The GL823-OGY08 (QFN24B-3V3-OG2) is a USB 2.0 card reader controller manufactured by Genesis Logic. This controller is designed to interface with various memory card formats, such as SD, MicroSD, and MMC, enabling data transfer between the memory cards and a host device (e.g., a computer or embedded system) via a USB 2.0 connection.
Applications:
- USB Card Readers: Used in the design and manufacturing of external USB card readers.
- Embedded Systems: Integrated into embedded systems requiring memory card access.
- Mobile Devices: Found in some mobile devices for interfacing with memory cards.
- Industrial Applications: Used in industrial equipment for data logging and storage.
Features:
- USB 2.0 Compliant: Supports high-speed USB 2.0 data transfer rates.
- Multi-Card Format Support: Compatible with various memory card formats, including SD, MicroSD, and MMC.
- QFN24B Package: Small form factor QFN (Quad Flat No-leads) package for space-constrained applications.
- 3.3V Operation: Operates at a supply voltage of 3.3V.
Benefits:
- High-Speed Data Transfer: USB 2.0 compliance ensures fast data transfer rates between memory cards and the host device.
- Wide Card Compatibility: Supports multiple memory card formats, providing versatility and convenience.
- Compact Design: The small QFN package allows for integration into space-constrained applications.
- Energy Efficiency: Low power consumption makes it suitable for battery-powered devices.
Additional Details:
The GL823-OGY08 operates at 3.3V and typically includes integrated regulators and clock generation circuitry. The QFN24B package facilitates surface mount assembly. Detailed specifications and application notes can be found in the manufacturer's datasheet. Proper PCB layout and decoupling are important for optimal performance.