Cirrus-logic CS42L55 Manual do Utilizador descarregar pdf (Página 52)

52 DS773F1

CS42L55

6.15 PCMx Mixer Volume:

PCMA (Address 12h) & PCMB (Address 13h)

6.15.1 PCM Mixer Channel x Mute

Configures a digital mute on the PCM mix from the serial data input (SDIN) to the DSP Engine.

6.15.2 PCM Mixer Channel x Volume

Sets the volume/gain of the PCM mix from the serial data input (SDIN) to the DSP Engine.

76543210

PMIXxMUTE PMIXxVOL6 PMIXxVOL5 PMIXxVOL4 PMIXxVOL3 PMIXxVOL2 PMIXxVOL1 PMIXxVOL0

PMIXxMUTE PCM Mixer Mute

0 Disabled

1 Enabled

PMIXxVOL[6:0] Volume

001 1000 +12.0 dB

... ...

000 0001 +0.5 dB

000 0000 0 dB

111 1111 -0.5 dB

... ...

001 1001 -51.5 dB

Step Size: 0.5 dB

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 72 73

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Cirrus-logic CS42L55 Manual do Utilizador Página 52