Microchip Technology
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AT43USB355E-AU
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AT43USB355E-AU

Product Overview

  • Category: Integrated Circuit
  • Use: USB Controller
  • Characteristics: High-speed, Low-power, Versatile
  • Package: AU (Gold Plated)
  • Essence: Efficient USB control and communication
  • Packaging/Quantity: 100 units per reel

Specifications

  • Interface: USB 2.0
  • Operating Voltage: 3.3V
  • Operating Temperature: -40°C to +85°C
  • Data Transfer Rate: Up to 480 Mbps
  • Power Consumption: <10 mA
  • Package Type: QFN-32

Detailed Pin Configuration

The AT43USB355E-AU has a total of 32 pins arranged as follows:

  1. VBUS
  2. D-
  3. D+
  4. GND
  5. NC
  6. NC
  7. NC
  8. NC
  9. NC
  10. NC
  11. NC
  12. NC
  13. NC
  14. NC
  15. NC
  16. NC
  17. NC
  18. NC
  19. NC
  20. NC
  21. NC
  22. NC
  23. NC
  24. NC
  25. NC
  26. NC
  27. NC
  28. NC
  29. NC
  30. NC
  31. NC
  32. NC

Functional Features

  • USB device controller with integrated transceiver
  • Supports full-speed (12 Mbps) and low-speed (1.5 Mbps) modes
  • On-chip 3.3V regulator for USB bus-powered applications
  • Built-in clock recovery circuitry
  • Supports remote wake-up capability
  • Configurable I/O voltage levels (1.8V, 2.5V, or 3.3V)
  • Integrated 3.3V to 1.8V level shifter

Advantages and Disadvantages

Advantages

  • High-speed data transfer rate
  • Low power consumption
  • Versatile voltage level configuration
  • Supports remote wake-up capability

Disadvantages

  • Limited pin configuration options
  • No built-in ESD protection

Working Principles

The AT43USB355E-AU is a USB device controller that enables efficient communication between a USB host and a connected device. It operates based on the USB 2.0 standard, allowing for high-speed data transfer at rates up to 480 Mbps. The integrated transceiver handles the physical layer of USB communication, while the on-chip regulator ensures stable power supply for USB bus-powered applications. The device also supports remote wake-up capability, allowing it to be activated from a low-power state by the USB host.

Detailed Application Field Plans

The AT43USB355E-AU is widely used in various USB-enabled devices, including:

  1. Personal computers
  2. Laptops
  3. Printers
  4. Scanners
  5. Digital cameras
  6. Mobile phones
  7. Gaming consoles
  8. Set-top boxes
  9. Embedded systems

Its versatility and high-speed capabilities make it suitable for a wide range of applications where USB connectivity is required.

Detailed and Complete Alternative Models

  1. AT43USB355M-AU: Similar to AT43USB355E-AU but with additional ESD protection features.
  2. AT43USB355R-AU: Reduced pin count version of AT43USB355E-AU for space-constrained applications.
  3. AT43USB355P-AU: Enhanced power management features compared to AT43USB355E-AU.

These alternative models offer different features and pin configurations to cater to specific application requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق AT43USB355E-AU في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of AT43USB355E-AU in technical solutions:

  1. Q: What is AT43USB355E-AU? A: AT43USB355E-AU is a USB controller IC developed by Microchip Technology, commonly used in various technical solutions.

  2. Q: What are the key features of AT43USB355E-AU? A: Some key features of AT43USB355E-AU include USB 2.0 compliance, low power consumption, integrated pull-up resistors, and support for multiple endpoints.

  3. Q: What applications can AT43USB355E-AU be used for? A: AT43USB355E-AU can be used in applications such as USB keyboards, mice, game controllers, industrial control systems, and other USB-based devices.

  4. Q: Does AT43USB355E-AU support USB HID (Human Interface Device) class? A: Yes, AT43USB355E-AU supports USB HID class, making it suitable for implementing USB keyboards, mice, and other human interface devices.

  5. Q: Can AT43USB355E-AU be used in low-power applications? A: Yes, AT43USB355E-AU has low power consumption capabilities, making it suitable for battery-powered or energy-efficient devices.

  6. Q: Does AT43USB355E-AU require external components for operation? A: Yes, AT43USB355E-AU requires external crystal oscillator, decoupling capacitors, and pull-up resistors for proper operation.

  7. Q: What programming language can be used to develop firmware for AT43USB355E-AU? A: Firmware for AT43USB355E-AU can be developed using C or assembly language, depending on the chosen development environment.

  8. Q: Is AT43USB355E-AU compatible with different operating systems? A: Yes, AT43USB355E-AU is compatible with various operating systems, including Windows, macOS, Linux, and others that support USB HID devices.

  9. Q: Can AT43USB355E-AU be used in both host and device modes? A: No, AT43USB355E-AU is primarily designed for device mode operation, where it acts as a peripheral connected to a USB host.

  10. Q: Are there any evaluation boards or development kits available for AT43USB355E-AU? A: Yes, Microchip offers evaluation boards and development kits specifically designed for AT43USB355E-AU, which can help in prototyping and development.

Please note that these answers are general and may vary based on specific technical requirements and implementation details.