The Ricoh R5C475II-CSP144Q is a PCI Express (PCIe) card reader controller designed for seamless data transfer between various memory cards and a host system. The 'CSP144Q' designation refers to its package type: a Chip Scale Package with 144 pins, offering a compact form factor for space-constrained applications. This controller is part of the R5C475II family, known for its comprehensive memory card support and PCIe interface.

Applications

• Embedded Systems requiring PCIe connectivity
• Compact PCs and Single-Board Computers
• Point-of-Sale (POS) Terminals
• Industrial Control Systems
• Data Acquisition Systems

Features

• PCI Express Interface: Enables high-speed data transfer rates compliant with PCIe specifications.
• Multi-Card Support: Compatible with a wide range of memory card formats, including SD, SDHC, SDXC, MMC, MS, MS Pro, and xD-Picture Card.
• Direct Memory Access (DMA): Supports DMA for efficient data transfer, reducing CPU overhead.
• Card Detection: Provides hardware-based card insertion and removal detection.
• Power Management Features: Includes power-saving modes to minimize energy consumption.
• CSP144Q Package: Offers a small footprint suitable for space-limited applications.
• Compliant with PCI Express Base Specification: Ensures compatibility with standard PCIe slots and systems.

Benefits

• Fast Data Transfer: The PCIe interface provides high-bandwidth data transfer capabilities.
• Versatile Card Support: The controller supports a wide variety of memory card formats, offering flexibility in application design.
• Efficient CPU Utilization: DMA support minimizes CPU involvement in data transfer operations.
• Compact Design: The CSP144Q package allows for integration into small form factor systems.
• Reduced Power Consumption: Power management features contribute to energy efficiency.
• Simplified Integration: Compliance with PCIe standards streamlines integration into existing systems.

Additional Details

The R5C475II-CSP144Q interfaces with the host system through a PCI Express slot, enabling high-speed communication. It supports various memory card protocols, ensuring compatibility with a broad range of card types. The CSP144Q package is designed for applications where board space is critical. The integrated card detection circuitry allows the system to automatically recognize when a card is inserted or removed. Proper operation requires appropriate driver support, which is typically provided by Ricoh or integrated into the operating system. For detailed technical specifications, including voltage requirements, power consumption, and supported transfer speeds, consult the Ricoh R5C475II-CSP144Q datasheet.