SNLA499 October   2026 DS90UB926Q-Q1 , DS90UB927Q-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Regarding Design for Low-Resolution / Low-Frame-Rate Displays
    1. 2.1 How to Calculate Pixel Clock
    2. 2.2 How to Design Low-Resolution Displays Using DS90UB926-Q1 and DS90UB927-Q1
      1. 2.2.1 Pin Control or Register Override
  6. 3Debug Guide
    1. 3.1 Correct Configuration of Low Frequency Mode [LF Mode]
    2. 3.2 I2C Communication
      1. 3.2.1 I2C Fundamental Frequency Modification
      2. 3.2.2 I2C Watchdog Mechanism
      3. 3.2.3 DS90UB927Q-Q1 Auto-ACK Mechanism
    3. 3.3 Signal Integrity Testing
  7. 4Reference Documents

3.2 I2C Communication