Texas Instruments TAS6421-Q1 EVM User Manual

Evaluation module

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This manual describes the operations of the TAS6421-Q1. The TAS6421-Q1 is a stand-alone EVM. The

PurePath™ Control Console 3 GUI (PPC3) is used to initialize and operate the EVM. The main topics of

this document are:

•

Hardware implementation and descriptions

•

Software implementation and descriptions

•

TAS6421-Q1 EVM operations (hardware and software)

Required equipment and accessories:

1. TAS6421-Q1 EVM

2. USB A male to micro B male cable

3. Power Supply Unit (PSU) up to 26.4 V, > 6 A capable, if J12 is removed and 12 V is provided.

If J12 is in, limit the input voltage to 18 V.

4. 1 resistive load or speaker load

5. 2 pair of wires stripped both ends

6. 2-mm slotted screwdriver

7. Optical audio source (optional)

8. Optical SPDIF cable (optional)

9. Desktop or laptop PC with Microsoft

Hardware Overview

Software Overview

Board Layouts, Bill of Materials, and Schematic

TAS6421-Q1 EVM Bill of Materials

Trademarks

PurePath is a trademark of Texas Instruments.

Microsoft, Windows are registered trademarks of Microsoft Corporation.

All other trademarks are the property of their respective owners.

SLOU415 – April 2019

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TAS6421-Q1 Evaluation Module

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List of Tables

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7 or Windows

10 operating system

Contents

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User's Guide

SLOU415 – April 2019

TAS6421-Q1 Evaluation Module

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Summary of Contents for Texas Instruments TAS6421-Q1 EVM

