The UPD720100AGM-8EY/UJ, manufactured by Renesas Electronics America, is a USB 2.0 Host Controller. This device enables a system to function as a host, managing and communicating with various USB peripherals such as keyboards, mice, storage devices, and other compliant devices. It implements the USB 2.0 standard, supporting high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) data transfer rates. The UPD720100AGM-8EY/UJ is designed for a range of applications including embedded systems, PC motherboards, and other applications requiring robust USB host capabilities.

Applications

• PC Motherboards
• Embedded Systems
• Notebook Computers
• Industrial PCs
• USB Add-in Cards

Features

• Compliant with USB Specification Revision 2.0
• Supports high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) data transfer rates
• Provides multiple downstream USB ports (typically 4 or more)
• Integrated transaction translator (TT) for efficient handling of mixed-speed devices
• Supports both bus-powered and self-powered USB devices
• Host controller interface compatible with PCI or PCI Express (PCIe) bus
• Includes enhanced Host Controller Interface (EHCI) support
• Offers advanced power management features for reduced energy consumption
• Supports legacy USB devices

Benefits

• Enables high-speed USB connectivity for a wide range of peripherals
• Facilitates seamless integration of USB devices into host systems
• Streamlines the connection and management of multiple USB devices simultaneously
• Provides a cost-effective solution for adding USB 2.0 host functionality
• Reduces system power consumption with advanced power management features
• Ensures compatibility with both new and legacy USB devices
• Offers efficient data transfer and resource management through EHCI support

Additional Details

The UPD720100AGM-8EY/UJ communicates with the host system via a PCI or PCI Express interface, allowing for fast data transfer and efficient resource allocation. The integrated transaction translator ensures correct handling of low-speed and full-speed USB devices when the host controller is operating at high speed. Power management features optimize the chip's energy consumption, making it suitable for mobile and power-sensitive applications. This device typically comes in a QFP (Quad Flat Package) or similar package for surface mounting on printed circuit boards. Further details, including timing diagrams, register descriptions, and application schematics, are available in the Renesas datasheet for the UPD720100A series. External components such as crystal oscillators and pull-up resistors may be required for proper operation.