Description
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.
Features
■ 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/Y and RGB inputs, average clamp on C Inputs
– Bandwidth: 15 MHz
– Crosstalk: 50 dB minimum
■ Audio Section
– 4 stereo inputs, 3 stereo outputs
– 1 mono-sound output
– stereo-to-mono sound capability
– 0/6/9 dB selectable gain on one stereo input
– Full range volume control with soft control
– Audio muting on all outputs
STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends.