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Manuel d’utilisation Texas Instruments TLV320AIC3007EVM-K

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  • Texas Instruments TLV320AIC3007EVM-K - page 1

    User's Guide SLAU286 – June 2009 TLV320AIC3007EVM-K This user's guide describes the characteristics, operation, and use of the TLV320AIC3007EVM-K. This evaluation module (EVM) allows the user to evaluate the TLV320AIC3007 audio codec. The TLV320AIC3007 is a complete 2-channel audio codec with an integrated Class-D speaker amplifier. It ...

  • Texas Instruments TLV320AIC3007EVM-K - page 2

    www.ti.com 7 Bypass Paths Tab .......................................................................................................... 13 8 Audio Interface Tab ....................................................................................................... 14 9 Clocks Tab .................................................................... ...

  • Texas Instruments TLV320AIC3007EVM-K - page 3

    1 EVM Overview 1.1 Features 1.2 Introduction 2 EVM Description and Basics 2.1 TLV320AIC3007EVM-K Block Diagram www.ti.com EVM Overview • Full-featured evaluation board for the TLV320AIC3007 2-channel audio codec with integrated Class-D amplifier. • Modular design for use with a variety of digital signal processor (DSP) and microcontroller inter ...

  • Texas Instruments TLV320AIC3007EVM-K - page 4

    2.1.1 USB-MODEVM Interface Board EVMPosition2 EVMPosition1 TL V320AIC3007EVM ControlInterface TL V320AIC3007 T AS1020B USB8051 Microcontroller USB I C 2 I S 2 AudioInterface USB-MODEVM EVM Description and Basics www.ti.com The simple diagram of Figure 1 shows only the basic features of the USB-MODEVM Interface board. When conne ...

  • Texas Instruments TLV320AIC3007EVM-K - page 5

    2.2 Default Configuration and Connections 2.2.1 USB-MODEVM 2.2.2 TLV320AIC3007EVM Jumpers and Switches www.ti.com EVM Description and Basics Table 1 provides a list of the SW2 settings on the USB-MODEVM. For use with the TLV320AIC3007EVM, SW-2 positions 1 through 7 must be set to ON (LO), whereas SW-2.8 must be set to OFF (HI). Table 1. USB-MODEVM ...

  • Texas Instruments TLV320AIC3007EVM-K - page 6

    2.3 Power Connections 2.3.1 Stand-Alone Operation 2.3.2 USB-MODEVM Operation EVM Description and Basics www.ti.com Table 2. List of Stand-alone Jumpers (continued) Jumper Jumper Default Number Type Position Jumper Description W17 2-pin Open Selects onboard EEPROM as TAS1020B Firmware Source.(Not Used). Note that for this EVM the Firmware Source EEP ...

  • Texas Instruments TLV320AIC3007EVM-K - page 7

    3 TLV320AIC3007EVM-K Setup and Installation 3.1 Software Installation 3.2 EVM Connections www.ti.com TLV320AIC3007EVM-K Setup and Installation • Laboratory power supply When powered from the USB connection, JMP6 must have a shunt from pins 1–2 (this is the default factory configuration). When powered from 6 Vdc-10 Vdc, either through the J8 ter ...

  • Texas Instruments TLV320AIC3007EVM-K - page 8

    4 TLV320AIC3007EVM Software 4.1 Quick Start Tabs 4.1.1 Quick Start - USB-MODEM Configurations TLV320AIC3007EVM Software www.ti.com The following section discusses the details and operation of the EVM software. Note: For configuration of the codec, the TLV320AIC3007 block diagram located in the TLV320AIC3007 data sheet is a good reference to help de ...

  • Texas Instruments TLV320AIC3007EVM-K - page 9

    4.1.2 Quick Start - Preset Configurations www.ti.com TLV320AIC3007EVM Software Figure 3. Quick Start - Preset Configurations Tab The Quick Start Preset Configurations tab provides several different preset configurations of the codec ( Figure 3 ). The Preset Configurations buttons allow the user to choose from the provided defaults. When the selecti ...

  • Texas Instruments TLV320AIC3007EVM-K - page 10

    4.2 Main Software Screen With Indicators and Functions TLV320AIC3007EVM Software www.ti.com Figure 4. Main Software Screen Figure 4 illustrates the main screen of the EVM software. The indicators and buttons located above the tabbed section of the front page are visible regardless of which tab is currently being selected. The firmware box indicates ...

