CDB42L55 Cirrus Logic Inc, CDB42L55 Datasheet - Page 57

• Manufacturer Part Number: CDB42L55
• Description: Eval Bd Ultra Low Power Stereo Codec
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42L55

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42L55
• Primary Attributes: 2 Stereo Analog Inputs, Stereo Line and Headphone Outputs, S/PDIF Transmitter and Receiver
• Secondary Attributes: GUI, USB, RS232, I2C Interfaces, USB or External or Battery Power Supply
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1506; CDB-42L55

DS773F1
6.20
6.20.1 Master Volume Control
6.21
6.21.1 Headphone Channel x Mute
6.21.2 Headphone Volume Control
MSTxVOL7
HPxMUTE
7
7
Master Volume Control:
MSTA (Address 18h) & MSTB (Address 19h)
Headphone Volume Control:
HPA (Address 1Ah) & HPB (Address 1Bh)
Sets the volume of the signal out the DSP.
Configures an analog mute on the headphone amplifier.
Sets the volume of the signal out of the headphone amplifier.
Note:
1. The step size may deviate from 1.0 dB. Refer to
MSTxVOL[7:0]
0001 1000
···
0000 0000
1111 1111
1111 1110
···
0011 0100
···
0001 1001
Step Size:
HPxMUTE
0
1
HPxVOL[6:0]
0111111
...
0001100
...
0000001
0000000
1111111
...
1000100
...
1000000
Step Size:
MSTxVOL6
HPxVOL6
6
6
Master Volume
+12.0 dB
···
0 dB
-0.5 dB
-1.0 dB
···
-102 dB
···
-102 dB
0.5 dB
HP Amp Mute
Disabled
Enabled
Heaphone Volume
12 dB
...
12 dB
...
+1.0 dB
0 dB
-1.0 dB
...
-60.0 dB (Actual volume is approximately -58 dB.
...
-60.0 dB (Actual volume is approximately -58 dB.
1.0 dB
MSTxVOL5
HPxVOL5
5
5
MSTxVOL4
HPxVOL4
4
4
MSTxVOL3
HPxVOL3
Figure 25
3
3
(Note
(Note
1))
1))
and
MSTxVOL2
HPxVOL2
Figure 26 on page
2
2
MSTxVOL1
HPxVOL1
1
1
69.
CS42L55
MSTxVOL0
HPxVOL0
0
0
57