcc/Vdd):
A/D 16x12b; D/A 2x12b
DataConverters:
Internal
OscillatorType:
256KB (128K x 16)
OperatingTemperature:
FLASH
MountingType:
-40°C ~ 85°C (TA)

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ATXMEGA256A3U-AU 信息

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ATXMEGA256A3U-AU Typical application Circuitry Schematics

The ATXMEGA256A3U-AU is an advanced 8/16-bit AVR XMEGA microcontroller from Microchip, featuring robust interfacing capabilities, 256 KB self-programming flash memory, and exceptional power efficiency. Let's detail the connection scheme for a simple application circuit using the ATXMEGA256A3U-AU.

1. Power Connections: For this microcontroller, the VCC pin needs to be linked to a stable 3.3V power supply source, whereas the GND pin should be connected to the ground of your circuit. To ensure power stability and noise reduction, add decoupling capacitors, typically 0.1uF, as near as possible to these pins.
2. Clock Configuration: ATXMEGA256A3U-AU includes an internal oscillator. If your application requires enhanced precision, you can connect a 32.768 kHz crystal between the XTAL1 and XTAL2 pins to provide clock source for the Real-Time Counter (RTC) or a crystal of a higher frequency for the system clock.
3. Reset Mechanism: The RESET pin of the ATXMEGA256A3U-AU should be tied high to a 3.3V source through a 10K Ohm pull-up resistor. Include a small capacitor to ground to introduce a power-on reset delay. For manual reset, incorporate a push-button switch connected between the RESET pin and ground.
4. PDI Programming Interface: The ATXMEGA256A3U-AU employs the Program and Debug Interface (PDI) for programming. Connect the PDI_DATA (PA1) and PDI_CLK (PA0) to the respective data and clock lines of your PDI programmer.
5. GPIO Pins: Based on your project requirements, interface peripherals such as sensors, LEDs, or buttons, to the General Purpose I/O (GPIO) pins.
6. USART Connection: In case serial communication is required, the USART interfaces (for example, USARTC0 or USARTD0) can be deployed.
Remember, the detailed data sheet of the ATXMEGA256A3U-AU microcontroller should always be consulted for exhaustive specifications and design guidelines. Furthermore, Microchip provides excellent development tools, such as code libraries and application notes, to support the design and implementation of your specific circuit.

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