CRD42L52(2006) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CRD42L52
(Rev.:2006)

Low Power, Stereo CODEC w/Headphone & Speaker Amps

Cirrus Logic 

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

52

DS680A1

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