Product Info

RTL8822CE RTL8822CU RTL8822CS COB TSSI MP FLOW
©2019 Realtek Semiconductor Corp.
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4.3.3. Shift Tx Level
After finished “Calibrate Tx power to target power” and “Calibrate Tx power flatness”, then
use the table below to set the target Tx power for different antenna paths. Please refer “7.4. :
Bluetooth Tx power table”.
The Offset Tx power to RAM command show as:
Step 1 : Get TX power level:
bt_mp_Exec 38
bt_mp_Report 17
Step 2 : Set TX power level to ram:
(1M=0x38);(2M=0x3F);(3M=0x3F),(BLE1M=0x38),(BLE2M=0x38)
bt_mp_SetParam 18,0x38,0x3F,0x3F,0x38,0x38;
bt_mp_Exec 51
4.3.4. Calibration thermal meter
Normal driver will load thermal meter to do power tracking. So this value must be filled in
correct eFuse location. Use the command below to read Bluetooth thermal meter once.
For Linux/Android platform to get the thermal value from device.
bt_mp_Report 7
*Note: The Thermal Value is RAW Data of Realtek define