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Texas Instruments TLV320AIC12KEVM-K User Manual
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Texas Instruments TLV320AIC12KEVM-K User Manual

Texas Instruments TLV320AIC12KEVM-K User Manual

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TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's
This user's guide describes the characteristics, operation, and use of evaluation modules
TLV320AIC12KEVM and TLV320AIC14KEVM, both as stand-alone and as kits (TLV320AIC12KEVM-K
and TLV320AIC14KEVM-K). This EVM is a complete audio codec with several analog audio inputs and
outputs. A complete circuit description, schematic diagram and bill of materials are also included.
The following related documents are available through the Texas Instruments web site at www.ti.com.
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EVM Bill of Materials
Appendix A
TLV320AIC12KEVM/14KEVM Schematic
Appendix B
USB-MODEVM Schematic
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Default Software Screen
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Information Tab
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Sounds and Audio Devices Properties
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Preset Configurations
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Device Controls Tab
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Control Register 1 Tab
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Control Register 2 Tab
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Control Register 3 Tab
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Control Register 4 Tab
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Control Register 5 Tab
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Control Register 6 Tab
SMARTDM is a trademark of Texas Instruments.
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I
C is a trademark of Koninklijke Philips Electronics N.V.
Windows is a registered trademark of Microsoft Corporation.
LabView is a trademark of National Instruments.
SLAU229A - October 2007 - Revised June 2008
Submit Documentation Feedback
EVM-Compatible Device Data Sheets
Device
TLV320AIC12K/14K
TAS1020B
REG1117-3.3
TPS767D318
SN74LVC125A
SN74LVC1G125
SN74LVC1G07
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SLAU229A - October 2007 - Revised June 2008
Literature Number
SLWS115E
SLES025
SBVS001
SLVS209
SCAS290
SCES223
SCES296
Contents
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List of Figures
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TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide
User's Guide
Guide
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Summary of Contents for Texas Instruments TLV320AIC12KEVM-K

  • Page 1: Table Of Contents

    TLV320AIC14KEVM-K). This EVM is a complete audio codec with several analog audio inputs and outputs. A complete circuit description, schematic diagram and bill of materials are also included. The following related documents are available through the Texas Instruments web site at www.ti.com. EVM-Compatible Device Data Sheets...
  • Page 2 ..............USB Control Endpoint HIDSETREPORT Request ....................Data Packet Configuration ....................GPIO Pin Assignments ................. TLV320AIC12KEVM/14KEVM Bill of Materials ..................USB-MODEVM Bill of Materials TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...

  • Page 3: Evm Overview

    EVM Overview Features • Full-featured evaluation board for the TLV320AIC12K/14K audio codec • TLV320AIC12KEVM-K/14KEVM-K features USB connectivity for quick and easy setup. • Intuitive evaluation software • Easy interfacing to multiple analog sources • Analog output signals from the TLV320AIC12K/14K are available on top and bottom connectors.

  • Page 4: Digital Interface

    Table 3. Digital Interface Pinout PIN NUMBER SIGNAL DESCRIPTION J4.1 Not Connected J4.2 Not Connected J4.3 Not Connected J4.4 DGND Digital Ground J4.5 Not Connected TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 5 The reset and power down (RESET and PWRDN) signals are routed to J4. I C™ is actually routed from the USB-MODEVM to both connectors; however, the codec and EEPROM are only connected to J5. SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...

  • Page 6: Power Supplies

    DVDD (1.8V) J3.7 J3.8 IOVDD (3.3V) J3.9 J3.10 The TLV320AIC12KEVM-K/14KEVM-K motherboard (the USB-MODEVM Interface board) supplies power to J3 of the TLV320AIC12KEVM/14KEVM. Power for the motherboard is supplied either through its USB connection or via terminal blocks on that board. Stand-Alone Operation When used as a stand-alone EVM, power can be applied to J3 directly.

