Product Info

RTL8822CE RTL8822CU RTL8822CS COB TSSI MP FLOW
©2019 Realtek Semiconductor Corp.
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Table of Contents
1. DUT MP Flow ........................................................................................................................... 7
2. Environment setup .................................................................................................................... 8
2.1. Test platform ................................................................................................................................. 8
2.2. CMD environment setup .............................................................................................................. 9
3. WiFi Mass Production Flow................................................................................................... 10
3.1. WiFi calibration .......................................................................................................................... 10
3.1.1. WiFi initialize .......................................................................................................................................... 10
3.1.2. Pre-heating .............................................................................................................................................. 11
3.1.3. Load default map to fake map from eFuse/Mask map files. ................................................................... 13
3.1.4. Crystal calibration ................................................................................................................................... 14
3.1.5. Tx index calibration and thermal ............................................................................................................. 17
3.1.5.1. Tx index location in eFuse ............................................................................................................. 17
3.1.5.2. Defined target power ..................................................................................................................... 19
3.1.5.3. Tx index calibration flow ............................................................................................................... 20
3.1.5.4. Tx index calibration command and sample ................................................................................... 21
3.1.5.4.1. Interpolation for finding Tx index ............................................................................................ 22
3.1.5.4.2. The Tx power difference .......................................................................................................... 23
3.1.6. Thermal meter ......................................................................................................................................... 25
3.2. WiFi performance verification .................................................................................................. 26
3.2.1. Tx performance verification .................................................................................................................... 26
3.2.1.1. Tx performance verification criterion ............................................................................................ 26
3.2.1.2. Verify Tx performance .................................................................................................................. 29
3.2.2. Rx performance verification .................................................................................................................... 30
3.2.2.1. Rx performance verification criterion ............................................................................................ 30
3.2.2.2. Verify Rx performance .................................................................................................................. 31
4. Bluetooth Mass Production Flow ........................................................................................... 33
4.1. Bluetooth device environment setup ......................................................................................... 34
4.1.1. Android OS ............................................................................................................................................. 34
4.1.2. Linux OS ................................................................................................................................................. 35
4.2. Bluetooth device initial ............................................................................................................... 36
4.3. Bluetooth calibration .................................................................................................................. 38
4.3.1. Calibration Tx gain K .............................................................................................................................. 41