Microchip, 8bit AVR, AVR XMEGA Microcontroller, 32MHz, 256 + 8 kB Flash, 64-Pin QFN

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TWD279.30

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Packaging Options:
RS Stock No.:
133-1721
Distrelec Article No.:
303-01-928
Mfr. Part No.:
ATXMEGA256A3U-MH
Manufacturer:
Microchip
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Brand

Microchip

Family Name

AVR XMEGA

Package Type

QFN

Mounting Type

Surface Mount

Pin Count

64

Device Core

AVR

Data Bus Width

8 bit, 16bit

Program Memory Size

256 + 8 kB

Maximum Frequency

32MHz

RAM Size

16 kB

USB Channels

1

Number of PWM Units

1

Number of SPI Channels

10

Typical Operating Supply Voltage

1.6 → 3.6 V

Number of UART Channels

7

Number of CAN Channels

0

Number of I2C Channels

2

Number of USART Channels

7

Number of PCI Channels

0

Number of Ethernet Channels

0

Number of LIN Channels

0

Height

0.95mm

Width

9.1mm

Dimensions

9.1 x 9.1 x 0.95mm

Pulse Width Modulation

1 (22 Channel)

Maximum Operating Temperature

+85 °C

Number of ADC Units

2

Length

9.1mm

ADCs

16 x 12 bit

Maximum Number of Ethernet Channels

0

Instruction Set Architecture

RISC

Minimum Operating Temperature

-40 °C

Program Memory Type

Flash

8/16-Bit AVR XMEGA Microcontrollers


Atmel AVR XMEGA microcontrollers deliver the best possible combination of real-time performance, high integration and low power consumption for 8/16-bit MCU applications.

Atmel AVR XMEGA devices employ advanced analogue-to-digital converters (ADCs) that deliver both high speed and high resolution. These ADCs offer up to four conversion channels with different result registers, which can have different setup and configuration processes. This provides easier use since different software modules can access and use an ADC independently.

The Event System facilitates inter-peripheral signaling for short and 100% predictable response time. This ensures real-time control, and also offloads the CPU because each time an event is used, one interrupt with context switch is eliminated. Most of the peripherals and the DMA controller are connected to the Event System. The AVR XMEGA E series features an asynchronous peripheral Event System instead.

The AVR XMEGA 4-channel direct memory access (DMA) controller can be used for fast, CPU-independent data transfer between any combination of data memory and peripherals.

AVR XMEGA devices use the Atmel AVR CPU. The instruction set and design of the CPU are tuned to minimize code size and maximize execution speed. Its true single-cycle execution of arithmetic and logic operations means AVR XMEGA microcontrollers perform close to 1MIPS per MHz. The fast-access register file with 32 x 8-bit general-purpose working registers is directly connected to the arithmetic logic unit (ALU). During a single clock cycle, the ALU can be fed two arbitrary registers, do a requested operation, and write back the result. It provides efficient support for 8-, 16- and 32-bit arithmetic.

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