技术特性

• I²C bus control
• Standby mode with interrupt signal output
• Video section
  • 3 CVBS inputs, 2 CVBS outputs
  • 3 Y/C inputs, 2 Y/C outputs
  • Switchable LPFs (low pass filters) on 6 inputs
  • 6 dB gain on all CVBS/Y and C outputs
  • Integrated 150 Ω buffers
  • 2 RGB/FB inputs, 1 tri-state RGB/FB output with 6 dB adjustable gain (from +3 dB to +9 dB)
  • 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
  • SVHS switch on C VCR output
  • Bandwidth: 15 MHz
  • Crosstalk: 50 dB minimum
• Audio section
  • 3 stereo inputs, 3 stereo outputs
  • 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

功能框图