ATUC256L3U-AUR The Microchip Technology ATUC256L3U-AUR is a 32-bit AVR microcontroller featuring 256KB of FLASH program memory and 32KB of SRAM. It operates at speeds up to 50MHz.
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ATUC256L3U-AUR

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology ATUC256L3U-AUR is a 32-bit AVR microcontroller featuring 256KB of FLASH program memory and 32KB of SRAM. It operates at speeds up to 50MHz.
✓ Total Stock: 23,169 pcs

ATUC256L3U-AUR Available from 1 distributor

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23,169 pcs
23169 pcs On Request 1 On Request On Request 2020+ On Request On Request

ATUC256L3U-AUR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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ATUC256L3U-AUR Description

Short technical summary and product information.

The Microchip Technology ATUC256L3U-AUR is a high-performance, low-power 32-bit AVR microcontroller. It features a compact single-cycle RISC instruction set including DSP instructions, with performance up to 64 DMIPS at 50MHz.

 

This microcontroller offers 256KB of internal high-speed FLASH memory with 100,000 write cycles and 15-year data retention, alongside 32KB of internal high-speed SRAM. It operates at speeds up to 50MHz and supports a voltage range of 1.62V to 3.6V.

 

Key features include picoPower technology for ultra-low power consumption, a Memory Protection Unit (MPU), and a multi-hierarchy bus system for high-performance data transfers. It is equipped with 12 Peripheral DMA channels, an Interrupt Controller (INTC), and a Peripheral Event System.

 

Connectivity options include USB (Full Speed and Low Speed), I²C, SPI, and UART/USART. It also features a 12-bit Analog-to-digital Converter (ADC) with 8 channels, eight Analog Comparators, and a Capacitive Touch (CAT) module. The device is supplied in a 64-TQFP (10x10) package and is suitable for surface mounting. It operates within a temperature range of -40°C to 85°C.

ATUC256L3U-AUR Quick Information

Product Type: Microcontroller
Canonical Name: ATUC256L3U-AUR 32-bit AVR Microcontroller
Subcategory: 32-bit AVR

ATUC256L3U-AUR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATUC256L3U-AUR Features

  • High-performance 32-bit AVR microcontroller.
  • 256KB FLASH program memory, 32KB SRAM.
  • Operates at speeds up to 50MHz.
  • Features picoPower technology for low power.
  • Supplied in a 64-TQFP surface mount package.

ATUC256L3U-AUR Applications

  • Suitable for embedded control applications.
  • Ideal for low-power designs.
  • Supports USB and serial communication.
  • Features analog and touch sensing capabilities.

ATUC256L3U-AUR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the ATUC256L3U-AUR?

The operating voltage range is 1.62V to 3.6V.

What package type is the ATUC256L3U-AUR microcontroller supplied in?

It is supplied in a 64-TQFP (10x10) package suitable for surface mounting.

What is the operating temperature range for the ATUC256L3U-AUR?

The operating temperature range is -40°C to 85°C (TA).

What is the program memory size of the ATUC256L3U-AUR?

The program memory size is 256KB (256K x 8) of FLASH memory.

What is the RAM size for the ATUC256L3U-AUR?

The RAM size is 32K x 8.

What is the maximum operating speed of the ATUC256L3U-AUR?

The maximum operating speed is 50MHz.

Does the ATUC256L3U-AUR support picoPower technology?

Yes, it features picoPower technology for ultra-low power consumption.

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