Xbee/Xbee-Pro Module Operation; Serial Communications For The Xbee Rf Module; Xbee Uart Data Flow - Digi XBee User Manual

Digimesh 2.4 rf modules

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XBee/XBee-PRO

DigiMesh 2.4 User Manual

XBee/XBee-PRO Module Operation

The XBee module provides a serial interface to an RF link. The XBee module converts serial data

to RF data that is sent to any device in an RF network. In addition to RF data communication

devices, the XBee module provides a software interface for interacting with a variety of

peripheral functions, including I/O sampling, commissioning and management devices. The

following diagram illustrates the functionality of the XBee module.

Functionality of the XBee/XBee-PRO DigiMesh 2.4 RF Module

The XBee-PRO RF Modules interface to a host device through a logic-level asynchronous serial

port. Through its serial port, the module can communicate with any logic and voltage compatible

UART, or through a level translator to any serial device (for example, through a Digi proprietary

RS-232 or USB interface board).

Devices that have a universal asynchronous receiver/transmitter (UART) interface can connect

directly to the pins of the RF modules as shown in the figure below.

System data flow diagram in a UART-interfaced environment (low-asserted signals distinguished with

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Xbee-pro