The Ricoh R5C475II-CSP144A is a PCI Express (PCIe) card reader controller designed for high-speed data transfer between various memory cards and a host system. The CSP144A denotes the package type, which is a Chip Scale Package with 144 pins, contributing to a smaller footprint. It's part of the R5C475II family, known for its broad memory card support.

Applications

• Embedded Systems with PCIe connectivity
• Compact Industrial PCs
• High-performance Card Readers
• Custom Motherboard Designs
• Applications requiring small form factor and PCIe

Features

• PCI Express Interface: Supports high-speed data transfer rates according to the PCIe specification.
• Multiple Card Format Support: Compatible with SD, SDHC, SDXC, MMC, Memory Stick (MS), MS Pro, and xD-Picture Card formats.
• DMA (Direct Memory Access): Enables efficient data transfer between the card and system memory without CPU intervention.
• Card Detect Pins: Provides hardware-based card insertion and removal detection.
• Power Management: Supports power saving modes to minimize energy consumption.
• CSP144A Package: Offers a compact form factor suitable for space-constrained applications.
• Compliant with PCI Express Base Specification: Adheres to the standards defined by the PCI-SIG.

Benefits

• High-Speed Data Transfer: PCIe interface facilitates rapid data exchange.
• Broad Card Compatibility: Supports a wide range of popular memory card formats, providing flexibility.
• Efficient Data Handling: DMA support offloads data transfer tasks from the CPU, improving system performance.
• Reduced Board Space: Compact CSP144A package allows for integration in space-limited designs.
• Lower Power Consumption: Power management features contribute to reduced energy usage.
• Simplified Integration: Adherence to PCIe standards streamlines integration into existing systems.

Additional Details

The R5C475II-CSP144A utilizes the PCI Express interface to connect to the host system, providing a high-bandwidth data path. It supports various memory card protocols, allowing for seamless data transfer with different card types. The CSP144A package offers a compact solution for applications where board space is a premium. It features built-in card detection capabilities, which allow the system to automatically detect when a card is inserted or removed. For proper operation, the device requires appropriate driver support, typically provided by Ricoh or integrated into the operating system. Detailed technical specifications, including operating voltage, power consumption, and supported data transfer rates, are available in the Ricoh R5C475II-CSP144A datasheet.