The UPD3383D is a USB Host Controller manufactured by NEC. It is designed to interface with various USB devices, enabling communication and data transfer between the host system and peripherals.

Applications

• Embedded Systems
• Industrial PCs
• Point of Sale (POS) Terminals
• Gaming Consoles
• USB Hubs

Features

• USB 2.0 compliant
• Supports High-speed (480Mbps), Full-speed (12Mbps), and Low-speed (1.5Mbps) data transfer rates
• Integrated Transaction Translator (TT) for optimal performance with mixed-speed devices
• Supports up to 127 USB devices
• Multiple downstream ports
• Integrated Root Hub
• Supports power management features for energy efficiency
• Available in various package options (e.g., QFP)

Benefits

• Enables seamless connectivity with a wide range of USB peripherals
• Provides high-speed data transfer capabilities for demanding applications
• Reduces system complexity and cost with integrated features
• Enhances system reliability and stability with robust design
• Simplifies USB device integration and management
• Power saving features contribute to lower energy consumption and longer battery life in portable devices.

Additional Details

The UPD3383D operates within a specified voltage range, typically 3.3V. It requires external clock source. Detailed technical specifications, including pin configurations, electrical characteristics, and timing diagrams, are available in the product datasheet. It is designed for use with operating systems that support USB host functionality, such as Windows, Linux, and embedded OS.

The UPD3383D's role as a USB host controller means it manages the communication between the central processing unit (CPU) and connected USB devices. Its ability to handle high, full and low speed devices, coupled with the integrated transaction translator, allows for efficient data transfer regardless of the type of peripheral connected. This functionality is essential in a wide variety of applications, making it a versatile choice for system designers needing reliable USB connectivity.