CDB3308 Cirrus Logic Inc, CDB3308 Datasheet - Page 18

• Manufacturer Part Number: CDB3308
• Description: BOARD EVAL FOR CS3308 VOL CTRL
• Manufacturer: Cirrus Logic Inc

Specifications of CDB3308

• Main Purpose: Audio, Volume Control
• Embedded: No
• Utilized Ic / Part: CS3308
• Primary Attributes: 8 Single-Ended Analog Inputs and Outputs, USB or RS232 Interface
• Secondary Attributes: Graphic User Interface
• Description/function: Audio DSPs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS3308
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1496

18
5.4.2
Combining the multiple group addressing capabilities of the CS3308 (as detailed in
page
direct addressing of multiple logical groups of channels across multiple CS3308 devices within a system.
Volume & Muting Control Implementation
Figure 6
trary channel ‘N’.
This diagram incorporates all volume and muting control concepts presented in sections
included as a reference and will serve to corroborate the information presented in these sections.
Referenced Control
Master X Mask ....................
24) with the internal master control mapping abilities described above allows the configuration and
below diagrams in detail the volume and muting control architecture of the CS3308 for an arbi-
Ch. N - ¼ dB Control
Hardware Mute Input
Register 09h, Bit N-1
Register 0Ah, Bit N-1
Ch. N Master 1 Mask
Register 10h, Bit N-1
Ch. N Master 2 Mask
Register 13h, Bit N-1
Ch. N Master 3 Mask
Register 16h, Bit N-1
Mute Input Enable
Register 0Bh, Bit 5
Channel N - Mute
Ch. N - Volume
Register N
Pin 4
Input
less than -96 dB.
Mute if result is
Register Location
“Master 1 Mask - Address 10h” on page 36
“Master 2 Mask - Address 13h” on page 37
“Master 3 Mask - Address 16h” on page 38
Figure 6. Volume & Muting Control Implementation
Σ
Mask 1
Mask 2
Mask 3
REFI
Limit Volume Result
-96 dB to +22 dB
+
Channel N
_
Mute
Σ
Σ
Σ
REFO
Mask 1
Mask 2
Mask 3
Σ
Σ
Σ
Mask 1
Mask 2
Mask 3
Register 12h, Bit 0
Register 15h, Bit 0
Register 18h, Bit 0
Register 12h, Bit 1
Register 15h, Bit 1
Register 18h, Bit 1
Master 1 - Volume
Master 2 - Volume
Master 3 - Volume
Master 1 - ¼ dB
Master 2 - ¼ dB
Master 3 - ¼ dB
Master 1 - Mute
Master 2 - Mute
Master 3 - Mute
Register 11h
Register 14h
Register 17h
Output
section 5.8.2 on
5.4
CS3308
- 5.6; it is
DS702F1