The Realtek RTL8328S-GR is a highly integrated 8-port Fast Ethernet switch controller designed for small to medium-sized network applications. It integrates all essential functions into a single chip, offering a cost-effective and space-saving solution for Ethernet switching.

Applications:

• Small Office/Home Office (SOHO) Ethernet switches
• Desktop switches
• Network Interface Cards (NICs)
• Embedded systems requiring Ethernet connectivity
• IPTV set-top boxes

Features:

• Integrated 8-port 10/100Mbps Fast Ethernet switch
• Supports non-blocking wire-speed forwarding
• Embedded address lookup engine, supporting up to 2K MAC addresses
• Supports IEEE 802.3x full-duplex flow control
• Supports port-based VLAN and IEEE 802.1Q VLAN tagging
• Quality of Service (QoS) support for prioritizing network traffic
• Integrated PHYs for all ports, reducing external component count
• Auto-MDI/MDIX support on all ports
• Supports IGMP snooping for multicast traffic optimization
• Loop detection and prevention
• LED indicators for link, activity, and speed
• EEE (Energy Efficient Ethernet) support (IEEE 802.3az)
• Management interface via MII/RMII
• Compact package for space-constrained designs

Benefits:

• Cost-effective solution for Fast Ethernet switching
• High performance with wire-speed forwarding
• Reduced board space and BOM cost with integrated PHYs
• Improved network performance with VLAN and QoS
• Lower power consumption with EEE support
• Enhanced network reliability with loop detection
• Easy configuration and management

Additional Details:

The RTL8328S-GR offers advanced features such as VLAN tagging, allowing network administrators to segment the network for improved security and performance. QoS ensures that critical traffic, such as voice and video, is prioritized over less important data. The integrated PHYs simplify the design and reduce the overall system cost. The device is designed to comply with IEEE 802.3 standards for Ethernet, ensuring interoperability with other network devices. Its MAC address table enables efficient packet forwarding by learning and storing the MAC addresses of connected devices. The Auto-MDI/MDIX feature eliminates the need for crossover cables, simplifying network installation. Furthermore, the EEE support reduces power consumption during periods of low network activity, making it an environmentally friendly solution. The device is commonly used in both managed and unmanaged switch applications.