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Discussion Groups | MSP430 | CC2500 won't go to sleep

The purpose of this group is to foster exchange of information on the Texas Instruments MSP430 family of microcontrollers and related tools. Everyone welcome, all levels of familiarity/expertise.

CC2500 won't go to sleep - oliver at mettrix - Aug 11 9:44:21 2008

Hello All, we have another synapse splitting problem.

Our design includes a CC2500 for communication. We send it an SIDLE command followed by an SPWD to put it to sleep. We then try communicating with it
and sure enough we get an interrupt on the GDO0 line to tell us that a packet is available. The SIDLE should remove any possibility of a wake on radio occuring thus we can't understand why we can still communicate. When we try to talk to it, it received the message that it is sent. The unit runs on battery and as long as we can't put it to sleep the batteries don't even last two hours.

Any help is appreciated.

Separately thanks to bb_stephan for his previous insight.

Oliver
Mettrix Technology
[Non-text portions of this message have been removed]
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Re: CC2500 won't go to sleep - Leon - Aug 11 10:21:45 2008

----- Original Message -----
From: "oliver at mettrix"
To:
Sent: Monday, August 11, 2008 2:44 PM
Subject: [msp430] CC2500 won't go to sleep
> Hello All, we have another synapse splitting problem.
>
> Our design includes a CC2500 for communication. We send it an SIDLE
> command followed by an SPWD to put it to sleep. We then try communicating
> with it
> and sure enough we get an interrupt on the GDO0 line to tell us that a
> packet is available. The SIDLE should remove any possibility of a wake on
> radio occuring thus we can't understand why we can still communicate. When
> we try to talk to it, it received the message that it is sent. The unit
> runs on battery and as long as we can't put it to sleep the batteries
> don't even last two hours.
>
> Any help is appreciated.

TI has their own forums for their RF devices:

https://community.ti.com/forums/default.aspx?GroupID=15

Leon
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