  • Page 7: Kit Operation

    Source for INM1. Set to 1-2 when using external common mode for MICIN Installed Disconnects electret microphone (MK1) Kit Operation This section provides information on using the TLV320AIC12KEVM-K/14KEVM-K, including set up, program installation, and program usage. TLV320AIC12KEVM-K/14KEVM-K Block Diagram A block diagram of the TLV320AIC12KEVM-K/14KEVM-K is shown in Figure 1.
  • Page 8 SMARTDM Audio Interface Figure 1. TLV320AIC12KEVM-K/14KEVM-K Block Diagram The USB-MODEVM Interface board is intended to be used in USB mode, where control of the installed EVM is accomplished using the onboard USB controller device. Provision is made, however, for driving all the data buses (I C, PCM/SMARTDM™) externally.
  • Page 9 Audio Device'. Once the device drivers are installed launch the TLV320AIC12K/14K Evaluation Tool software on your PC, located on the computer's desktop or in 'Start>Programs>Texas Instruments'. The software should automatically find the TLV320AIC12K/14K, and a screen similar to the one in Figure 2 should appear.
  • Page 10 USB-MODEVM board, see the USB-MODEVM Interface Board schematic in Appendix Program Description After the TLV320AIC12KEVM-K/14KEVM-K software installation (described in Section 6.2) is complete, evaluation and development with the TLV320AIC12K/14K can begin. TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A –...
  • Page 11 Below the Interface indicator is the Device Connected indicator. The TLV320AIC12K/14K Evaluation Tool detects whether or not the TLV320AIC12KEVM-K/14KEVM-K is present. If the device is unplugged from the USB port or if the device driver is not installed properly, the Device Connected indicator will turn red.
  • Page 12 TLV320AIC12K/14K. In this configuration, the TLV320AIC12K/14K can transmit and receive audio data to/from an external PCM device or DSP. SW2 on the USB-MODEVM must be configured as shown in the right section of Figure TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 13 Load button. At the same time, this will show the preset's executed commands on the Command Buffer of the Command Line Interface tab (see Figure 13). SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 14 The Device Position control lets the user select a specific codec on a master-slave chain to write to or read from. The TLV320AIC12KEVM-K/14KEVM-K is configured as a stand-alone slave, so the device position must be set to zero. The Program Device button, when pushed, programs the register corresponding only to the selected Control Registers sub tab.
  • Page 15 The indicator below each switch will light when on only if the register data sent by pressing the Program Device button is acknowledged. SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 16 C address. The last 4 bits of the address will depend on the automatic cascade detection (ACD) feature of SMARTDM™, which sets the device position. TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 17 FS=MCLK÷(16×P×M×N). The PLL Method switch illustrates that for coarse sampling, P must be equal to 8. Please note that the FS calculator and the PLL Method SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 18 1.35V. To use this mode, jumper W11 must be installed on pins 2-3. Jumper W12 must be installed if using the on-board electret microphone (MK1), otherwise a microphone can be connected to J8. TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008...
  • Page 19 13). This design allows the software to be used as a quick test tool or to help provide troubleshooting information in the rare event that the user encounters a problem with this EVM. SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 20 The final menu item is Exit, which terminates the TLV320AIC12K/14K Evaluation Tool software. TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 21 Figure 15. Options Menu Under the Help menu is an About... menu item (Figure 16) which displays information about the TLV320AIC12KEVM/14KEVM software. SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 22 0x09 SET_REPORT wValue 0x00 don't care wIndex 0x03 HID interface is index 3 wLength calculated by host Data Data packet as described below TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 23 C interfaces, the reg address as sent for SPI interfaces, the