Cirrus-logic CS42516 Manual de usuario descargar pdf (Pagina 58)

58 DS583F2

CS42516

6.12 Channel Mute (address 0Eh)

6.12.1 INDEPENDENT CHANNEL MUTE (XX_MUTE)

Default = 0

0 - Disabled

1 - Enabled

Function:

The digital-to-analog converter outputs of the CS42516 will mute when enabled. The quiescent volt-

age on the outputs will be retained. The muting function is affected, similar to attenuation changes,

by the Soft and Zero Cross bits (SZC[1:0]).

6.13 Volume Control (addresses 0Fh, 10h, 11h, 12h, 13h, 14h)

6.13.1 VOLUME CONTROL (XX_VOL)

Default = 0

Function:

The Digital Volume Control registers allow independent control of the signal levels in 0.5 dB incre-

ments from 0 to -127 dB. Volume settings are decoded as shown in Table 15. The volume changes

are implemented as dictated by the Soft and Zero Cross bits (SZC[1:0]). All volume settings less than

-127 dB are equivalent to enabling the MUTE bit for the given channel.

6.14 Channel Invert (address 17h)

6.14.1 INVERT SIGNAL POLARITY (INV_XX)

Default = 0

0 - Disabled

1 - Enabled

Function:

When enabled, these bits will invert the signal polarity of their respective channels.

6.15 Mixing Control Pair 1 (Channels A1 & B1) (address 18h)

76543210

Reserved Reserved B3_MUTE A3_MUTE B2_MUTE A2_MUTE B1_MUTE A1_MUTE

76543210

xx_VOL7 xx_VOL6 xx_VOL5 xx_VOL4 xx_VOL3 xx_VOL2 xx_VOL1 xx_VOL0

Binary Code Decimal Value Volume Setting

00000000 0 0 dB

00101000 40 -20 dB

01010000 80 -40 dB

01111000 120 -60 dB

10110100 180 -90 dB

Table 15. Example Digital Volume Settings

76543210

Reserved Reserved INV_B3 INV_A3 INV_B2 INV_A2 INV_B1 INV_A1

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 91 92

Sin comentarios

Cirrus-logic CS42516 Manual de usuario Pagina 58