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Software Overview

www.ti.com

10

SLAU694 – December 2016

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Copyright © 2016, Texas Instruments Incorporated

TAS5780M Evaluation Module

3.4

Direct I

2

C

The I/O tab in the Direct I

2

C has two sub sections. The Input section has the provision to enter the read or

write commands scripts. Clicking the Execute button will execute the commands written in the Input
section. The status of the execution is displayed in the

Output

section as shown in

Figure 9

.

The Checksum button on the right is used to compute the checksum value of a cfg file. Load a cfg file by
clicking the

Checksum

button and then the computed XOR and CRC checksum will show on the

Output

section

Figure 9. Direct I

2

C Page, I/O Tab

Содержание TAS5780M

Страница 1: ...B The main contents of this document are Hardware descriptions and implementation Start up procedure using PurePath Console3 PPC3 software with TAS5780M plug in Related documents TAS5780M Data Sheet S...

Страница 2: ...B The PPCMB provides the I2 S I2 C and 3 3 VDC to the TAS5780MEVM Figure 1 TAS5780MEVM 1 1 Features GUI control via USB port Stereo and mono channels with I2 S input Processed and non processed mono c...

Страница 3: ...er on the PPCMB uses USB audio input default The I2 S signals LRCLK SCLK SDIN and MCLK come from the TAS1020B foobar2000 or similar non processing media source can be used to stream audio The TAS1020B...

Страница 4: ...CMB to the TAS5780MEVM Step 2 Connect speakers to TAS5780MEVM Step 3 Connect a PSU to the TAS5780MEVM and turn on the power 5 V and 3 3 V LEDs Yellow are illuminated The USB Lock LED Blue is also illu...

Страница 5: ...lity to support a number of TI s audio devices with features that make the audio tuning experience more intuitive and exciting Access can be requested on http www ti com tool PUREPATHCONSOLE Once appr...

Страница 6: ...opyright 2016 Texas Instruments Incorporated TAS5780M Evaluation Module When the window in Figure 5 is displayed click on sign in to see TAS5780 EVM application Click on TAS5780M box to download TAS57...

Страница 7: ...t Documentation Feedback Copyright 2016 Texas Instruments Incorporated TAS5780M Evaluation Module After installation TAS5780 EVM box will appear in Installed EVM Apps section see Figure 6 Click on TAS...

Страница 8: ...features that are available for that EVM When a feature is selected then the respective page is loaded If the EVM is powered on and the USB is connected to the PC the Home Page will display Connect bu...

Страница 9: ...System Checks The System Checks Page See Figure 8 is used to determine whether the EVM can be configured correctly and receive audio stream from PC via USB These checks will complete in a few minutes...

Страница 10: ...ion to enter the read or write commands scripts Clicking the Execute button will execute the commands written in the Input section The status of the execution is displayed in the Output section as sho...

Страница 11: ...earch option to search for a particular command The search key can be found at the top left of the window with the search icon Save to a file can be used to save the log as a cfg file Delete Output cl...

Страница 12: ...Copyright 2016 Texas Instruments Incorporated TAS5780M Evaluation Module 3 5 Audio I O This tool selects the desired audio input to the EVM USB coax analog optical and PSIA external I2 S are supported...

Страница 13: ...ster values hexadecimal in the TAS5780M and it can be also used to change the register values Manually changing register values is accomplished by double clicking in the desired bit to change Clicking...

Страница 14: ...n Module 3 7 End System Integration The End System Integration Page offers a powerful tool to generate a configuration file to use with processors and a method to debug the device in the end system Th...

Страница 15: ...er File This tool is used to generate a header or configuration file for the evaluated device according to the features evaluated and configured with PPC3 A few settings are available for file generat...

Страница 16: ...helps debug the device which is already integrated in the end system This is possible by connecting the I2 C signals of the end system device to the SCL SDA and GND test points of PPCMB Only Register...

Страница 17: ...80M Evaluation Module 3 7 3 In System Tuning Even if the device is integrated in the end application it is still possible to make fine adjustments with the help of In System Tuning Like the In System...

Страница 18: ...ule 3 8 Tuning and Audio Processing 3 8 1 Input Mixer The input mixer can be used to mix the left and right channel input signals as shown in Figure 17 The input mixer has four coefficients which cont...

