Table 9. channel fractional volume settings, 13 channel mute (address 13h), 1 independent channel mute (chxx_mute) – Cirrus Logic CS44800 User Manual
Page 60: 14 channel invert (address 14h), 1 invert signal polarity (chxx_inv)
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DS632F1
CS44800
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 CS44800 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
7
6
5
4
3
2
1
0
CHB4_MUTE
CHA4_MUTE
CHB3_MUTE
CHA3_MUTE
CHB2_MUTE
CHA2_MUTE
CHB1_MUTE
CHA1_MUTE
7
6
5
4
3
2
1
0
CHB4_INV
CHA4_INV
CHB3_INV
CHA3_INV
CHB2_INV
CHA2_INV
CHB1_INV
CHA1_INV