产品特点 Features

• Complies with the HDMI 1.4a, DVI 1.0, EIA/CEA-861D and HDCP 1.3 standards
• Four independent DVI/HDMI inputs, up to 2.25 gigasamples per second
• Pin compatible with TDA9996/TDA9995
• Robust auto-adaptive equalizer (up to 20 m AWG26 at 2.25 Gbit/s)
• Robust auto-adaptive equalizer (up to 30 m AWG24 at 1.5 Gbit/s)
• Integrated 50 Ω single-ended termination resistors
• +5 V signal detection for each HDMI input
• Supports color depth processing at 24-bit, 30-bit or 36-bit per pixel
• Supports all Data Island packets
• Activity detection on each input, manages output activity and power consumption
• Extended mode: re-generate output TMDS waveform removing jitter and skew
• Frequency measurement allowing direct reading of format/resolution
• Automatic mode for main features:
  • Automatic Hot Plug Detect (HPD) generation and termination resistors management
  • Automatic HPD generation with programmable duration
  • Automatic EDID load
• Display Data Channel (DDC) bus:
  • 5 V tolerant, DDC-bus inputs with bit rates up to 400 kbit/s
  • One DDC-bus output with the same latency as the HDMI stream pipeline delay
  • DDC-bus master switch functionality avoids bus corruption
  • DDC-bus level-shifting buffer with digital lock-up protection
  • A fifth DDC-bus input available for VGA or second HDMI input of SoC
• I2C-bus controllable at bit rates up to 400 kbit/s
• Non-volatile memory for switch management (Hot Plug Detect, Power-down)
• Non-volatile storage for EDID’s allowing easy loading
• Embedded Extended Display Identification Data (EDID) memory:
  • 253-byte shared and 3-byte of dedicated EDID memory per HDMI input
  • Non-volatile memory for programming default EDID content
  • Supports sources without +5 V
  • 5 embedded EDID memory supplied by +5 V from HDMI source
  • An extra 128-byte blocks for DVI or PC formats
  • EDID update by I2C-bus, example for AVR applications
• Fail-safe output in Idle mode
• Mute pin preventing from pop noise/image noise
• ATC/Rx compliant for 36-bit Deep Color 1080p 60 Hz
• ATC/Tx eye diagram compliant for 36-bit Deep color 1080p 60 Hz
• Programmable slave address for easy cascade approach
• Ready for HDMI Audio return Channel (HDMI 1.4a features refer to AN907)
• 3.3 V and 1.8 V power supplies
• Additional ESD protection pin for CEC line
• ESD protection:
  • HBM: class 2
  • MM: class B
  • FCDM: class IV
  • IEC 61000-4-2 class 3 for HDMI inputs
• Power-down mode with dedicated pin
• CMOS process
• Lead (Pb) free LQFP100 14 × 14 × 1 mm package, pitch 0.5 mm

应用

• HDTV (plasma, Rear projection TV and LCD TV)
• YCbCr or RGB Hi-Speed video digitizer
• Projector
• Home theater
• AVR
• Switch box

产品实物图