FN-LINK TECHNOLOGY LIMITED 3131A-S User Manuals

Table of Contents

• 1. Introduction

  1
• 2. Features

  2
• 3. General Specification

  2
• 3.1 General Specification

  2
• 4. WiFi RF Specification

  3
• 4.1 2.4GHz RF Specification

  3
• 5. Power Consumption

  5
• 6. Pin Assignments

  6
• 6.1 Pin Outline

  6
• 6.2 Pin Definition

  6
• 7. Dimensions

  8
• 7.1 Physical Dimensions

  8
• 7.2 Module Physical Dimensions

  9
• 7.3 Layout Recommendation

  10
• 8. Host Interface Timing Diagram

  11
• 8.1 SDIO Pin Description

  11
• 8.2 SDIO Default Mode Timing Diagram

  11
• 8.3 SDIO High Speed Mode Timing Diagram

  12
• 8.4 SDIO Bus Timing Specifications in SDR Modes

  13
• 9.Reference Design

  14
• 10.Recommended Reflow Profile

  15
• 11. Packing Information

  16