STV6412A - ST Microelectronics

STV6412A AUDIO/VIDEO SWITCH MATRIX

The STV6412A is a highly integrated I²C bus-controlled audio and video switch matrix, optimized for use in digital set-top box applications. It provides all the audio and video routings required in a full two SCART set-top box design. September 2003 1/24 1 Table of Contents 1 GENERAL OVERVIEW . . . . .

Features

s s s s I²C Bus Control Standby Mode with Interrupt Signal Output Video Section
  – 4 CVBS Inputs, 3 CVBS Outputs (one with Selectable Chroma Trap Filter)
  – 3 Y/C Inputs, 2 Y/C Outputs
  – 6 dB Gain on all CVBS/Y and C Outputs
  – Integrated 150 Ω Buffers
  – 1 Y/C Adder
  – 2 RGB/FB Inputs, 1 Tri-state RGB/FB Output with 6 dB Adjustable Gain (from +3dB to +9dB)
  – Video Muting on all Outputs
  – 2 Slow Blanking Inputs/Outputs
  – Sync Bottom Clamp on all CVBS/Yand RGB Inputs, Average Clamp on C Inputs
  – Bandwidth: 15 MHz
  – Crosstalk: 50 dB Minimum Audio Section
  – 4 Stereo Inputs, 3 Stereo Outputs
  – 1 Mono.