MRF49XA Datasheet, PDF (63/102 Pages) Microchip Technology – ISM Band Sub-GHz RF Transceiver

FIGURE 3-12:
LOGIC CONNECTIONS BETWEEN POWER CONTROL BITS
Enable Power
Amplifier
TXCEN
SYNEN
Start TX
Edge
Detector
Clear TX Latch
(If TX latch is used)
Enable RF
Synthesizer
(Crystal Synthesizer
must be ON)
RXCEN
Enable RF Front
End
BBCEN
Enable Baseband
Circuits
(RF Synthesizer
must be ON)
Enable Power
Amplifier
PA
Enable RF
Synthesizer
VCO and PLL
Start TX
Clear TX Latch
TX Latch
Enable Crystal
Oscillator
Crystal Oscillator
OSCEN
Enable Crystal
Oscillator
LNA
Enable RF Front End
I/Q
Demod.
Enable Baseband
Circuits
Digital Signal
Processing