The P82586-10 is a Local Area Network (LAN) Coprocessor manufactured by Intel. It's designed to handle the data communication tasks required for Ethernet networks, relieving the main processor of these duties. This chip is a crucial component in network interface cards (NICs) and embedded systems that require Ethernet connectivity. The P82586-10 is an older generation controller, but it provides essential functions for network communications in legacy systems and specialized applications.

Applications:

• Ethernet network interface cards (NICs)
• Embedded systems requiring Ethernet connectivity
• Industrial automation equipment
• Legacy computer systems
• Networking test equipment

Features:

• Supports IEEE 802.3 Ethernet standard
• 10 Mbps data transfer rate
• CSMA/CD access method
• On-chip DMA controller
• Supports various network topologies (e.g., bus, star)
• Programmable frame formats
• Interrupt generation
• Manchester encoding/decoding

Benefits:

• Dedicated network processing: Offloads network communication tasks from the main CPU, improving overall system performance.
• Standard Ethernet support: Complies with the IEEE 802.3 standard, ensuring compatibility with existing Ethernet networks.
• DMA controller: Enables efficient data transfer between the network and system memory.
• Flexible configuration: Programmable frame formats allow adaptation to different network protocols.
• Cost-effective solution: Provides a reliable and affordable Ethernet connectivity solution for older systems and specific applications.

Additional Details:

The P82586-10 communicates with the host processor via a parallel interface. It handles collision detection and retransmission automatically. The chip's internal DMA controller facilitates high-speed data transfer with minimal CPU intervention. The P82586-10 requires an external transceiver to connect to the physical Ethernet cable. The operating temperature range is typically 0°C to +70°C. It comes in a DIP or PLCC package for easy integration into various board designs. The P82586 family provides a complete solution for Ethernet connectivity, including frame handling, address recognition, and error detection.