SLLA598 October   2022 TDP1204 , TMDS1204

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2HDMI2.1 Key Features
    1. 2.1 Bandwidth
    2. 2.2 Dynamic HDR
    3. 2.3 Auto Low-Latency Mode
    4. 2.4 Variable Refresh Rate
    5. 2.5 Quick Frame Transport
    6. 2.6 Quick Media Switching
    7. 2.7 Enhanced Audio Return Channel
  5. 3TDP1204 and TMDS1204
    1. 3.1 TMDS1204 Fan-Out Buffer
    2. 3.2 TMDS 1204 SIGDET_OUT
    3. 3.3 TMDS1204 DC Gain Adjustment
    4. 3.4 TDP1204 DDC Buffer
  6. 4Summary
  7. 5References

1 Introduction

HDMI2.0 was introduced in 2013. It features maximum bandwidth up to 18 Gbps that can support resolutions up to 4K@60Hz. But as display technology continues to advance, a new standard is needed. HDMI2.1, introduced in 2017, pushed the maximum bandwidth from 18 Gbps to 48 Gbps, while maintain backward compatibility with the existing HDMI specification. Below are some of the HDMI2.1 key features.