XBee OEM RF Modules
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The XBee OEM RF Modules were engineered to meet IEEE 802.15.4 standards and support the unique needs of low-cost, low-power wireless sensor networks. The modules require minimal power and provide reliable delivery of data between devices. The modules operate within the ISM 2.4 GHz frequency band and are pin-for-pin compatible with each other. |
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Features.
- Long Range Data Integrity
- Indoor/Urban: up to 100 ft. (30 m.)
- Outdoor line-of-sight: up to 300 ft. (100 m.)
- Transmit Power: 1 mW (0 dBm)
- Receiver Sensitivity: -92 dBm
- Low Power
- TX Current: 45 mA (@3.3 V)
- RX Current: 50 mA (@3.3 V)
- Power-down Current: < 10 ?A
- ADC and I/O line support
- Analog-to-digital conversion
- Digital I/O
- I/O Line Passing
- Advanced Networking & Security
- Retries and Acknowledgements
- DSSS (Direct Sequence Spread Spectrum)
- Each direct sequence channels has over 65,000 unique network addresses available
- Source/Destination Addressing
- Unicast & Broadcast Communications
- Point-to-point, point-to-multipoint and peer-to-peer topologies supported
- Coordinator/End Device operations
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Pin Description
| Pin |
Name |
Description |
| 1 |
VCC |
Power supply |
| 2 |
DOUT |
UART Data Out |
| 3 |
DIN / CONFIG |
UART Data In |
| 4 |
DO8* |
Digital Output 8 |
| 5 |
RESET |
Module Reset (reset pulse must be at least 200 ns) |
| 6 |
PWM0 / RSSI |
PWM Output 0 / RX Signal Strength Indicator |
| 7 |
[reserved] |
Do not connect |
| 8 |
[reserved] |
Do not connect |
| 9 |
DTR / SLEEP_RQ* / DI8 |
Pin Sleep Control Line or Digital Input 8 |
| 10 |
GND |
Ground |
| 11 |
AD4* / DIO4* |
Analog Input 4 or Digital I/O 4 |
| 12 |
CTS / DIO7* |
Clear-to-Send Flow Control or Digital I/O 7 |
| 13 |
ON / SLEEP |
Module Status Indicator |
| 14 |
VREF* |
Voltage Reference for A/D Inputs |
| 15 |
Associate / AD5* / DIO5* |
Associated Indicator, Analog Input 5 or Digital I/O 5 |
| 16 |
RTS* / AD6* / DIO6* |
Request-to-Send Flow Control, Analog Input 6 or Digital I/O 6 |
| 17 |
AD3* / DIO3* |
Analog Input 3 or Digital I/O 3 |
| 18 |
AD2* / DIO2* |
Analog Input 2 or Digital I/O 2 |
| 19 |
AD1* / DIO1* |
Analog Input 1 or Digital I/O 1 |
| 20 |
AD0* / DIO0* |
Analog Input 0 or Digital I/O 0 |
* Functions not supported at the time of this release.
Design Notes.
- Minimum connections: VCC, GND, DOUT & DIN
- Minimum connections for updating firmware: VCC, GND, DIN, DOUT, RTS & DTR
- Signal Direction is specified with respect to the module
- Module includes a 50k ? pull-up resistor attached to RESET
- Several of the input pull-ups can be configured using the PE command
- Unused pins should be left disconnected
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