Full-Resolution HD 3DTV Set-top Box SoC Solution

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Broadcom’s BCM7421 is a high-definition full-resolution 3DTV Set-top Box System-on-a-Chip solution designed for residential video gateways.
Produced in 40 nm process technology, the BCM7421 is a high-definition full-resolution 3DTV Set-top Box SoC solution designed for residential video gateways. It features a 1.3-GHz multithreaded MIPS® processor with the latest transmission-efficient H.264/MPEG Scalable Video Coding (SVC), and Multiview Video Coding (MVC) standards for enabling 1080p60/50 content distribution and full-resolution HD 3DTV and a 1G-pixel-per-second OpenGL® ES 2.0 3D Graphics Processing Unit (GPU) for advanced 3D graphics acceleration.


  • 5G WiFi delivers high-capacity, advanced error-correction and interoperable beam-forming technology to significantly improve wireless coverage and eliminate dead spots in a subscriber's home, reducing the instances of costly support calls or truck rolls
  • Coupled with the dramatic power savings that 5G WiFi delivers for mobile devices, Miracast™ support allows content to seamlessly come alive on the big screen
  • Integrates both the STB and wireless chips in an ultra-small-form-factor design
  • Includes optimized internal antenna design within a compact case that can be mounted horizontally or vertically
  • Small form factor and wireless capability allow for simple setup and placement anywhere in the home, enabling easy customer install


  • HDTV
  • Set-Top Boxes
  • Home Gateways 

Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
Market Segment UHDTV


Multichannel DVB-S2 Home Gateway SoC


Standard-Definition Satellite System on a Chip


40 nm ISDB-T Receiver with Integrated Tuner