Page 1 Hardware implementation and descriptions • Software implementation and descriptions • TAS6421-Q1 EVM operations (hardware and software) Required equipment and accessories: 1. TAS6421-Q1 EVM 2. USB A male to micro B male cable 3. Power Supply Unit (PSU) up to 26.4 V, > 6 A capable, if J12 is removed and 12 V is provided.
Page 2 Hardware Overview TAS6421-Q1E1 Evaluation Module Description The TAS6421-Q1 EVM is a stand-alone EVM. It has single power supply input, USB control via PurePath Control Console 3 (PPC3) and two digital (I2S) audio input options. See the EVM block diagram in Figure Figure 1.
Page 3 After login, the user will see this web page with a similar list of software products available for download. SLOU415 – April 2019 TAS6421-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 4 Advanced Information Software Overview www.ti.com Figure 2. PPC3 Download Window TAS6421-Q1 Evaluation Module SLOU415 – April 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 5 “sign in” to see TAS6421 EVM application. All of the apps shown below may not be displayed for the user. SLOU415 – April 2019 TAS6421-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 6 TAS6421 EVM box appears in “Installed EVM Apps” section, see Figure 4. Click on TAS6421 box to launch TAS6421 App. Figure 4. Available Apps Window TAS6421-Q1 Evaluation Module SLOU415 – April 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 7 USB is connected to the PC, the Home Window displays “Connect” box in the bottom right hand corner. If the EVM is not powered on or the USB is not connected, only “TAS6421-Q1 EVM – Offline” is displayed. There are three windows available with the TAS6421-Q1 EVM PPC3: Home Window, Register Map Window and Device Monitor and Control Window.
Page 8 Software Overview www.ti.com PurePath™ Console 3 – TAS6421-Q1 EVM Register Map Window When click on Register Map Box on the Home Window, the Register Map Window is displayed. The Register Map indicates the current setting of all the registers in TAS6421-Q1.
Page 9 Software Overview www.ti.com PurePath™ Console 3 – TAS6421-Q1 EVM Monitor and Control Window When click on Device Monitor and Control Box on the Home Window, the Device Monitor and Control Window is displayed. The Register Map indicates the current setting of all the registers in TAS6421-Q1.
Page 10 Desk top or laptop PC running Windows 7. Open PPC3 GUI. • Connect 14.4 VDC PSU to TAS6421-Q1 EVM • Connect speaker or resistive load to TAS6421-Q1 EVM • Connect USB micro cable from PC to the EVM • Set the switches (SPDIF, STANDBY, MUTE, XMOS Enable) to up positions •...
Page 11 Click on “CONNECT” button on the bottom left corner of the TAS6421-Q1 EVM application window, see Figure 9. The LED next to the TAS6421-Q1 EVM changes from gray to green and the “CONNECT” button changes to “DISCONNECT” button. Click on the TAS6421-Q1 Device Monitor and Control box. The following window is displayed.
Page 12 The volume slew rate is measured with sampling frequency. The default setting is 1 period of sampling frequency (FSYNC or FS). This rate is selectable from 1 to 8 sampling periods with the drop down menu under “Vol Rate” box. TAS6421-Q1 Evaluation Module SLOU415 – April 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 13 LED on the EVM. Clear button clears all the faults and warnings. Read button manually read the faults and warnings. Figure 13. Faults and Warnings Section SLOU415 – April 2019 TAS6421-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 14 “Retry” box is used when DC load diagnostics are run more than one time. DC load diagnostics can be aborted by click on the “Abort LD” box. TAS6421-Q1 Evaluation Module SLOU415 – April 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 15 Advanced Information Software Overview www.ti.com Figure 15. DC Load Diagnostics Section SLOU415 – April 2019 TAS6421-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 16 3.5.3 TAS6421-Q1 Settings on Register Map Window The register map can be sorted either alphabetically or numerically (register number). Figure 16. Register Map Window TAS6421-Q1 Evaluation Module SLOU415 – April 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 17 Figure 17. Register Map Window - Expanding Double click on any bit, the bit changes state. This state is executed at the end of the click. SLOU415 – April 2019 TAS6421-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 18 The I2C commands can also be copied to clip board by clicking the icon next to trash bin icon. Figure 18. I2C Window – I2C Logging TAS6421-Q1 Evaluation Module SLOU415 – April 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 19 “Execute” button on the bottom left corner. The I2C commands are sent to the device when the “Execute” button is pressed. Figure 19. I2C Window – Sending I2C Commands SLOU415 – April 2019 TAS6421-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 20 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com Board Layouts, Bill of Materials, and Schematic TAS6421-Q1 EVM Layouts Figure 20. TAS6421-Q1 EVM Top TAS6421-Q1 Evaluation Module SLOU415 – April 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 21 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com Figure 21. TAS6421-Q1 EVM Bottom SLOU415 – April 2019 TAS6421-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 22 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com TAS6421-Q1E3 EVM Schematic Figure 22. Schematic (Page 1) TAS6421-Q1 Evaluation Module SLOU415 – April 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 23 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com Figure 23. Schematic (Page 2) SLOU415 – April 2019 TAS6421-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 24 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com Figure 24. Schematic (Page 3) TAS6421-Q1 Evaluation Module SLOU415 – April 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 25 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com Figure 25. Schematic (Page 4) SLOU415 – April 2019 TAS6421-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
Page 26 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com Bill of Materials Table 1 lists the TAS6421-Q1 EVM bill of materials. Table 1. TAS6421-Q1 EVM Bill of Materials Alternate Designator Quantity Value Description Package Reference Part Number Manufacturer Alternate Part Number...
Page 27 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com Table 1. TAS6421-Q1 EVM Bill of Materials (continued) Alternate Designator Quantity Value Description Package Reference Part Number Manufacturer Alternate Part Number Manufacturer CAP, CERM, 2200 pF, 50 V, +/- 5%,...
Page 28 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com Table 1. TAS6421-Q1 EVM Bill of Materials (continued) Alternate Designator Quantity Value Description Package Reference Part Number Manufacturer Alternate Part Number Manufacturer RES, 1.00 k, 1%, 0.063 W, AEC-Q200 Grade R6, R8 1.00k...
Page 29 Advanced Information Board Layouts, Bill of Materials, and Schematic www.ti.com Table 1. TAS6421-Q1 EVM Bill of Materials (continued) Alternate Designator Quantity Value Description Package Reference Part Number Manufacturer Alternate Part Number Manufacturer 'Dual-Bit Dual-Supply Bus Transceiver, DKQ0056A SN74AVC2T244DQER Texas Instruments DQE0008A, LARGE T&R...
Page 30 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
Page 31 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
Page 32 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
Page 33 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
Page 34 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
Page 35 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...

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