Mono Mixer Control, Treble Control | Texas Instruments TAS3002

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Texas Instruments manual Mono Mixer Control, Treble Control, 1. TAS3002 Mixer Function

Contents

Data Manual TAS3002Digital Audio Processor With Codec 2001 IMPORTANT NOTICE 1.1 Description 1.2Features1 Introduction 1.3Functional Block Diagram Figure 1−1. TAS3002 Block Diagram 1.4 Terminal Assignments 1.5 Terminal FunctionsFigure 1−2. TAS3002 Terminal Assignments Table 1−1. TAS3002 Terminal Functions Table 1−1. TAS3002 Terminal Functions Continued Page Table 2−1. Serial Interface Options 2 Audio Data Formats2.1 Serial Interface Formats … … … … 2.2 Digital Output Modes… … … … … … … … 2.2.2I2S Serial-InterfaceFormat Figure 2−2. I 2S Serial-InterfaceFormat… … … … … … … … 2.2.3MSB-Left-Justified, Serial-InterfaceFormat … … … …… … … … … … … … 2.3 Switching Characteristics PARAMETERUNIT tcSCLK SCLK LRCLK tdSDOUT SDOUT1 SDOUT2 SDOUT0Page 3 Analog Input/Output 3.1 Analog Input3.2 Analog Output 3.2.1Direct Analog Output Figure 3−3. Analog Output With External Amplifier 3.2.2Analog Output With GainFigure 3−2. VCOM Decoupling Network Figure 3−4. TAS3002 Reference Voltage Filter 3.2.3Reference Voltage FilterTAS3002 Page 4.1 Soft Volume Update 4 Audio Control/Enhancement Functions4.2 Software Soft Mute 4.3 Input Mixer Control Figure 4−1. TAS3002 Mixer Function 4.4 Mono Mixer Control4.5 Treble Control Figure 4−2. De-EmphasisMode Frequency Response 4.6 Bass Control4.7 De-EmphasisMode DM 4.8 Analog Control Register 40h Table 4−1. Analog Control Register Description 4.9 Dynamic Loudness Contour 4.9.1Loudness Biquads4.9.2Loudness Gain 4.9.3Loudness Contour Operation 4.10 Dynamic Range Compression/Expansion DRCE 4.11 AllPass Function 4.12 Main Control Register 1 01h 4.13 Main Control Register 2 43hTable 4−2. Main Control Register 1 Description Table 4−3. Main Control Register 2 DescriptionPage Figure 5−1. Biquad Cascade Configuration 5 Filter Processor5.1 Biquad Block 5.1.1Filter CoefficientsPage 6 I2C Serial Control Interface 6.1 Introduction6.2 I2C Protocol Figure 6−1. Typical I 2C Data Transfer Sequence 6.3 Operation 6.3.1Write Cycle ExampleTable 6−1. I 2C Protocol Definitions Table 6−2. I 2C Address Byte Table 6.3.2TAS3002 I2C Readback Example 6.3.3I2C Wait States 6.4 SMBus Operation 6.4.1Block Write Protocol6.4.2Write Byte Protocol Table 6−3. I 2C Wait States 6.4.3Wait States 6.4.4TAS3002 SMBus ReadbackPage 7.2 Power-Up/Power-DownReset 7.2.1Power-UpSequence7.2.2Reset 7 Microcontroller Operation 7.2.3Reset Circuit Figure 7−1. TAS3002 Reset Circuit7.2.4Fast Load Mode TAS3002 7.3 Power-DownMode 7.2.5Codec Reset 7.3.1Power-DownTiming Sequence Figure 7−2. Power-DownTiming Sequence7.4 Test Mode 7.5 Internal Interface 7.6.2GPI Architecture Table 7−1. GPI Terminal Programming Figure 7−3. Internal Interface Flow Chart Restore Volume and MCRStart Power Up Initialize Default EEPROM Slave Write GPI Power Down 7.7 External EEPROM Memory Maps Table 7−2. 512-ByteEEPROM Memory Map 2.0 Channels ADDRESS BYTE NUMBERFUNCTION TAS3002 TAS3002 ADDRESS NUMBERFUNCTION CATEGORY TAS3002 ADDRESS NUMBERFUNCTION CATEGORY 8.2 Recommended Operating Conditions 8 Electrical CharacteristicsStatic Digital Specifications Figure 8−1. ADC Digital Filter Characteristics 8.4 ADC Digital Filter Figure 8−4. ADC High-PassFilter Characteristics 8.5 Analog-to-DigitalConverter 8.6 Input Multiplexer 8.7 DAC Interpolation Filter 8.8 Digital-to-AnalogConverter 8.9 DAC Output Performance Data 8.10 I2C Serial Port Timing Characteristics Figure 8−7. I 2C Bus Timing 9 System Diagrams Figure 9−1. Stereo ApplicationTAS3002 Clock TAS3002 TAS3001Figure 9−2. TAS3002 Device, 2.1 Channels PLASTIC QUAD FLATPACK 10 Mechanical InformationPFB S-PQFP-G48 10−2