SLAAEQ8 February   2025 MSPM0C1103 , MSPM0C1103-Q1 , MSPM0C1104 , MSPM0C1104-Q1 , MSPM0C1105 , MSPM0C1106 , MSPM0G1105 , MSPM0G1106 , MSPM0G1107 , MSPM0G1505 , MSPM0G1506 , MSPM0G1507 , MSPM0G1518 , MSPM0G1519 , MSPM0G3105 , MSPM0G3105-Q1 , MSPM0G3106 , MSPM0G3106-Q1 , MSPM0G3107 , MSPM0G3107-Q1 , MSPM0G3505 , MSPM0G3505-Q1 , MSPM0G3506 , MSPM0G3506-Q1 , MSPM0G3507 , MSPM0G3507-Q1 , MSPM0G3518 , MSPM0G3518-Q1 , MSPM0G3519 , MSPM0G3519-Q1 , MSPM0H3216 , MSPM0L1117 , MSPM0L1227 , MSPM0L1227-Q1 , MSPM0L1228 , MSPM0L1228-Q1 , MSPM0L1303 , MSPM0L1304 , MSPM0L1304-Q1 , MSPM0L1305 , MSPM0L1305-Q1 , MSPM0L1306 , MSPM0L1306-Q1 , MSPM0L1343 , MSPM0L1344 , MSPM0L1345 , MSPM0L1346 , MSPM0L2227 , MSPM0L2228 , MSPM0L2228-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Laser Speckle Reduction
    2. 1.2 MSPM0 Requirements
  5. 2PWM
    1. 2.1 PWM Implementation
    2. 2.2 PWM Test Result
  6. 3PWM and GPIO
    1. 3.1 PWM and GPIO Implementation
    2. 3.2 Interrupt Time Calibration
    3. 3.3 PWM and GPIO Test Result
  7. 4Timer and GPIO
    1. 4.1 Timer and GPIO Implementation
  8. 5Summary
  9. 6References

1 Introduction

In projectors, there are several light source technologies. Among them, triple color laser is a projector light source technology with high brightness, wide color gamut and long life. Lasers have inherently high coherence. When lasers are irradiated onto optically rough surfaces, the coherent light interferes and produces a granular speckle pattern with light and dark transitions. Laser speckle affects the image contrast and resolution. Therefore, in three color projector application, laser speckle reduction technology is needed.