read back data from SPI line for transmission of the corresponding byte [4..60] echo of data packet sent SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 24 The return packet should be 0x21 0x80 0x02 0x01 0x45 0xA0 assuming that the values we wrote above starting at Register 5 were actually written to the device. TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 25 0x00 --> this value is ignored 0x01 --> length - ALWAYS a 1 0x00 --> this value is ignored The return packet should be: 0x28 0x00 0x01 0x00 0x3F SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 26 SPI mode). Following these two bytes are data, if writing; if reading, the third byte value is the number of bytes to read, (expressed in hexadecimal). TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 27 The previous command writes registers 1, 2, 3, 4A, 5C and 6. It will not increment from 3 to 4A and then to 4B. The subregister to be written will depend on the data. SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 28 # reg 06 - MICIN with external common mode, OUTP2/P3 drivers on. w 80 06 1C # reg 01 - Continuous data transfer mode, 16 bits. w 80 01 41 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 29 PC Test Point - Miniature Keystone Electronics 5001 (black) TP1-TP10, TP17-TP26 PC Test Point - Miniature Keystone Electronics 5002 (white) Header shorting block Samtec SNT-100-BK-T SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 30 Single IC buffer driver with Texas Instruments SN74LVC1G07DBVR open drain o/p Single 3-state buffer Texas Instruments SN74LVC1G125DBVR 64K 2-Wire serial EEPROM Microchip 24LC64I/SN USB-MODEVM PCB Texas Instruments 6463995 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 31 Samtec TSW-103-07-L-D 0.1" spacing SMT, half-pitch C&K Division, ITT TDA02H0SK1 2-position switch SMT, half-pitch C&K Division, ITT TDA08H0SK1 8-position switch Jumper plug Samtec SNT-100-BK-T SLAU229A – October 2007 – Revised June 2008 TLV320AIC12KEVM-K and TLV320AIC14KEVM-K User's Guide Submit Documentation Feedback...
  • Page 32 Appendix A www.ti.com Appendix A TLV320AIC12KEVM/14KEVM Schematic The schematic diagram is provided as a reference. TLV320AIC12KEVM/14KEVM Schematic SLAU229A – October 2007 – Revised June 2008 Submit Documentation Feedback...
  • Page 33 REVISION HISTORY ENGINEERING CHANGE NUMBER APPROVED OUTM1 A0(-) A0(+) OUTP1 CNTL GPIO0 A1(-) A1(+) OUTP2 CLKX DGND OUTMV A2(-) A2(+) OUTMV CLKR GPIO1 A3(-) A3(+) OUTP3 GPIO2 AGND DGND AGND GPIO3 AGND GPIO4 RESET VCOM AGND REF- TOUT DGND AGND REF+ PWDN GPIO5...
  • Page 34 REVISION HISTORY ENGINEERING CHANGE NUMBER APPROVED OUTP1 OUTP1 IOVDD OUTP1 OUTM1 TP17 0.1uF OUTM1 PWDN PWDN PWDN OUTM1 IOVDD OUT1 OUTP2 +3.3VA OUTMV TP28 DRVSS OUTP3 TP11 AGND 10uF OUT2 TP18 TP12 DGND TP19 0.1uF DOUT DOUT DOUT OUTP2 C22 47uF OUTP2 OUTP2 TP20...
  • Page 35 Appendix B www.ti.com Appendix B USB-MODEVM Schematic The schematic diagram is provided as a reference. SLAU229A – October 2007 – Revised June 2008 USB-MODEVM Schematic Submit Documentation Feedback...
  • Page 36 REVISION HISTORY ENGINEERING CHANGE NUMBER APPROVED USB Interface Daughtercard Interface USB Interface Daughtercard Interface MCLK MCLK BCLK BCLK LRCLK LRCLK I2SDIN I2SDIN I2SDOUT I2SDOUT MISO MISO MOSI MOSI SCLK SCLK RESET RESET PWR_DWN PWR_DWN P3.3 P3.3 P3.4 P3.4 P3.5 P3.5 P1.0 P1.0 P1.1...
  • Page 37 REVISION HISTORY ENGINEERING CHANGE NUMBER APPROVED IOVDD C32 +3.3VD +3.3VD 0.1uF 0.1uF 0.1uF +3.3VD IOVDD +3.3VD C34 IOVDD +3.3VD IOVDD +3.3VD +3.3VD SN74LVC1G126DBV VCCA VCCB USB MCK DIR1 0.1uF 0.1uF 0.1uF EXT MCK EXT MCLK DIR2 0.1uF 200k 2.7K 2.7K VCCB VCCA USB I2S...
  • Page 38 REVISION HISTORY ENGINEERING CHANGE NUMBER APPROVED JMP5 A0(-) A0(+) CNTL GPIO0 A1(-) A1(+) CLKX DGND A2(-) A2(+) CLKR GPIO1 A3(-) A3(+) GPIO2 AGND DGND AGND GPIO3 AGND GPIO4 IOVDD VCOM AGND REF- TOUT DGND +3.3VD AGND REF+ GPIO5 J13A (TOP) = SAM_TSM-105-01-L-DV-P +5VA DAUGHTER-ANALOG J13B (BOTTOM) = SAM_SSW-105-22-F-D-VS-...
  • Page 39 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 the product(s) must have electronics training and observe good engineering practice standards.
  • Page 40 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 and should verify that such information is current and complete.

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