Table of Contents
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Contents
Safety Information ...................................................................................................................................... 3
About the Document .................................................................................................................................. 4
Contents ...................................................................................................................................................... 5
Table Index .................................................................................................................................................. 7
Figure Index ................................................................................................................................................ 8
1
Introduction ......................................................................................................................................... 9
1.1.
Special Mark .............................................................................................................................. 9
2
Product Concept ............................................................................................................................... 10
2.1.
General Description ................................................................................................................. 10
2.2.
Key Features ............................................................................................................................ 10
2.3.
Functional Diagram .................................................................................................................. 12
2.4.
Evaluation Board ...................................................................................................................... 12
3
Application Interfaces ...................................................................................................................... 13
3.1.
General Description ................................................................................................................. 13
3.2.
Pin Assignment ........................................................................................................................ 14
3.3.
Pin Description ......................................................................................................................... 15
3.4.
Power Supply ........................................................................................................................... 18
3.4.1.
Power on and off Scenarios .......................................................................................... 19
3.5.
WLAN Application Interface ..................................................................................................... 19
3.5.1.
WLAN_EN ..................................................................................................................... 20
3.5.2.
PCIe Interface ............................................................................................................... 20
3.6.
Bluetooth Application Interface ................................................................................................ 22
3.6.1.
BT_EN ........................................................................................................................... 22
3.6.2.
PCM Interface* .............................................................................................................. 22
3.6.3.
UART Interface .............................................................................................................. 23
3.7.
Control Signal Pins* ................................................................................................................. 24
3.7.1.
HOST_WAKEUP_BT and BT_WAKEUP_HOST .......................................................... 24
3.8.
Coexistence Interfaces ............................................................................................................ 25
3.8.1.
UART Coexistence Interface ......................................................................................... 25
3.9.
WLAN_SLP_CLK Interface* .................................................................................................... 25
3.10.
RF Antenna Interfaces .......................................................................................................... 26
3.10.1. Operating Frequency .................................................................................................... 26
3.10.2. Reference Design of RF Antenna Interfaces ................................................................ 26
3.10.3. Reference Design of RF Layout ................................................................................... 27
3.10.4. Antenna Requirements ................................................................................................. 29
3.10.5. Recommended RF Connector for Antenna Installation ................................................ 30
4
Reliability, Radio and Electrical Characteristic ............................................................................. 32
AF51Y_Hardware_Design
Wi-Fi&Bluetooth Module Series
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