Cirrus-logic CS4385A Manual do Utilizador descarregar pdf (Página 45)

DS837F2 45

CS4385A

7.10 Mixing Control (Address 0Ah, 0Dh, 10h, 13h)

7.10.1 De-Emphasis Control (PX_DEM1:0)

Default = 00

00 - Disabled

01 - 44.1 kHz

10 - 48 kHz

11 - 32 kHz

Function:

Selects the appropriate digital filter to maintain the standard 15 s/50 s digital de-emphasis filter re-

sponse at 32, 44.1 or 48 kHz sample rates (see Figure 19).

De-emphasis is only available in Single-Speed Mode.

76543210

Reserved Px_DEM1 Px_DEM0 PxATAPI4 PxATAPI3 PxATAPI2 PxATAPI1 PxATAPI0

00001001

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Cirrus-logic CS4385A Manual do Utilizador Página 45