CS4205 データシートの表示（PDF） - Cirrus Logic

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CS4205

CrystalClear® Audio Codec ’97 for Portable Computing

Cirrus Logic 

CS4205

5.32 Serial Data Port Volume Control Registers (Index 6Eh, Address 06h - 07h)

D15 D14 D13 D12 D11 D10 D9 D8 D7

Mute 0 GL5 GL4 GL3 GL2 GL1 GL0 0

D6 D5 D4 D3 D2 D1 D0

0 GR5 GR4 GR3 GR2 GR1 GR0

Mute

Serial Data Port Mute. Setting this bit mutes the respective input signal, both left and right inputs.

GL[5:0]

Left Volume Control. The GL[5:0] bits are used to control the serial data port left channel output

volume. Each step corresponds to 1 dB gain adjustment. The total range is 0 dB to -63 dB gain.

GR[5:0]

Right Volume Control. The GR[5:0] bits are used to control the serial data port right channel out-

put volume. Each step corresponds to 1 dB gain adjustment. The total range is 0 dB to -63 dB

gain.

Default

8000h. This value corresponds to 0 dB gain and Mute ‘set’.

The Serial Data Port Volume Control Registers are listed in Table 18.

Register Address Function

06h

SDOUT Volume

07h

SDO2 Volume

Table 18. Serial Port Volume Control Register Index

48

DS489PP4

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