The JMicron JMB387-LGAZ0A is a PCI Express to ExpressCard/CardBus host controller. This chip is designed to bridge the PCI Express interface of a computer system to the ExpressCard and CardBus slots, enabling the use of expansion cards designed for those interfaces.

Applications

• Desktop PCs: Adding ExpressCard and CardBus slots to desktop computers.
• Embedded Systems: Providing ExpressCard and CardBus connectivity for embedded applications.
• Industrial PCs: Enabling the use of ExpressCard and CardBus expansion cards in industrial PCs.
• Adapter Cards: Creating PCI Express to ExpressCard/CardBus adapter cards.
• Legacy System Support: Enabling the use of older CardBus cards on newer systems.

Features

• PCI Express Interface: Connects to the host system via PCI Express.
• ExpressCard Support: Supports ExpressCard interface for modern expansion cards.
• CardBus Support: Supports CardBus (PCMCIA) interface for legacy expansion cards.
• Single-Chip Solution: Integrates both ExpressCard and CardBus functionality into a single chip.
• Hot-Plugging Support: Allows cards to be added or removed without powering down the system.

Benefits

• Extends System Capabilities: Allows systems to utilize a wide range of ExpressCard and CardBus expansion cards.
• Legacy Support: Enables the use of older CardBus cards on newer systems.
• Simplified System Design: Reduces component count by integrating both interfaces into a single chip.
• Improved Connectivity: Provides flexible connectivity options for various expansion cards.
• Easy Integration: Relatively easy to integrate into various systems.

Additional Details

The JMB387-LGAZ0A utilizes the PCI Express interface for host connectivity. It supports hot-plugging for both ExpressCard and CardBus devices. Power management features are included to conserve energy. Detailed technical specifications can be found in the JMicron datasheet.