Страница 19: ...s It uses its interpolator and two Equalizer banks The interpolator can be configured to work with 1x 2x or 3x While playing 96 kHz 88 2 kHz 48 kHz and 44 1 kHz TAS5780M is configured in auto mode to...

Страница 20: ...Bank 2 will be active after the sampling rate is entered The Sync Bank 1 and 2 box is used to make sure the equalizer coefficients on Bank 1 and Bank 2 are synchronized when either of them is changed...

Страница 21: ...zero charts are also available on the right side 3 8 4 DEQ The dynamic equalizer mixes the audio signals routed through two paths containing one BQ each based upon the signal level detected by the se...

Страница 22: ...rol is done by sensing the audio signal level using an estimate of the alpha filter energy then adjusting the gain based on the region and slope parameters that are defined The two band dynamic range...

Страница 23: ...of the gain coefficients Since filters effect phase a phase reversal or a 180 degree phase shift may be necessary Use a negative sign on the coefficient to reverse the phase 3 8 5 2 Crossover By defau...

Страница 24: ...this threshold compression will be applied 3 8 6 2 Alpha ms This parameter configures the sharpness of the compression knee of the AGL 3 8 6 3 Attack This parameter controls how quickly compression w...

Страница 25: ...ments Incorporated TAS5780M Evaluation Module Figure 26 AGL Attack and Release 3 8 7 THD Boost Fine Volume A THD boost and fine volume together can be used to achieve digitally the specified THD level...

Страница 26: ...ple Register Tuning The SDOUT Origin dropdown list selects what is being output as SDOUT via GPIO pins The Mute check box can be used to mute unmute the TAS580M device The Standby and Powerdown check...

Страница 27: ...orated TAS5780M Evaluation Module 3 8 9 Level Meter Figure 29 shows the level meter which uses an energy estimator with a programmable time constant to adjust the sensitivity level based on signal fre...

Страница 28: ...0dB 480kHz 20dB 384kHz 14dB 768kHz 14dB 576kHz 14dB 480kHz 14dB 384kHz 750k Ohms R GF2 150k Ohms 50k Ohms 850k Ohms 650k Ohms 250k Ohms 550k Ohms 350k Ohms 450k Ohms 450k Ohms 350k Ohms 550k Ohms 250k...

Страница 29: ...0 1 F C37 22 F C38 0 1 F C41 22 F C42 0 22 F C30 0 22 F C34 0 22 F C44 0 22 F C47 SPK2_OUTA GND OUT2A 0 68 F C35 GND 0 68 F C46 OUT2B SPK2_OUTB 1 2 J4 OUT2 18 R34 DNP DNP 330pF C57 DNP DNP GND SNUBBE...

Страница 30: ...1 SDOUT1 SDIN2 3 3V 3 3V FROM DUTS RESET 1 GND 2 MR 4 RESET 3 VDD 5 U6 TPS3825 33QDBVRQ1 GND 3 3V 2 1 S1 RESET GND 10 0k R25 47pF C56 3 3V RESET 0 1 F C54 GND 3 3V 0 1 F C55 GND 3 3V TP12 SDIN1 Green...

Страница 31: ...ematic 31 SLAU694 December 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TAS5780M Evaluation Module 4 2 Board Layouts Figure 33 and Figure 34 illustrate the board la...

Страница 32: ...uts Bill of Materials and Schematic www ti com 32 SLAU694 December 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TAS5780M Evaluation Module Figure 34 Bottom Composit...

Страница 33: ...D Green SMD LED_0805 LTST C170KGKT Lite On H1 H2 H3 H4 4 MACHINE SCREW PAN PHILLIPS M3 M3 Screw RM3X8MM 2701 APM HEXSEAL H5 H6 H7 H8 4 Washer Flat 4 Nylon 3200 Keystone H9 H10 H11 H12 4 Standoff HexBr...

Страница 34: ...oint 5000 Keystone TP15 TP18 TP19 3 Test Point Miniature Black TH Black Miniature Testpoint 5001 Keystone U1 U2 2 Digital Input Closed Loop Class D Amplifier with 96 kHz Processing DCA0048G TSSOP 48 D...

Страница 35: ...are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasona...

Страница 36: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Страница 37: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Страница 38: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Страница 39: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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