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xbee uart data present indicator pin vs on_sleep pin

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I am using xbee-868lp modules (80k variant). The xbee will be connected to a microcontroller on a pcb and I want to be able to get the mcu to go into low power mode when there is no data received at the xbee.
I was thinking of configuring the xbee in sync cyclic sleep mode (SM= 8 ) and either:

(a) Use the uart data present indicator pin in order to wake/sleep the mcu. Is that the right way to do so?

(b) Or should I use instead the on/sleep pin? Will this wake up the mcu each time the xbee is awake regardless it received something or not?
asked Dec 11, 2015 in DigiMesh Proprietary Mesh Networking by nagroudy New to the Community (0 points)
edited Dec 11, 2015 by nagroudy

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1 Answer

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Yes option A would appear to be the correct way. But I would suggest verifying this pin 12 does work in that manner before you spin your boards.
answered Dec 11, 2015 by mvut Veteran of the Digi Community (12,302 points)