The Ricoh R5C476II-LQFP208 is a high-performance PCI Express (PCIe) card reader controller. It supports a wide variety of memory card formats, making it suitable for numerous applications requiring data transfer between memory cards and a host system. The 'LQFP208' designation refers to its package type, which is a Low-profile Quad Flat Package with 208 pins.

Applications

• High-end Desktop PCs
• Workstations
• Servers
• Industrial Automation Systems
• Advanced Diagnostic Equipment

Features

• PCI Express Interface: Supports high-speed data transfer rates according to the PCIe standard.
• Extensive Card Support: Compatible with SD, SDHC, SDXC, MMC, Memory Stick (MS), MS Pro, xD-Picture Card, and potentially other formats.
• DMA (Direct Memory Access): Facilitates efficient data transfer directly to/from system memory, minimizing CPU load.
• Card Detect Signals: Hardware-based detection of card insertion and removal.
• Power Management: Includes features to reduce power consumption during idle periods.
• LED Support: Provides signals for controlling status LEDs.
• LQFP208 Package: A standard package offering good thermal performance and ease of assembly.

Benefits

• High-Speed Data Transfer: The PCIe interface enables rapid data exchange between memory cards and the host system.
• Versatile Card Compatibility: Supports a wide range of memory card formats for flexibility.
• Efficient Data Handling: DMA support reduces the CPU load during data transfers, improving overall system performance.
• Easy Integration: Adheres to standard PCIe specifications for straightforward integration into existing systems.
• Power Savings: Power management features help conserve energy.
• Standard Package: The LQFP208 package is widely used and well-understood.

Additional Details

The R5C476II-LQFP208 communicates with the host system through a PCI Express interface, providing a high-bandwidth link. It supports various memory card protocols, ensuring compatibility across different card types. The LQFP208 package provides a balance between size, thermal characteristics, and ease of handling. The device features integrated card detection circuitry, enabling automatic card insertion/removal detection. Drivers are required for proper operation; Ricoh typically provides drivers for popular operating systems. Refer to the Ricoh R5C476II-LQFP208 datasheet for complete technical specifications, including voltage requirements, power consumption, supported transfer speeds, and pinout information.