WAKEUP External PU

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WAKEUP External PU

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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by dfaucher on Wed Jul 21 13:14:03 MST 2010
Hi,

I'm working on a portable solution (battery powered).  I want to use deep power-down mode when the system is powered by the battery and idle. The user manual says "This pin must be pulled HIGH externally to enter Deep power-down mode".  How much current is needed by the WAKEUP pin to consider it as a HIGH level? I want to reduce down the pull-up current to the minimum to not drain my battery to fast, any idea?

Thanks

DF

Original Attachment has been moved to: 1100558_lpc_swu.zip

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