  • Texas Instruments TLV320AIC3007EVM-K - page 11

    4.2.1 Detailed TLV320AIC3007 Block Diagram www.ti.com TLV320AIC3007EVM Software The ADC Overflow and DAC Overflow indicators illuminate when the overflow flags are set in the TLV320AIC3007. Below these indicators are the AGC Noise Threshold Exceeded indicators that illuminate when the AGC noise threshold is exceeded. To the far right of the screen, ...

  • Texas Instruments TLV320AIC3007EVM-K - page 12

    4.3 Audio Input/ADC Tab TLV320AIC3007EVM Software www.ti.com Figure 6. Audio Input/ADC Tab The Audio Input/ADC tab allows control of the analog input mixer and the ADC. The controls are displayed to look similar to an audio mixing console (see Figure 6 ). Each analog input channel has a vertical strip that corresponds to that channel. By default, a ...

  • Texas Instruments TLV320AIC3007EVM-K - page 13

    4.4 Bypass Paths Tab www.ti.com TLV320AIC3007EVM Software Figure 7. Bypass Paths Tab As shown in Figure 7 , several analog bypass paths are available in the TMS320AIC3007. LINE1RP, LINE2RP, LINE1LP, and LINE2LP inputs can be passively bypassed to either RIGHT_LOP or LEFT_LOP by using the Passive Analog Bypass Paths controls. LINE2L (left) and LINE2 ...

  • Texas Instruments TLV320AIC3007EVM-K - page 14

    4.5 Audio Interface Tab TLV320AIC3007EVM Software www.ti.com Figure 8. Audio Interface Tab The Audio Interface tab ( Figure 8 ) allows configuration of the audio digital data interface to the TLV320AIC3007. The interface mode can be selected using the Audio Serial Data Mode control—selecting either I 2 S mode, DSP mode, or Right- or Left-Justifie ...

  • Texas Instruments TLV320AIC3007EVM-K - page 15

    4.6 Clocks Tab 4.6.1 Configuring the Codec Clocks and Fsref Calculation www.ti.com TLV320AIC3007EVM Software Figure 9. Clocks Tab The TLV320AIC3007 provides a phase-locked loop (PLL) that allows flexibility in the clock generation for the ADC and DAC sample rates. The Clocks tab contains the controls that can be used to configure the TLV320AIC3007 ...

  • Texas Instruments TLV320AIC3007EVM-K - page 16

    4.6.1.1 Use Without PLL 4.6.1.2 Use With PLL 4.6.1.3 Setting ADC and DAC Sampling Rates TLV320AIC3007EVM Software www.ti.com Setting up the TLV320AIC3007 for clocking without using the PLL permits the lowest power consumption by the codec. The CLKDIV_IN source can be selected as either MCLK (default) or BCLK . The CLKDIV_IN frequency then is entere ...

  • Texas Instruments TLV320AIC3007EVM-K - page 17

    4.7 GPIO1 Tab www.ti.com TLV320AIC3007EVM Software Figure 10. GPIO1 Tab The GPIO1 tab (see Figure 10 ) selects options for the general-purpose inputs and outputs (GPIO) of the TLV320AIC3007. The GPIO1 groupbox contains controls for setting options for the GPIO1 pin. The Function control selects the function of GPIO1 from the following: • ADC Word ...

  • Texas Instruments TLV320AIC3007EVM-K - page 18

    4.8 AGC Tab TLV320AIC3007EVM Software www.ti.com Figure 11. AGC Tab The AGC tab (see Figure 11 ) consists of two identical sets of controls, one for the left channel and the other for the right channel. The AGC function is described in the TLV320AIC3007 data sheet. The AGC can be enabled for each channel using the Enable AGC button. Target gain, At ...

  • Texas Instruments TLV320AIC3007EVM-K - page 19

    www.ti.com TLV320AIC3007EVM Software Figure 12. Left AGC Settings Figure 13. Advanced Noise gate functions, such as Hysteresis , Enable Clip stepping , Threshold (dB) , Signal Detect Debounce (ms) , and Noise Detect Debounce (ms) are set using the corresponding controls in the Noise Gate groupbox for each channel. SLAU286 – June 2009 TLV320AIC300 ...

  • Texas Instruments TLV320AIC3007EVM-K - page 20

    4.9 Filters Tab TLV320AIC3007EVM Software www.ti.com Figure 14. Filters Tab The TLV320AIC3007 has an advanced feature set for applying digital filtering to audio signals. This tab controls all of the filter features of the TLV320AIC3007. In order to use this tab and have plotting of filter responses correct, the DAC sample rate must be set correctl ...

