[ꢀPowerꢀDownꢀModeꢀ]
ꢀꢀCode:ꢀ11011111 (DFh)
[ꢀPowerꢀDownꢀMode]
ꢀꢀCode:ꢀ11011111 (DFh)
[ꢀPowerꢀDownꢀMode]
MS6821
MOSA
ForꢀBTLꢀmodeꢀonly
Power On
4 Stereo inputs / 2W PA output integrated Audio DAC and Volume Control
Power Down
Activating
Power Off
(Shut Down)
All the Digital Interface Signals
Pull Low
Volume Down To Mute
Input Channels Mute On
Volume Down To Mute
Input Channels Mute On
Setting Input Gain IsFixed
[ꢀInputꢀGainꢀ]
ꢀꢀCode:ꢀLch 100xxx00
Rch 101xxx00
ꢀꢀI2Cꢀpullꢀlow
[ꢀAttenuationꢀandꢀMuteꢀ]
ꢀꢀCode:ꢀLch 00111111 (3Fh)
Rch 01111111 (7Fh)
[ꢀAttenuationꢀandꢀMuteꢀ]
ꢀꢀCode:ꢀLch 00111111 (3Fh)
Rch 01111111 (7Fh)
ꢀꢀAudioꢀinputsꢀpullꢀlow
ꢀꢀ(BCK,ꢀWS,ꢀDATA)
ꢀꢀVDD =ꢀGND
Disable Power Down
Pull Down CAP Pin To Ground
Pull Down CAP Pin To Ground
Power On
[ꢀPowerꢀDownꢀMode]
[ꢀPowerꢀDownꢀMode]
ꢀꢀCode:ꢀ11000001 (C1h)
Waitꢀ0.1 sec
[ꢀPowerꢀDownꢀModeꢀ]
ꢀꢀCode:ꢀ11000001 (C1h)
Waitꢀ0.1 sec
ꢀꢀCode:ꢀ11000000 (C0h)
ꢀWaitꢀ0.5 sec
ꢀꢀVDD =ꢀSupplyꢀvoltage
Default Status
Mute Off And Volume Up/Down
Step By Step
[Attenuationꢀ&ꢀMute]
Power Down All The Devices
Power Down All The Devices
Muteꢀonꢀ(maxꢀattenuation)
[ꢀAttenuationꢀandꢀMuteꢀ]
ꢀꢀCode:ꢀLch 00xxxxxx
Rch 01xxxxxx
[ꢀInputꢀSelectorꢀ&ꢀInputꢀGainꢀ]ꢀ
ꢀꢀLꢁch1,ꢀRꢁch1
0dB
ꢀꢀAllꢀpowerꢀdownꢀstatus
All the Digital Interface Signals
Pull Low
Keep All The Digital Interface
Signals Unchanged
[ꢀOutputꢀModeꢀ&ꢀMixerꢀ&ꢀFormatꢀ]
ꢀꢀBTLꢀmode
ꢀꢀI2Cꢀpullꢀlow
ꢀꢀAudioꢀinputsꢀpullꢀlow
ꢀꢀ(BCK,ꢀWS,ꢀDATA)
ꢀꢀInputsꢀnotꢀmixedꢀwithꢀDACꢀsignal
RJFꢀformat
Power Off
ꢀꢀDisconnectꢀVDD
ꢀꢀVDDꢀwillꢀbeꢀfellꢀdownꢀtoꢀꢀ0V
ꢀ
REVꢀ 1.0
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MOSA [ MOSA ELECTRONICS ]
