User's Manual

© 2011 Microchip Technology Inc. Preliminary DS00000A-page 1
MRF89XAM9A
Features
• Module designed from the MRF89XA Integrated
Ultra Low-Power, Sub-GHz Transceiver IC.
• Supports MiWi™ Development Environment
Proprietary Wireless Networking Protocols
• 4-Wire Serial Peripheral Interface (SPI) with
Interrupts
• Small Size: 0.7" x 1.1" (17.8 mm x 27.9 mm),
Surface Mountable — Pin compatible with
MRF89XAM9A
• Integrated Crystal, Internal Voltage Regulator,
Matching Circuitry and Printed Circuit Board
(PCB) Antenna
• Easy Integration into Final Product — Minimize
Product Development, Quicker Time to Market
• Compatible with Microchip’s Microcontroller
Families (PIC16, PIC18, PIC24, dsPIC33 and
PIC32)
• Radio Regulation Certified for United States
(FCC), Canada (IC) and Australia/New Zealand
(C-TICK)
Operational
• Operating Voltage: 2.1–3.6V (3.3V typical)
• Temperature Range: -40°C to +85°C Industrial
• Low-Current Consumption:
- Rx mode: 3 mA (typical)
- Tx mode: 25 mA at +10 dBm (typical)
- Sleep: 0.1 µA (typical)
RF/Analog Features
• ISM Band 902–928 MHz Operation
• Modulation: FSK and OOK
• Data Rate (to conform to FCC and IC regulations):
- FSK: 50–200 kbps
- OOK: 16 kbps
• Reception sensitivity
- FSK: -107 dBm (typical) at 50 kbps
- OOK: -113 dBm (typical) at 2 kbps
• +10 dBm Typical Output Power with 21 dB Tx
Power Control Range
Media Access Controller (MAC)/
Baseband Features
• Packet handling feature with data whitening and
automatic CRC generation
• Incoming sync word (pattern) recognition
• Built-in bit synchronizer for incoming data, and clock
synchronization and recovery
• 64-byte transmit/receive FIFO with preload in Stand-by
mode
• Supports Manchester encoding/decoding
techniques
Pin diagram
2
3
4
5
6
1
7
V
IN
GND
8
9
10
RESET
CSCON
SDO
SDI
SCK
CSDATA
IRQ1
GND
IRQ0
12
11 GND
915 MHz Ultra Low-Power Sub-GHz Transceiver Module