Texas Instruments TLV320AIC20KEVM User Manual Download Page 9 | Manualshive

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Texas Instruments TLV320AIC20KEVM User Manual Download Page 9

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EVM Overview

EVM Overview

This user’s guide provides support for the following EVMs:

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TLV320AIC20KEVM

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TLV320AIC24KEVM

Figure 1

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1. EVM

The EVM is split into two complementary halves as shown in Figure 1

SLAVE CODEC

MASTER CODEC

Chapter 1

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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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