  • Texas Instruments TLV320AIC3007EVM-K - page 21

    4.9.1 ADC Filters 4.9.1.1 High-Pass Filter 4.9.1.2 Digital Effects Filter - ADC www.ti.com TLV320AIC3007EVM Software Figure 15. ADC High-Pass Filters The TLV320AIC3007 ADC provides the option of enabling a high-pass filter, which helps to reduce the effects of DC offsets in the system. The Figure 15 tab shows the options for programming various fil ...

  • Texas Instruments TLV320AIC3007EVM-K - page 22

    4.9.2 DAC Filters 4.9.2.1 De-emphasis Filters 4.9.2.2 DAC Digital Effects Filter TLV320AIC3007EVM Software www.ti.com Figure 17. DAC Filters The de-emphasis filters used in the TLV320AIC3007 can be programmed as described in the TLV320AIC3007 data sheet, using this tab ( Figure 18 ). Enter the coefficients for the de-emphasis filter response desire ...

  • Texas Instruments TLV320AIC3007EVM-K - page 23

    4.9.3 Digital Effects Filters 4.9.3.1 Shelf Filters www.ti.com TLV320AIC3007EVM Software The digital effect filters (the biquad filters) of the TLV320AIC3007 are selected using the check boxes shown in Figure 19 . The de-emphasis filters are described in the TLV320AIC3007 data sheet, and their coefficients can be changed (see Figure 17 ). Figure 19 ...

  • Texas Instruments TLV320AIC3007EVM-K - page 24

    4.9.3.2 EQ Filters 4.9.3.3 Analog Simulation Filters TLV320AIC3007EVM Software www.ti.com EQ, or parametric, filters can be designed on this tab (see Figure 21 ). Enter a gain, bandwidth, and a center frequency (Fc). Either bandpass (positive gain) or band-reject (negative gain) filters can be created Figure 21. EQ Filters Biquads are good at simul ...

  • Texas Instruments TLV320AIC3007EVM-K - page 25

    4.9.3.4 Preset Filters 4.9.3.5 User Filters www.ti.com TLV320AIC3007EVM Software Many applications are designed to provide preset filters common for certain types of program material. This tab (see Figure 23 ) allows selection of one of four preset filter responses - Rock, Jazz, Classical, or Pop. Figure 23. Preset Filters If filter coefficients ar ...

  • Texas Instruments TLV320AIC3007EVM-K - page 26

    4.9.3.6 3D Effect 4.10 DAC/Line Outputs Tab TLV320AIC3007EVM Software www.ti.com The 3D effect is described in the TLV320AIC3007 data sheet. It uses the two biquad sections differently than most other effect filter settings. To use this effect properly, ensure that the appropriate coefficients are already loaded into the two biquad sections. The Us ...

  • Texas Instruments TLV320AIC3007EVM-K - page 27

    4.10.1 DAC Controls 4.10.2 Line Output Mixers www.ti.com TLV320AIC3007EVM Software The DAC/Line Outputs tab controls the DAC power and volume, as well as routing of digital data to the DACs and the analog line output from the DACs. (See Figure 26 .) On the left side of this tab are controls for the left and right DACs. In similar fashion as the ADC ...

  • Texas Instruments TLV320AIC3007EVM-K - page 28

    4.11 HP Output Stage Configuration Tab TLV320AIC3007EVM Software www.ti.com Figure 27. Output Stage Configuration Tab The HP Output Stage Configuration tab ( Figure 27 ) allows for setting various features of the output drivers. The Headset Configuration control can be set as either Fully-Differential or Pseudo-Differential . This control is used t ...

  • Texas Instruments TLV320AIC3007EVM-K - page 29

    4.12 HP Outputs Tab 4.13 Class-D Output Tab www.ti.com TLV320AIC3007EVM Software Figure 28. High Power Outputs Tab This tab contains four horizontal groupings of controls, one for each of the high power outputs. Each output has a mixer to mix the LINE2L, LINE2R, PGA_L, PGA_R, DAC_L and DAC_R signals, assuming that the DACs are not routed directly t ...

  • Texas Instruments TLV320AIC3007EVM-K - page 30

    4.14 Command Line Interface Tab TLV320AIC3007EVM Software www.ti.com A simple scripting language controls the TAS1020 on the USB-MODEVM from the LabView™-based PC software. The main program controls, described previously, do nothing more than write a script which is then handed off to an interpreter that sends the appropriate data to the correct ...

  • Texas Instruments TLV320AIC3007EVM-K - page 31

    www.ti.com TLV320AIC3007EVM Software Figure 30. File Menu Under the Help menu is an About... menu item which displays information about the TLV320AIC3007EVM software. The I 2 C Bus Error Detection button allows the user to enable circuitry which sets a register bit (Register 107, D0) if an I 2 C bus error is detected. It is unnecessary to use this ...

