An ADSL2 and VDSL2 CPE System-on-Chip with Integrated Voice over IP Capabilities for Residential Gateway Applications

This paper describes an SoC design for ADSL2/VDSL2 CPE Residential Gateways. The chip enables Triple Play: Data, Voice and Video over DSL along with bridging/routing capabilities. This 90nm CMOS technology chip integrates high speed data converters, DSL PHY, 4-VOIP channel Voice subsystem, MIPS based broadband controller and a range of networking peripherals.