Operate in API mode API frames
XBee®/XBee-PRO SX RF Module User Guide
144
RX Indicator frame - 0x90
Description
When a device configured with a standard API Rx Indicator (AO = 0) receives an RF data packet, it
sends it out the serial interface using this message type.
Format
The following table provides the contents of the frame. For details on frame structure, see API frame
specifications.
Frame data fields Offset Description
Frame type 3 0x90
64-bit source address 4-11
The sender's 64-bit address. MSB first, LSB last.
Reserved
12-13 Reserved.
Receive options
14
Bit field:
0x01 = Packet acknowledged
0x02 = Packet was a broadcast packet
Received data
15-n The RF data the device receives.
Example
In the following example, a device with a 64-bit address of 0x0013A200 40522BAA sends a unicast
data transmission to a remote device with payload RxData. If AO=0 on the receiving device, it sends
the following frame out its serial interface.
Frame data fields Offset Example
Start delimiter 0 0x7E
Length MSB 1 0x00
LSB 2 0x12
Frame type
3 0x90
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