Preface

About this guide and technical support information.

About this document

This document is intended to:

  • introduce the 40-pin header.

  • provide instructions to configure and debug GPIO, I2C, SPI, PWM, and UART.

  • provide peripheral examples to use the 40-pin GPIO header.

Revision History

Table 1. Revision History
Version Released Revision
V1 2021-12-08 The first official release.
V1.1 2021-12-27
  • Updated the command and improved the description in the Generating dtb section.
  • Added a note in the GitHub Repository section.
V1.2 2022-05-05 Updated the download link for the 2inch LCD Module Example.

Notes and notices

The following notes and notices might appear in this guide:
  • Tip: Suggests how to apply the information in a topic or step.
  • Note: Explains a special case or expands on an important point.
  • Important: Points out critical information concerning a topic or step.
  • CAUTION: Indicates that an action or step can cause loss of data, security problems, or performance issues.
  • Warning: Indicates that an action or step can result in physical harm or cause damage to hardware.