3.7.1.3 SPDT RF Switch Registers
The RF front-end registers shown in the following table are used by the SPDT RF switch. They are controlled by firmware during the power-up and power-down of RXMode, TXMode and PollingMode. Changing these registers by customer application software is not recommended.
Register |
Function |
---|---|
FEEN2.SDRX |
Single pole double throw (SPDT) switch RX |
FEEN2.SDTX |
Single pole double throw (SPDT) switch TX |
FEEN2.XTPEN |
XTO Vpump enable (gate control voltage of the switch) |
FECR.ANDP |
Antenna damping |
FESR.LBSAT |
Indicates the Low-Band LNA saturation |
FESR.HBSAT |
Indicates the High-Band LNA saturation |