  • Texas Instruments TLV320AIC3007EVM-K - page 32

    Appendix A EVM Connector Descriptions A.1 Analog Interface Connectors A.1.1 Analog Input/Output Connectors Appendix A www.ti.com This appendix contains the connection details for each of the main header connectors on the EVM. In addition to the analog headers, the analog inputs and outputs also can be accessed through alternate connectors, either s ...

  • Texas Instruments TLV320AIC3007EVM-K - page 33

    A.2 Block A and Block B Digital Interface Connectors (J16 and J17) www.ti.com Block A and Block B Digital Interface Connectors (J16 and J17) The TLV320AIC3007EVM is designed to easily interface with multiple control platforms. Samtec part numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin dual row header/socket combinatio ...

  • Texas Instruments TLV320AIC3007EVM-K - page 34

    A.3 Power Supply Connector Pin Header, J15 Power Supply Connector Pin Header, J15 www.ti.com Note that P5 comprises the signals needed for an I 2 S serial digital audio interface; the control interface (I 2 C and RESET) signals are routed to P4. I 2 C is actually routed to both connectors; however, the device is connected only to P4. J15 provides c ...

  • Texas Instruments TLV320AIC3007EVM-K - page 35

    Appendix B TLV320AIC3007EVM Schematic SDA DIN SWINM MCLK AV DD _DAC DOUT SPVDD SPOM SWINP SCL MICBIAS SPOP G PIO1 BCLK WCLK DVDD MICDET/LINE1LM LINE1RP LINE1LP RIGHT_LO P A VDD_ADC HPCOM D RVDD1 HPL OUT HPROUT L EFT_LOP DRV DD2 MIC3L/LINE1RM LINE2LP MIC3R/LINE2RM LINE2RP/LINE2LM R3 2.2K C24 0.1uF C23 47uF R 2 220 1 2 3 W9 M ICBIASSEL +3.3V A ...

  • Texas Instruments TLV320AIC3007EVM-K - page 36

    A 0(+) 2 A1(+) 4 A2(+) 6 A3(+) 8 A4 10 A5 12 A6 14 A7 16 RE F- 18 REF + 20 A 0(-) 1 A1(-) 3 A2(-) 5 A3(-) 7 AGND 9 AGND 1 1 AG ND 13 VCOM 15 AG ND 17 AGN D 19 J1 DAUGH TER-ANALOG - V A 2 -5V A 4 AGND 6 VD1 8 +5VD 10 + V A 1 +5V A 3 DGND 5 +1.8VD 7 +3.3VD 9 J3 DAUGH TER-POWER G PIO0 2 DGND 4 GPIO1 6 GPIO2 8 DGND 10 GPIO3 12 GP IO4 14 SCL 16 DG ND 18 ...

  • Texas Instruments TLV320AIC3007EVM-K - page 37

    Appendix C TLV320AIC3007EVM Layout Views www.ti.com Appendix C Figure C-1. Assembly layer Figure C-2. Top Layer SLAU286 – June 2009 TLV320AIC3007EVM Layout Views 37 Submit Documentation Feedback ...

  • Texas Instruments TLV320AIC3007EVM-K - page 38

    Appendix C www.ti.com Figure C-3. Layer 3 Figure C-4. Layer 4 38 TLV320AIC3007EVM Layout Views SLAU286 – June 2009 Submit Documentation Feedback ...

  • Texas Instruments TLV320AIC3007EVM-K - page 39

    www.ti.com Appendix C Figure C-5. Bottom Layer SLAU286 – June 2009 TLV320AIC3007EVM Layout Views 39 Submit Documentation Feedback ...

  • Texas Instruments TLV320AIC3007EVM-K - page 40

    Appendix D TLV320AIC3007EVM Bill of Materials Appendix D www.ti.com The complete bill of materials for the modular TLV320AIC3007EVM is provided as a reference. Table D-1. TLV320AIC3007EVM Bill of Materials Item Qty Value Ref Des Description Vendor Part Number No. ATTENTION: Alternate Resistor and Capacitor vendors may be used. In this case substitu ...

  • Texas Instruments TLV320AIC3007EVM-K - page 41

    www.ti.com Appendix D Table D-1. TLV320AIC3007EVM Bill of Materials (continued) Item Qty Value Ref Des Description Vendor Part Number No. 34 7 W1–W5, W7, W8 Bus Wire (18–22 Gauge) 35 2 W9, W14 3 Position Jumper , 0 .1" spacing Samtec TSW-103-07-L-S 36 1 MK1 Omnidirectional Microphone Cartridge Knowles Acoustics MD9745APZ-F or alternate Kno ...

