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AT commands
You can perform Digital Line Passing on any of the Digital I/O lines. Digital Inputs directly map to
Digital Outputs of each digital pin.
Analog Line Passing can be performed only on the first two ADC lines:
ADC0 corresponds with PWM0
n
ADC1 corresponds with PWM1
n
IU (I/O Output Enable)
Enable or disable I/O data received to be sent out UART/SPI using an API frame when AP = 1 or 2 and
when I/O line passing is enabled.
Parameter range
0 - 1
Parameter
0
1
Default
1
IA (I/O Input Address)
The source address of the device to which outputs are bound. Setting all bytes to 0xFF disables I/O
line passing. Setting IA to 0xFFFF allows any I/O packet addressed to this device (including
broadcasts) to change the outputs.
Parameter range
0 - 0xFFFF FFFF FFFF FFFF
Default
0xFFFFFFFFFFFFFFFF (I/O line passing disabled)
T0 (D0 Timeout)
Specifies how long pin D0 holds a given value before it reverts to configured value. If set to 0, there is
no timeout.
Parameter range
0 - 0x1770 (x 100 ms)
Default
0
T1 (D1 Output Timeout)
Specifies how long pin D1 holds a given value before it reverts to configured value. If set to 0, there is
no timeout.
XBee®/XBee-PRO SX RF Module User Guide
Description
Disabled
Enabled
I/O line passing commands
99
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