XBP09-DPUIT-156 Digi International, XBP09-DPUIT-156 Datasheet - Page 23

• Manufacturer Part Number: XBP09-DPUIT-156
• Description: MODULE XBEE PRO W/U.FL
• Manufacturer: Digi International
• Series: XBEE-PRO™r

Specifications of XBP09-DPUIT-156

• Frequency: 902MHz ~ 928MHz
• Data Rate - Maximum: 156kbps
• Modulation Or Protocol: FHSS
• Applications: ISM
• Power - Output: 17dBm (50mW)
• Sensitivity: -100dBm
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Receiving: 80mA
• Current - Transmitting: 210mA
• Data Interface: PCB, Through Hole
• Antenna Connector: U.FL
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 602-1168

XBee‐PRO® 900 RF Modules
Periodic I/O Sampling
Digital I/O Change Detection
Periodic sampling allows an XBee-PRO 900 module to take an IO sample and transmit it to a
remote device at a periodic rate. The periodic sample rate is set by the IR command. If IR is set to
0, periodic sampling is disabled. For all other values of IR, data will be sampled after IR
milliseconds have elapsed and transmitted to a remote device. The DH and DL commands
determine the destination address of the IO samples. Only devices with API mode enabled will
send IO data samples out their UART. Devices not in API mode will discard received IO data
samples.
A module with sleep enabled will transmit periodic IO samples at the IR rate until the ST time
expires and the device can resume sleeping. See the sleep section for more information on sleep.
Modules can be configured to transmit a data sample immediately whenever a monitored digital IO
pin changes state. The IC command is a bitmask that can be used to set which digital IO lines
should be monitored for a state change. If one or more bits in IC is set, an IO sample will be
transmitted as soon as a state change is observed in one of the monitored digital IO lines. The
figure below shows how edge detection can work with periodic sampling.
Example
0x0124\r
© 2009 Digi International, Inc.
[Analog input ADIO 1=0x120]
Sample AT Response
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