3131
A-S
FN-LINK TECHNOLOGY LIMITED
1
Proprietary & Confidential Information
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
