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4.7GPIO1Tab
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TLV320AIC3007EVMSoftware
Figure10.GPIO1Tab
TheGPIO1tab(seeFigure10)selectsoptionsforthegeneral-purposeinputsandoutputs(GPIO)ofthe
TLV320AIC3007.
TheGPIO1groupboxcontainscontrolsforsettingoptionsfortheGPIO1pin.TheFunctioncontrolselects
thefunctionofGPIO1fromthefollowing:
•ADCWordClock
•Anoutputclockderivedfromthereferenceclock(seeTLV320AIC3007datasheet)
•Interruptoutputpintosignal:
–ShortCircuit
–AGCNoiseThresholddetection
–Jack/Headsetdetection
•Foruseasaninterruptoutput,thebehavioroftheinterruptcanbeselectedusingtheInterrupt
Durationcontrol.ASingle,2mspulsecanbedeliveredwhentheselectedinterruptoccurs,or
ContinuousPulsescanbegeneratedsignalingtheinterrupt.
•AlternateI
2
SWordClock
•Ageneral-purposeI/Opin
–IfselectedasaGeneralPurposeInput,thestateoftheGPIO1pinisreflectedbytheInputLevel
indicator.IfselectedasaGeneralPurposeOutput,thestateoftheGPIO1pincanbesetbyusing
theOutputLevelbutton.
SLAU286–June2009TLV320AIC3007EVM-K17
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