Cirrus-logic CS44600 Uživatelský manuál stáhnout pdf (Strana 58)

58 DS633F1

CS44600

7.13 Channel Mute (address 13h)

7.13.1 Independent Channel Mute (CHXX_MUTE)

Default = 0

0 - Disabled

1 - Enabled

Function:

The PWM outputs of the CS44600 will mute when enabled. The muting function is affected, similar to at-

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

7.14 Channel Invert (address 14h)

7.14.1 Invert Signal Polarity (CHXX_INV)

Default = 0

0 - Disabled

1 - Enabled

Function:

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

CHXX_IVOL[7:0] CHXX_FVOL(1:0) Volume Setting

0001 1000 00 +24.00 dB

0001 0111 10 +23.50 dB

0000 0001 11 +1.75 dB

0000 0001 00 +1.00 dB

0000 0000 01 +0.25 dB

0000 0000 00 0 dB

1111 1111 10 -0.50 dB

1111 1111 00 -1.00 dB

1111 1110 11 -1.25 dB

1111 1101 10 -2.50 dB

1000 0010 00 -126.00 dB

1000 0001 11 -126.25 dB

1000 0001 00 -127.00 dB

Table 9. Channel Fractional Volume Settings

76543210

RESERVED RESERVED CHB3_MUTE CHA3_MUTE CHB2_MUTE CHA2_MUTE CHB1_MUTE CHA1_MUTE

76543210

RESERVED RESERVED CHB3_INV CHA3_INV CHB2_INV CHA2_INV CHB1_INV CHA1_INV

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 75 76

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Cirrus-logic CS44600 Uživatelský manuál Strana 58