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ATUC64D3-A2UR 32-bit AVR microcontroller with 64KB Flash memory, 48MHz speed, and 16KB RAM. Features USB, I2C, SPI, UART connectivity and 51 I/O lines in a 64-TQFP package.
Mfr Part #:

ATUC64D3-A2UR

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
32-bit AVR microcontroller with 64KB Flash memory, 48MHz speed, and 16KB RAM. Features USB, I2C, SPI, UART connectivity and 51 I/O lines in a 64-TQFP package.
✓ Total Stock: 23,180 pcs

ATUC64D3-A2UR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
23,180 pcs
On Request
23180 pcs On Request 1 On Request On Request 2020+ On Request On Request
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ATUC64D3-A2UR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
USB
Voltage
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ATUC64D3-A2UR Description

Short technical summary and product information.

The ATUC64D3-A2UR is a 32-bit AVR microcontroller from Microchip Technology, built on a high-performance, low-power RISC architecture. It operates at up to 48 MHz, delivering 61 DMIPS from Flash with one wait state. The device integrates 64KB of Flash memory with 100,000 write cycles and 15-year data retention, along with 16KB of single-cycle SRAM.

 

Peripherals include three 16-bit timer/counter channels, seven 12-bit PWM channels, a 10-bit ADC with eight channels, and seven DMA channels for efficient data transfers. Connectivity options cover I2C, SPI, UART/USART, and USB 2.0 device (full and low speed), plus one I2S controller. The microcontroller also supports capacitive touch sensing for up to 25 buttons.

 

The ATUC64D3-A2UR operates from 1.65V to 3.6V and over a temperature range of -40°C to 85°C. It is supplied in a 64-TQFP package (10x10mm) with surface mount mounting. This combination of performance, memory, and peripherals makes it suitable for a wide range of embedded control applications.

ATUC64D3-A2UR Quick Information

Product Type: Microcontroller
Canonical Name: Microchip Technology ATUC64D3-A2UR 32-bit AVR Microcontroller with 64KB Flash, 64-TQFP
Subcategory: 32-bit Microcontroller

ATUC64D3-A2UR Compliance

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

ATUC64D3-A2UR Features

  • 32-bit AVR core running at 48MHz.
  • 64KB Flash with 100k write cycles.
  • 16KB SRAM for data storage.
  • 51 I/O lines with multiple interfaces.
  • USB 2.0 device with full/low speed.

ATUC64D3-A2UR Applications

  • Ideal for industrial control systems.
  • Used in USB peripheral devices.
  • Suitable for sensor data acquisition.
  • Perfect for low-power embedded designs.

ATUC64D3-A2UR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATUC64D3-A2UR?

1.65V to 3.6V.

What package does the ATUC64D3-A2UR come in?

64-TQFP (10x10mm).

What is the operating temperature range?

-40°C to 85°C.

Is the ATUC64D3-A2UR RoHS compliant?

Yes, RoHS3 compliant (low confidence).

What is the maximum clock speed?

48 MHz.

How much Flash memory does it have?

64KB.

What connectivity interfaces are available?

I2C, SPI, UART/USART, USB.

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