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4 + 2-Port Router-on-a-Chip Switch with Transceivers, Hardware NAT Engine, ACL/QCL, and ARM9™ CPU Core

The G-RocX™ VSC7501, a complete 4 + 2-port GbE router-on-a-chip, integrates into a single device the features critical to GbE gateway products supporting triple play and other high-speed broadband services. To reduce chip count and associated BOM cost, the VSC7501 includes four triple-speed copper PHY ports, line-side termination resistors, PLLs, a custom hardware-based network address translation (HNAT) engine, ARM9™ CPU, voltage regulators, a UART, two USB 2.0 interfaces, and a PCI port. Each port enables advanced quality of service (QoS) classification through a highly configurable QoS control list, which can prioritize high-quality voice, video, and data applications to ensure low latency and jitter for sensitive real-time protocols. It also has two embedded Vitesse EcoEthernet, energy-efficient features that deliver green savings equivalent to over 400mW per port. The first, ActiPHY™, enables an automatic power savings mode that can detect unused Ethernet ports on network devices and power them down or place them in stand-by mode. The second, PerfectReach™, an intelligent algorithm, actively adjusts the power level needed based on cable length, saves energy for links shorter than the full 100 meters of cable length specified by IEEE standards.

Product Variants	Description
VSC7501XHY	512-pin 31 x 31 mm BGA lead-free second-level interconnect, 0 ˚C to 100 ˚C, USB feature
VSC7501XHY-01	512-pin 31 x 31 mm BGA lead-free second-level interconnect, 0 ˚C to 100 ˚C