The UPD72891BF1-FN3-A is a USB 2.0 Host Controller manufactured by Renesas Electronics America. This controller is designed to provide high-speed USB connectivity to various embedded systems and computer peripherals. It supports data transfer rates of up to 480 Mbps, complying with the USB 2.0 specification.

Applications

• Embedded systems requiring USB host functionality.
• Industrial control systems needing USB connectivity.
• Point-of-sale (POS) systems for connecting peripherals.
• Single-board computers and development platforms.
• USB storage devices and peripherals.

Features

• Compliant with USB 2.0 specifications, supporting high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) data transfer rates.
• Integrated transceiver for reduced external component count.
• Supports multiple USB ports, enabling simultaneous connection of several USB devices.
• Host controller functionality allows the system to act as the USB host, managing communication with connected USB devices.
• Advanced power management features to optimize power consumption.

Benefits

• High-speed data transfer ensures efficient communication with USB peripherals.
• Reduced system cost and complexity due to integrated transceiver.
• Flexibility to connect multiple USB devices simultaneously.
• Improved system performance by enabling the host system to efficiently manage USB communication.
• Lower power consumption for energy-efficient operation, crucial in portable and embedded applications.

Additional Details

The UPD72891BF1-FN3-A typically interfaces with the system's host processor via a standard interface such as PCI or a custom interface. It requires external components such as pull-up resistors and crystal oscillators for proper operation. The device is often supplied in a QFP (Quad Flat Package) or similar surface-mount package for easy integration into PCB designs. Detailed technical specifications, including pinout diagrams, electrical characteristics, and timing diagrams, are available in the Renesas datasheet for this part.