KSZ8895RQXC

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KSZ8895RQXC is a family of high-performance, low-power, 0.13μm CMOS single-chip 5-port Ethernet switch microcontrollers. It is ideal for digital home, access gateways, routers, set-top boxes, residential gateways, and digital media servers applications. KSZ8895RQXC provides a complete, highly integrated, low cost, and low power solution that features the most advanced features and performance available.

Application Field

The KSZ8895RQXC is well-suited for a variety of application fields due to its high level of performance and low power consumption. These fields include:

• Networking & Copper and Fiber Media Converters
• Wireless AP/Connections and Routers
• Security & Storage Equipment
• Industrial and Medical Systems
• Security and Monitoring Systems
• Broadband Moving AP, DSLAM/CPE

Working Principle

The KSZ8895RQXC is an integrated single-chip 5-port Ethernet switch that enables cost-effective, high-performance networking applications. The chip features a built-in, high-speed on-chip memory controller that is capable of supporting multiple memory technologies such as DDR2, DDR3, DDR3L, and GDDR3. Additionally, the chip offers advanced media access control (MAC) layer and supporting functions such as flow control, link management, queue management, and traffic management.

At the physical layer, the KSZ8895RQXC supports 10/100/1000Base-T, 1000Base-X with IEEE 802.3z, 802.3p, 802.3ab, GBIC/SFP+, USB2.0, and SATA. The device also supports 5-port MDI/MDI-X auto-negotiation and auto-MDI/MDI-X switching. The chip comes with a full set of features, including but not limited to, remote network access, IEEE 802.1Q VLANs, IEEE 802.1s mesh, IEEE 802.1X port security, IEEE 802.3x flow control and IEEE 1588v2 PTP support, as well as proprietary services.

The device also integrates an integrated switch fabric that enables high-speed connections between the ports. It supports up to four port queues and can be used with up to four external host interface ports (UART, SPI, I2C, etc.) for interfacing with external devices. Additionally, the chip includes a 1024-bit on-chip QoS memory for storing packet info and MAC address info for each of the ports.

The KSZ8895RQXC supports an advanced management interface that enables remote access and control of the device. The management interface includes an integrated web server, SNMPv2, BOOTP, DHCP, telnet, console, and a variety of remote configuration tools. This interface allows users to configure the device via a web or Telnet/SSH connection and also allows remote debugging and troubleshooting of the device.

The KSZ8895RQXC also supports robust security features, including IEEE 802.1X port-based authentication and traffic control, Access Control List (ACL) on each port, packet filtering, and queue-based packet shaping. The chip also supports IPSEC and IEEE 802.11i wireless security protocols.

Overall, the KSZ8895RQXC is an extremely versatile, powerful, and cost-effective solution for an array of applications. The integrated switch fabric, on-chip memory controller, and advanced management interface enable an extremely low power and low cost solution for Ethernet-enabled devices.

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