MRF49XAT-I-ST Datasheet, PDF (8/102 Pages) Microchip Technology – ISM Band Sub-GHz RF Transceiver

MRF49XA
FIGURE 1-1:
Antenna
FUNCTIONAL NODE BLOCK DIAGRAM
MRF49XA
RF Block
Matching
Circuitry
RFP
RFN
PA/LNA
and
PLL/CLK
Block
Baseband
Amplifier/
Filter/
Limiter
Data
Processing
Unit
MCU
Interface
Power
Management
Memory
10 MHz
SPI
Signals
Other
Handshaking
Signals
FIGURE 1-2:
MICROCONTROLLER TO MRF49XA INTERFACE
PIC® MCU
INT
I/O/SS
MRF49XA
I_R_O
CS
SDO
SDI
SDI
SDO
SCK
SCK
I/O
INT/DIO*
I/O
RESET*
I/O
FSK/DATA/FSEL*
OSC1
CLKOUT*
I/O
RCLKOUT/FCAP/FINT*
* Implies optional signals.
DS70590C-page 8
Preliminary
© 2009-2011 Microchip Technology Inc.