Dolby Laboratories DP570 3.6.2 Assigning GPI/O Functions to Specific Pins

Using the GPI/O Connector
Dolby® DP570 Multichannel Audio Tool User’s Manual 19
beedge‐triggered.TheActiveStatecolumnindicatestheDP570statethatresultswhenthe
pinisforcedtothelogiclevelindicated,ifitislevel‐triggered.
3.6.2 Assigning GPI/O Functions to Specific Pins
TheGPI/Oportisafemale37‐pinD‐connector.SeeFigure3‐7toidentify pinnumbers.
Figure3‐8
Figure 3-7 GPI/O Pin Numbers
Table 3-7 GPI Functions Available
Function Polarity Trigger Active State Description
VRef Either Either VReferror Nosignalorinvalidsignal.(Checkfor
propertermination.)
Metadatain1 Either Either Metadataerror InvalidsignalwhileunitisinExternal
Metadatamode.
Metadatain2 Either Either Metadataerror InvalidsignalwhileunitisinExternal
Metadatamode.
EmulatorbypassEither Either Bypass IndicatesBypassisactive.
DelayLEDEither Either On Notyetimplemented.
Lt/Rtinput Either Either Enabled IndicatesLt/Rtinputisactive.
Dim/mutea
a AvailableonlyinunitswiththeCat.No.548AnalogOutputCard.
Either Either Enabled IndicatesDimGainsettingisactive.
SurroundEXEither Either EXon IndicatesSurroundEXisactive.
ProLogicEither Either ProLogicon IndicatesProLogicisactive.
LspeakermuteaEither Either Mute IndicatesMuteisactive.
RspeakermuteaEither Either Mute IndicatesMuteisactive.
CspeakermuteaEither Either Mute IndicatesMuteisactive.
SWspeakermuteaEither Either Mute IndicatesMuteisactive.
LsspeakermuteaEither Either Mute IndicatesMuteisactive.
RsspeakermuteaEither Either Mute IndicatesMuteisactive.
BsspeakermuteaEither Either Mute IndicatesMuteisactive.
SpeakerSelect
(Multi,Stereo,Mono)a
Either Either Speakerselected Indicateswhichspeakerisselected.
ProgramSelect(1–8)Either Either Enabled Indicateswhichprogramisselected.
PresetSelect(1–32) Either Either Enabled Indicateswhichpresetisselected.
DownmixMode
(Full,Stereo,Mono,
Phant,3‐Stereo)
Either Either Enabled Indicateswhichmodeisselected.
DynamicRange
ControlMode
(Line,RF,Custom)
Either Either Enabled Indicateswhichcompressionmodeis
selected.
ReferenceLevelaEither Level 0dB IndicatesMasterVol ume=0dB.
GPI/O
1
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