Texas Instruments ADCx120EVM-PDK User Manual
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Texas Instruments ADCx120EVM-PDK User Manual

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User's Guide
ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation
Module
Steve Wilson
This user's guide describes the function and use of the ADCx120EVM-PDK and PCMD3140EVM-PDK.
This document includes the hardware configuration instructions, a quick-start guide, jumper and connector
descriptions, software description, schematics, and printed circuit board (PCB) layout that demonstrate TI's
recommended practices for these devices.
1
Introduction.............................................................................................................................................................................3
2 Hardware Overview................................................................................................................................................................
Settings..................................................................................................................................................................3
Overview................................................................................................................................................................12
Installation.......................................................................................................................................12
3.2 ADCx120EVM GUI Installation........................................................................................................................................
Settings......................................................................................................................................................................15
Operation........................................................................................................................................................16
Start.............................................................................................................................................................................16
Configuration.....................................................................................................................................................19
Materials...........................................................................................................................................20
7.1 ADCx120EVM-PDK Schematic and Bill of Materials.......................................................................................................
7.2 AC-MB Schematic and Bill of Materials...........................................................................................................................
7.3 Matlab Audio Capture Example.......................................................................................................................................
8 Revision History...................................................................................................................................................................
SBAU359A - MAY 2019 - REVISED JUNE 2021
Submit Document Feedback
ABSTRACT

Table of Contents

Settings.............................................................................................................................6
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S Output........................................................................................................
Copyright © 2021 Texas Instruments Incorporated
ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module
Table of Contents
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Summary of Contents for Texas Instruments ADCx120EVM-PDK

  • Page 1: Table Of Contents

    Steve Wilson ABSTRACT This user's guide describes the function and use of the ADCx120EVM-PDK and PCMD3140EVM-PDK. This document includes the hardware configuration instructions, a quick-start guide, jumper and connector descriptions, software description, schematics, and printed circuit board (PCB) layout that demonstrate TI's recommended practices for these devices.
  • Page 2 Figure 7-1. ADCx120EVM-PDK Schematics..........................Figure 7-2. AC-MB Schematics..............................List of Tables Table 1-1. TLV320ADCx120 Family.............................3 Table 2-1. Onboard Mic Jumper Configuration..........................Table 7-1. ADCx120EVM-PDK Bill of Materials.........................21 Table 7-2. AC-MB Bill of Materials............................. Trademarks PurePath ™ is a trademark of Texas Instruments.

  • Page 3: Introduction

    Introduction 1 Introduction The ADCx120EVM-PDK is an evaluation module (EVM) designed to demonstrate the performance and functionality of the TLV320ADCx120 family of devices. This family includes the devices shown in Table 1-1 with differences in performance and function noted. The family also includes the PCMD3140, which is the digital mic only version of the device.

  • Page 4: Figure 2-2. Ac-Mb Usb Audio Setting

    Figure 2-4 shows the AC-MB audio setting for the external mode of operation. Figure 2-4. AC-MB External Audio Setting ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module SBAU359A – MAY 2019 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 5: Figure 2-5. Ac-Mb Connection With External Audio Serial

    (USB or external). The voltage levels available are 1.8 V and 3.3 V, and can be selected via SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 6: Adcx120Evm-Pdk Hardware Settings

    GPIOs, or in DC coupled applications. Figure 2-7 shows a diagram of the EVM input architecture. Figure 2-7. TLV320ADCx120EVB Input Architecture ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module SBAU359A – MAY 2019 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 7: Figure 2-8. Tlv320Adcx120Evb Connection For Line Input

    If a single-ended source is used, then 1-VRMS signal is supported. Figure 2-8. TLV320ADCx120EVB Connection for Line Input Application SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 8: Table 2-1. Onboard Mic Jumper Configuration

    2.2.2 Onboard Microphone Configuration The ADCx120EVM-PDK comes equipped with 2 onboard microphones: 1x ICS-40740 analog microphone and 1x T5818 digital microphone. The ICS-40740 can be connected to IN1 and the T5818 can be connected to IN2 with onboard shunts using the jumper settings shown in...

  • Page 9: Figure 2-9. Onboard Mic Jumpers

    9c 74 A0 # Enable ASI Output Ch-1 and Ch-3 slots w 9c 75 E0 # Power-up ADC, MICBIAS and PLL SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 10: Figure 2-10. External Mics: 2X Analog Microphones

    IN2M_GPO1 to generate the PDMCLK signal. AMIC1 AMIC2 Figure 2-10. External Mics: 2x Analog Microphones ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module SBAU359A – MAY 2019 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 11: Figure 2-11. External Mics: 4X Digital Microphones

    AVDD AVDD PDMOUT AVDD PDMCLK *Requires AVDD = IOVDD Figure 2-12. External Mics: 2x Analog and 2x Digital Microphones SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 12: Software Overview

    3.1 PurePath Console 3 Installation The ADCx120EVM-PDK GUI is an application that installs into the PPC3 framework. PPC3 must be installed prior to downloading the ADCX120EVM-PDK GUI. To download the PPC3, visit www.ti.com/tool/...

