Texas Instruments TLV320AIC20KEVM User Manual Download Page 3

EVM IMPORTANT NOTICE

Texas Instruments (TI) provides the enclosed product(s) under the following conditions:

This evaluation kit being sold by TI is intended for use for 

ENGINEERING DEVELOPMENT OR EVALUATION

PURPOSES ONLY

 and is not considered by TI to be fit for commercial use. As such, the goods being provided

may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective
considerations, including product safety measures typically found in the end product incorporating the goods.
As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic
compatibility and therefore may not meet the technical requirements of the directive.

Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the kit may be returned
within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE
WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,
IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user
indemnifies TI from all claims arising from the handling or use of the goods. Please be aware that the products
received may not be regulatory compliant or agency certified  (FCC, UL, CE, etc.). Due to the open construction
of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic
discharge.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE
TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

TI currently deals with a variety of customers for products, and therefore our arrangement with the user 

is not

exclusive

.

TI assumes 

no liability for applications assistance, customer product design, software performance, or

infringement of patents or services described herein

.

Please read the EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM
User’s Guide prior to handling the product. This notice contains important safety information about temperatures
and voltages. For further safety concerns, please contact the TI application engineer.

Persons handling the product must have electronics training and observe good laboratory practice standards.

No license is granted under any patent right or other intellectual property right of TI covering or relating to any
machine, process, or combination in which such TI products or services might be or are used.

Mailing Address:

Texas Instruments
Post Office Box 655303
Dallas, Texas 75265

Copyright 

©

 2005, Texas Instruments Incorporated

Summary of Contents for TLV320AIC20KEVM

Page 1: ...April 2005 Data Acquisition Products TLV320AIC20K 24KEVM User s Guide SLAU088A...

Page 2: ...t that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in wh...

Page 3: ...handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s r...

Page 4: ...ertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 30 C The EVM is designed to opera...

Page 5: ...Bill of Materials Appendix A TLV320AIC20K 24K Schematic FCC Warning This equipment is intended for use in a laboratory test environment only It gen erates uses and can radiate radio frequency energy a...

Page 6: ...TI documents call the Texas Instruments Literature Response Center at 800 477 8924 or the Product Information Center PIC at 972 644 5580 When ordering identify this booklet by its title and literature...

Page 7: ...1 2 1 Codec to Platform 2 2 2 2 Jumper Options 2 4 2 2 1 Stand Alone Slave 2 4 2 2 2 Single Master Only 2 5 2 2 3 Master Slave Cascade 2 5 3 Analog Interface 3 1 4 EVM Operation 4 1 5 TLV320AIC20K 24...

Page 8: ...ed Signals 4 2 Tables 2 1 Pinout for 40 Pin Connector 2 2 2 2 Jumper Options 2 4 2 3 Stand Alone Slave Jumper Settings 2 4 2 4 Single Master Only Jumper Settings 2 5 2 5 Master Slave Cascade Jumper Se...

Page 9: ...Overview This user s guide provides support for the following EVMs TLV320AIC20KEVM TLV320AIC24KEVM Figure 1 1 EVM The EVM is split into two complementary halves as shown in Figure 1 1 SLAVE CODEC MAS...

Page 10: ...1 2...

Page 11: ...a custom interface between the codec EVM and the host system Alternatively if a TI DSK DSP starter kit is the host system a develop ment platform AICDEVPLAT EVM is available from TI This platform pro...

Page 12: ...J21 6 DGND Digital ground J21 7 DOUT Data out J21 8 Reserved Reserved for future use J21 9 FS Frame sync J21 10 Reserved Reserved for future use J21 11 CLKX Transmit clock J21 12 Reserved Reserved for...

Page 13: ...AGND Analog ground J21 39 3 3V_A Analog 3 3 V J21 40 AGND Analog ground The development platform supports a number of functions that the codecs require These are MCLK generation Manual reset generatio...

Page 14: ...st be high Since the EVM contains two codecs there a variety of options available to the user Stand alone slave codec Single master codec Master slave cascade Note that the terms master and slave refe...

Page 15: ...t inserted W3 Inserted Not inserted W4 Inserted Not inserted P1 9 P1 10 N A N A 2 2 3 Master Slave Cascade This configuration applies to EVM1 only and is the factory set shipping condition When both c...

Page 16: ...le Table 3 1 Analog Interface Connectors TLV320AIC20K TLV320AIC24K Master Slave Master Slave Input Sources 8 Speaker output J2 J11 Not available 600 Line output J5 J4 J5 J4 150 Handset output J1 J9 J1...

Page 17: ...3 2...

Page 18: ...y based on the available MCLK It is now possible to calculate what should be observed after power up by calculating what FS and SCLK should be observed FS J In this example MCLK is generated by the de...

Page 19: ...4 2 The captured signals are shown in Figure 4 1 Figure 4 1 EVM Captured Signals FS SCLK...

Page 20: ...anasonic ECJ 2YB1H104K 16 0 1 F C1 C2 C3 C4 C5 C6 Capacitor 0 1 F 50 V ceramic X7R 0805 Panasonic ECJ 2YB1H104K C4 C5 C6 C7 C8 C9 C7 C8 C9 C10 C11 C 0 C C12 C13 C15 C19 C27 4 1 F C22 C30 Capacitor 1 F...

Page 21: ...J19 2 J16 J20 161 3504 Mouser 161 3504 2 J17 J18 4 Pin plug Samtec TSW 102 07 L D 4 J6 J7 W1 2 Position jumper Samtec TSW 102 07 L S W5 j p 3 W2 W3 W4 3 Position jumper Samtec TSW 103 07 L S 2 See As...

Page 22: ...A 1 TLV320AIC20K 24K EVM Schematic TLV320AIC20K 24K EVM Schematic The TLV320AIC20K 24KEVM schematics are provided on the following pages Appendix A...

Page 23: ...TI Boulevard Dallas Texas 75243 Title SHEET OF FILE SIZE DATE REV 10 Feb 2005 Drawn By Engineer Revision History REV ECN Number Approved AIC20 CODEC DOCUMENTCONTROL 2xAIC20 2xAIC20 Analog_IO Analog_IO...

Page 24: ...3V_A 3 3V_A 3 3V_A AGND AGND AGND 3 3V_A_DRV HDSI _b HDSI _b HDSO _b HDSO _b SPKO _b SPKO _b DRV_AGND CIDI _b CIDI _b MICI _b MICI _b MICBIASb HNSO _b HNSO _b HNSI _b HNSI _b LINEI _b LINEI _b LINEO _...

Page 25: ...DSO _a SPKO _a HDSO _a SPKO _a MICI _a MICI _a HNSO _a HNSO _a HNSI _a HNSI _a LINEI _a LINEI _a LINEO _a LINEO _a LCDAC_a HDSI _b HDSI _b HDSO _b SPKO _b HDSO _b SPKO _b HNSO _b HNSO _b HNSI _b HNSI...

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