CS42L52 Datasheet, PDF (52/82 Pages) Cirrus Logic – Low Power, Stereo CODEC w/Headphone & Speaker Amps

6.13 Miscellaneous Controls (Address 0Eh)
7
6
5
4
PASSTHRUB PASSTHRUA PASSBMUTE PASSAMUTE
3
FREEZE
2
DEEMPH
CS42L52
1
DIGSFT
0
DIGZC
6.13.1 Passthru Analog
Configures an analog passthru from the PGA inputs to the headphone/line outputs.
PASSTHRUx
0
1
Analog In Routed to HP/Line Output
Disabled
Enabled
Notes:
1. The Passthru volume control is realized using a combination of the PGA volume control settings
(“PGAx Volume” on page 56) and the headphone amplifier volume control settings (hidden). When
passthru is enabled and the PGA to ADC path is selected, the signal seen by the ADC will change
depending on the passthru volume setting.
6.13.2 Passthru Mute
Configures an analog mute on the channel x analog in to analog out passthru.
PASSxMUTE
0
1
Passthru Mute
Disabled
Enabled
6.13.3 Freeze Registers
Configures a hold on all register settings.
FREEZE
0
1
Control Port Status
Register changes take effect immediately
Modifications may be made to all control port registers without the changes taking effect until after the
FREEZE is disabled.
6.13.4 HP/Speaker De-Emphasis
Configures a 15μs/50μs digital de-emphasis filter response on the headphone/line and speaker outputs.
DEEMPHASIS
0
1
Control Port Status
Disabled
Enabled
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DS680A1