  • Page 13: Adcx120Evm Gui Installation

    The TLV320ADCx120 GUI is designed to work with up to four devices at any time. As shown in Figure 3-3, choose the 1 device radial button and click New. Figure 3-3. Initial GUI Configuration SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 14: Figure 3-4. Audio Config Tab

    When the hardware is connected, the Connect button changes to read Disconnect, and the device is ready to be configured. ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module SBAU359A – MAY 2019 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 15: Gpio1 Settings

    GPIO1 pin layout. Figure 4-1. GPIO1 Function and Output Drive Settings Figure 4-2. GPIO1 Schematic SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 16: Master Mode Operation

    Master Mode Operation www.ti.com 5 Master Mode Operation To operate ADCx120EVM-PDK in master mode, S1 and S0 on the AC-MB must first be set to "External ASI" as illustrated in Figure 2-4. The device does not have a dedicated MCLK pin, the master clock can be applied at GPIO1, IN2P_GPI1, or MICBIAS_GPI2.

  • Page 17: Figure 6-3. Mic Bias Configuration

    Figure 6-5. Disabled Controls in Active Mode Audio can now be captured on your PC using the audio program of your choice. SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 18: Configuring The Audio Serial Bus For The I

    Read button, as shown in Figure 6-8, in the clock monitor pane. Figure 6-8. Clock Monitor Pane ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module SBAU359A – MAY 2019 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 19: Saving A Configuration

    PPC3 window and select Open. Navigate to the location of the saved .ppc3 file, and click Open. Figure 6-10. Saving a Configuration in PPC3 SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 20: Schematic And Bill Of Materials

    Schematic and Bill of Materials www.ti.com 7 Schematic and Bill of Materials 7.1 ADCx120EVM-PDK Schematic and Bill of Materials This section provides the schematics and bill of materials (BOM) for the ADCx120EVM-PDK. 7.1.1 ADCx120EVM-PDK Schematic Figure 7-1 shows the schematics for the ADCx120EVM-PDK.

  • Page 21: Table 7-1. Adcx120Evm-Pdk Bill Of Materials

    Schematic and Bill of Materials 7.1.2 ADCx120EVM-PDK Bill of Materials Table 7-1 lists the BOM for the ADCx120EVM-PDK. Table 7-1. ADCx120EVM-PDK Bill of Materials Designator Quantity Value Description Package Part Number Manufacturer Reference C1, C7, C8 CAP, CERM, 1...
  • Page 22 Schematic and Bill of Materials www.ti.com Table 7-1. ADCx120EVM-PDK Bill of Materials (continued) Designator Quantity Value Description Package Part Number Manufacturer Reference Connector, QTE-020-01-X-D- QTE-020-01-L-D- Samtec Header, High Speed, 20 pairs, 77Hz ~ LGA4 ICS-40740 20kHz Analog Microphone MEMS (Silicon) 1.5V ~ 3.63V...
  • Page 23 Schematic and Bill of Materials Table 7-1. ADCx120EVM-PDK Bill of Materials (continued) Designator Quantity Value Description Package Part Number Manufacturer Reference TP1, TP2, TP3, Test Point, Red Miniature 5000 Keystone TP4, TP5, TP6, Miniature, Red, Testpoint TP7, TP10, TP11,...

  • Page 24: Ac-Mb Schematic And Bill Of Materials

    0.1uF 0.1uF 0.1uF 0.1uF EVM-SPI-SS0 EVM-SPI-SS1 I²C Power Control Interface Translation Test Points EVM Connector Figure 7-2. AC-MB Schematics ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module SBAU359A – MAY 2019 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 25: Table 7-2. Ac-Mb Bill Of Materials

    Keystone 1/2" Male/Female, 4-40, Nylon, 1/2" H11, H12 Standoff, Male/Male Thread, 5.15 mm, Standoff SO-0515-02-02-01 Samtec M3 x 0.5 SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
  • Page 26 51.0k RES, 51.0 k, 1%, 0.05 W, 0201 0201 RC0201FR-0751K Yageo America 40.2k RES, 40.2 k, 1%, 0.063 W, AEC-Q200 0402 CRCW040240K2F Vishay-Dale Grade 0, 0402 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module SBAU359A – MAY 2019 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
  • Page 27 3-State Outputs, RSV0016A (UQFN-16) Photolink- Fiber Optic Receiver, TH 13.5x10x9.7mm PLR135/T10 Everlight Single Schmitt-Trigger Inverter, DCK0005A SN74LVC1G14DC Texas Instruments DCK0005A (SOT-SC70-5) SBAU359A – MAY 2019 – REVISED JUNE 2021 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
  • Page 28 TP15 Testpoint TP3, TP4, TP5, Test Point, Miniature, Green, TH Green Miniature 5116 Keystone TP6, TP11, TP12, Testpoint TP13 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module SBAU359A – MAY 2019 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...

  • Page 29: Matlab Audio Capture Example

    'SampleRate', 48000, … 'NumChannels', 8 ,… 'BitDepth', '32-bit float',… 'OutputDataType','double'); elseif ispc % windows driver devoiceReader = audioDeviceReader( 'Driver','ASIO', 'Device', 'Texas Instruments USB Audio ...',… 'SampleRate', 48000, … 'NumChannels', 8 ,… 'BitDepth', '32-bit float',… 'OutputDataType','double’); setup(deviceReader);% Setup the device reader % Play out a file through PC and capture in the EVM info = audioinfo( infile_name );% Read audiophile infile_name...

  • Page 30: Revision History

    NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision * (December 2020) to Revision A (June 2021) Page • Added PCMD3140EVM-PDK to document......................1 ADCx120EVM-PDK, PCMD3140EVM-PDK Evaluation Module SBAU359A – MAY 2019 – REVISED JUNE 2021 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated...
  • Page 31 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 32 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 33 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 34 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 35 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 36 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products.IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2021, Texas Instruments Incorporated...

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