FIGURE 2-1:
MRF49XA ARCHITECTURAL BLOCK DIAGRAM
LNA
MIX
I
Cal
AMP Ckt
7
RCLKOUT/
FCAP/FINT
RFN
RFP
13
12
Self Calibration
I/Q
DEMOD
Data Filtering
and Clock
Recovery Unit
CLK
DATA
6
____
FSK/DATA/
FSEL
MIX
Q
Cal
AMP Ckt
FIFO
PA
PLL and I/Q VCO with
Calibration
PA/LNA and PLL/CLK
Block
RSSI
Baseband Amplifier/Filter/Limiter
Block
Comparator
DQI
AFC
Data Processing Block
CLK
OSC
WUTM
with
calibration
LBDB
Microcontroller Interface Block
Power
Supply Block
Clock Block
Low-Power Block
8
9
15
1
2
3
4
5
10
16
11
14
CLKOUT
RFXTL/
RSSIO
SDI
SCK
__
CS
SDO
IRO
RESET INT/DIO
V SS
V DD
EXTREF
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