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Does not having P0 pulled high have any impact on the ability of the module to enter sleep mode? I have been told that it impacts deep sleep mode, but I can't determine if it that is the only impact. I have seen some mention of this on this site: Re: Questions sleep and deep sleep modes on BCM20737 but only in reference to deep sleep mode.
The reason I'm asking is that I'm not seeing the device enter sleep mode when looking at the current draw. I don't seem to get below 100 micro amps. The device is normally always connected or advertising so I need to make sure I can sleep whenever possible to conserve battery life. I'm trying to rule P0 out as a potential issue.
Also, is there any correlation to the fine timer interval and battery life (e.g. shorter intervals leading to more power consumption)?
Thanks! I'll try to work up a new prototype that I can test this with.
For the attached thread, I'm don't see a correlation with power. Most of this discussion seems to revolve around attempting to have very small cycles. What I'm trying to determine is if increasing the fine timer interval from 250ms to 500ms would have a meaningful impact on power consumption - assuming I can get into sleep mode.