产品特点 Features

• 2.1 Principal features

  • Receive and transmit CEC messages with compliant Signal Free Time handling
  • I²C-bus interface to host supporting 100 kbit/s and 400 kbit/s communication
  • Supports multiple CEC logical addresses
  • Supports CEC messages up to 16 bytes in length
  • Programmable retry count
  • Comprehensive arbitration and collision handling
  • 3.0 V to 3.6 V VDD operating range
  • Automatic Idle mode to reduce power consumption when there is no message on CEC line and I²C-bus
  • I/O pins are 5 V tolerant

  2.2 Additional features

  • Processor with embedded software to control the interface between CEC line and I²C-bus
  • Active-LOW reset input and on-chip power-on reset allows operation without external reset components. A reset counter and reset glitch suppression circuitry prevent spurious and incomplete resets.
  • On-chip oscillator for 12 MHz crystal
  • Schmitt trigger port inputs

应用

• All devices using an HDMI connector
• YCB CR or RGB high-speed video digitizer
• Projector, plasma and LCD TV
• Rear-projection TV
• High-end TV
• Home-theater amplifier
• DVD recorder

产品实物图