MRF49XA Datasheet, PDF (10/102 Pages) Microchip Technology – ISM Band Sub-GHz RF Transceiver

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