CDB3308 Cirrus Logic Inc, CDB3308 Datasheet - Page 4

• 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

4
LIST OF FIGURES
LIST OF TABLES
Figure 1.Control Port Timing - I²C Format.................................................................................................. 10
Figure 2.Control Port Timing - SPI Format................................................................................................. 11
Figure 3.Typical Connection Diagram........................................................................................................ 12
Figure 4.Detailed Block Diagram ............................................................................................................... 13
Figure 5.CS3308 Control Mapping Matrix.................................................................................................. 17
Figure 6.Volume & Muting Control Implementation ................................................................................... 18
Figure 7.Standard I²C Connections............................................................................................................ 23
Figure 8.Standard SPI Connections........................................................................................................... 23
Figure 9.SPI Serial Control Connections ................................................................................................... 24
Figure 10.Individual Device Address Configuration Process ..................................................................... 25
Figure 11.I²C Serial Control Connections .................................................................................................. 26
Figure 12.Control Port Timing, I²C Write.................................................................................................... 27
Figure 13.Control Port Timing, I²C Read.................................................................................................... 28
Figure 14.SPI Write Cycle.......................................................................................................................... 28
Table 1. Example Volume Settings ............................................................................................................ 20
Table 2. Zero-Crossing Modes................................................................................................................... 22
Table 3. Zero-Crossing Time-Out Periods ................................................................................................. 22
Table 4. I²C Mode Default Chip Address ................................................................................................... 27
Table 5. Example Volume Settings ............................................................................................................ 31
Table 6. Example Volume Settings ............................................................................................................ 32
Table 7. Channel B = Channel A Settings ................................................................................................. 34
Table 8. Zero-Crossing Time-Out Settings ................................................................................................ 34
Table 9. Zero-Crossing Mode Settings ...................................................................................................... 35
Table 10. Chip Revision Register Codes ................................................................................................... 41
CS3308
DS702F1