Datasheet

© 2009-2011 Microchip Technology Inc. Preliminary DS70590C-page 63
MRF49XA
FIGURE 3-12: LOGIC CONNECTIONS BETWEEN POWER CONTROL BITS
Edge
Detector
Enable Crystal
Oscillator
Enable Baseband
Circuits
(RF Synthesizer
must be ON)
Enable RF Front
End
Enable RF
Synthesizer
(Crystal Synthesizer
must be ON)
(If TX latch is used)
Clear TX Latch
Start TX
Enable Power
Amplifier
TXCEN
SYNEN
RXCEN
BBCEN
OSCEN
PA
TX Latch
VCO and PLL
Crystal Oscillator
LNA
I/Q
Demod.
Digital Signal
Processing
Enable RF Front End
Enable Power
Amplifier
Enable RF
Synthesizer
Start TX
Clear TX Latch
Enable Crystal
Oscillator
Enable Baseband
Circuits