  • Texas Instruments TLV320AIC3007EVM-K - page 42

    Appendix E USB-MODEVM Schematic Appendix E www.ti.com The schematic diagram for USB-MODEVM Interface Board (included in the TLV320AIC3007EVM-K) is provided as a reference. It appears on the following page. 42 USB-MODEVM Schematic SLAU286 – June 2009 Submit Documentation Feedback ...

  • Texas Instruments TLV320AIC3007EVM-K - page 43

    Appendix F USB-MODEVM Bill of Materials www.ti.com Appendix F The complete bill of materials for USB-MODEVM Interface Board (included only in the TLV320AIC3007EVM-K)is provided as a reference. Table F-1. USB-MODEVM Bill of Materials Designators Description Manufacturer Mfg. Part Number R4 10 Ω 1/10W 5% Chip Resistor Panasonic ERJ-3GEYJ1300V R10, ...

  • Texas Instruments TLV320AIC3007EVM-K - page 44

    Appendix F www.ti.com Table F-1. USB-MODEVM Bill of Materials (continued) Designators Description Manufacturer Mfg. Part Number JMP1–JMP4 2-position jumper, 0.1" spacing Samtec TSW-102-07-L-S JMP8–JMP14 2-position jumper, 0.1" spacing Samtec TSW-102-07-L-S JMP5, JMP6 3-position jumper, 0.1" spacing Samtec TSW-103-07-L-S JMP7 3-po ...

  • Texas Instruments TLV320AIC3007EVM-K - page 45

    Appendix G USB-MODEVM Protocol G.1 USB-MODEVM Protocol www.ti.com Appendix G The USB-MODEVM is defined to be a Vendor-Specific class, and is identified on the PC system as an NI-VISA device. Because the TAS1020 has several routines in its ROM which are designed for use with HID-class devices, HID-like structures are used, even though the USB-MODEVM ...

  • Texas Instruments TLV320AIC3007EVM-K - page 46

    USB-MODEVM Protocol www.ti.com Do the same with a fast mode I 2 C device: [0] 0x12 [1] 0xA0 [2] 0x02 [3] 0x05 [4] 0xAA [5] 0x55 Now with an SPI device which uses an 8-bit register address: [0] 0x10 [1] 0xA0 [2] 0x02 [3] 0x05 [4] 0xAA [5] 0x55 Now consider a 16-bit register address, as found on parts like the TSC2101. Assume that the register addres ...

  • Texas Instruments TLV320AIC3007EVM-K - page 47

    www.ti.com USB-MODEVM Protocol If the command is sent with no problem, the returning byte [0] is the same as the sent one logically ORed with 0x20 - in the preceding first example, the returning packet is: [0] 0x31 [1] 0xA0 [2] 0x02 [3] 0x05 [4] 0xAA [5] 0x55 If for some reason the interface fails (for example, the I 2 C device does not acknowledge ...

  • Texas Instruments TLV320AIC3007EVM-K - page 48

    G.2 GPIO Capability GPIO Capability www.ti.com The USB-MODEVM has seven GPIO lines. Access them by specifying the interface to be 0x08, and then using the standard format for packets—but addresses are unnecessary. The GPIO lines are mapped into one byte (see Table G-3 ): Table G-3. GPIO Pin Assignments B i t 7 6543210 x P3.5 P3.4 P3.3 P1.3 P1.2 P ...

  • Texas Instruments TLV320AIC3007EVM-K - page 49

    G.3 Writing Scripts www.ti.com Writing Scripts A script is simply a text file that contains data to send to the serial control buses. The scripting language is simple, as is the parser for the language. Therefore, although the program is not forgiving about mistakes made in the source script file, the formatting of the file is simple. Consequently, ...

  • Texas Instruments TLV320AIC3007EVM-K - page 50

    Writing Scripts www.ti.com This script begins with a comment, specifies that a fast I 2 C bus is used, then writes 0xAA 0x55 to the I 2 C slave device at address 0x90, writing the values into registers 0x03 and 0x04. The script then reads back two bytes from the same device starting at register address 0x03. Note that the slave device value does no ...

  • Texas Instruments TLV320AIC3007EVM-K - page 51

    EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling th ...

  • Texas Instruments TLV320AIC3007EVM-K - page 52

    IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders ...

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