mrf89xa Microchip Technology Inc., mrf89xa Datasheet - Page 9

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

FIGURE 1-2:
Note:
Antenna
The interface between the MRF89XA and the MCU depends on the Data mode of operation. For more information refer to Section 3.8 “Data
Processing”.
Saw
Filter
MRF89XA TO MICROCONTROLLER INTERFACE (NODE) BLOCK DIAGRAM
Matching
Circuitry
Block
PARS
RFIO
Circuits
Management
RF
Block
Loop
Filter
Power
Crystal Frequency = 12.8 MHz
RF Block
Baseband
Amplifier/
Limiter
Filter/
Circuit
Block
Tank
Memory
Processing
Data
Unit
MRF89XA
Interface
Control
CLKOUT
CSCON
PLOCK
CSDAT
DATA
IRQ0
IRQ1
SDO
SCK
SDI
I/O
I/O
SDO
SDI
SCK
INT0
INT1
I/O
I/O
OSC1
PIC
®
MCU