mrf89xa Microchip Technology Inc., mrf89xa Datasheet - Page 59

• Manufacturer Part Number: mrf89xa
• Description: Ultra-low Power, Integrated Ism Band Sub-ghz Transceiver
• Manufacturer: Microchip Technology Inc.

3.0
The functional block diagram of the MRF89XA is
illustrated in Figure 3-1. The functional operations of
individual blocks are explained in subsequent sections.
FIGURE 3-1:
© 2010 Microchip Technology Inc.
OSC1
OSC2
PARS
RFIO
FUNCTIONAL DESCRIPTION
LNA
XO
PA
MRF89XA FUNCTIONAL BLOCK DIAGRAM
LO1 RX
Frequency Synthesizer
Q
I
LO1 TX
LO2 RX
Preliminary
Q
Q
I
I
Generator
RSSI
LO2 TX
LO2 TX
LO
Q
Q
Q
I
I
I
LO1 RX
LO2 RX
LO1 TX
LO2 TX
Demod
Demod
OOK
FSK
Waveform
Generator
BitSync
MRF89XA
Control
DS70622B-page 59
IRQ0
IRQ1
SDI
SDO
SCK
CSCON
CSDAT
CLKOUT
DATA
TEST<8:0>
PLOCK