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AT90USB1287-AU The AT90USB1287-AU is an 8-bit AVR microcontroller from Microchip Technology with 128KB Flash memory, 8KB RAM, and a 16MHz clock speed. It is housed in a 64-TQFP surface-mount package.
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AT90USB1287-AU

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The AT90USB1287-AU is an 8-bit AVR microcontroller from Microchip Technology with 128KB Flash memory, 8KB RAM, and a 16MHz clock speed. It is housed in a 64-TQFP surface-mount package.
✓ Total Stock: 1,724 pcs

AT90USB1287-AU Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,420 pcs
On Request
1420 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
304 pcs
On Request
304 pcs On Request 1 On Request On Request 19+ On Request On Request
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AT90USB1287-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Supplier Package
Voltage
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AT90USB1287-AU Description

Short technical summary and product information.

The AT90USB1287-AU is a high-performance, low-power 8-bit AVR microcontroller from Microchip Technology. It features an advanced RISC architecture with 135 instructions, most executing in a single clock cycle, achieving up to 16 MIPS throughput at 16 MHz. The device includes 128 KB of in-system self-programmable Flash memory with 100,000 write/erase cycles, 8 KB of internal SRAM, and 4 KB of EEPROM.

 

This microcontroller integrates a USB 2.0 full-speed/low-speed On-The-Go (OTG) module, supporting device and host roles. Connectivity options include EBI/EMI, I2C, SPI, UART/USART, and USB OTG. Peripherals include brown-out detection, power-on reset, PWM channels, and a watchdog timer. It also features an 8-channel, 10-bit analog-to-digital converter (ADC).

 

The AT90USB1287-AU is supplied in a 64-TQFP (14x14 mm) surface-mount package and operates over a supply voltage range of 2.7V to 5.5V and a temperature range of -40°C to +85°C. It is suitable for embedded applications requiring USB connectivity and substantial program memory.

AT90USB1287-AU Quick Information

Product Type: Microcontroller
Series: AT90USB1287
Canonical Name: AT90USB1287-AU 8-bit AVR Microcontroller
Subcategory: 8-bit AVR

AT90USB1287-AU Compliance

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

AT90USB1287-AU Features

  • 8-bit AVR RISC microcontroller core.
  • 128 KB in-system self-programmable Flash memory.
  • USB 2.0 full-speed/low-speed On-The-Go module.
  • 8-channel, 10-bit analog-to-digital converter.
  • Operates from 2.7V to 5.5V supply voltage.

AT90USB1287-AU Applications

  • Suitable for embedded USB host/device applications.
  • Ideal for industrial control and automation systems.
  • Used in consumer electronics with USB connectivity.
  • Applicable for data logging and sensor interface designs.

AT90USB1287-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT90USB1287-AU?

The AT90USB1287-AU operates from 2.7V to 5.5V.

What is the operating temperature range of the AT90USB1287-AU?

The AT90USB1287-AU operates from -40°C to +85°C.

What package is the AT90USB1287-AU available in?

The AT90USB1287-AU is available in a 64-TQFP (14x14 mm) surface-mount package.

How much Flash memory does the AT90USB1287-AU have?

The AT90USB1287-AU has 128 KB of Flash program memory.

Does the AT90USB1287-AU have USB support?

Yes, it features a USB 2.0 Full-Speed/Low-Speed On-The-Go (OTG) module.

What is the maximum clock speed of the AT90USB1287-AU?

The maximum clock speed is 16 MHz.

How many I/O pins does the AT90USB1287-AU have?

The AT90USB1287-AU has 48 general-purpose I/O pins.

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