SDAA529 September   2026 MSPM33C321A

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Detailed Description
    1. 2.1 QSPI Controller Overview
    2. 2.2 Hardware Connection to External NOR Flash
    3. 2.3 Software Configuration
      1. 2.3.1 Driver Initialization and Flash Identification
      2. 2.3.2 Enabling Quad Mode and Programming the Flash
      3. 2.3.3 DMA-Based Quad Read
    4. 2.4 Measured Performance: Flash Read With SPI Streaming
    5. 2.5 Application Use Cases
      1. 2.5.1 Optical Modules
      2. 2.5.2 Display Applications
      3. 2.5.3 Audio Storage and Playback
  6. 3Summary
  7. 4References
Application Note

QSPI Usage on External Flash