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Texas Instruments DSP-Codec User Manual Download Page 10

Features

1-2

1.1

Features

-

Provides all necessary voltages for device under test

-

Provides bit clock for codecs

-

Flexible interface to popular TI DSPs

-

General codec requirements are addressed

1.2

Introduction

The DSP-codec development platform provides all the supplementary control
signals necessary to interface a range of TI codecs to TI DSP starter kits
(DSKs).

The platform supports the following devices

-

TLV320AIC1103

-

TLV320AIC1106

-

TLV320AIC1107

-

TLV320AIC1109

-

TLV320AIC1110

-

TLV320AIC12

-

TLV320AIC13

-

TLV320AIC14

-

TLV320AIC15

-

TLV320AIC20

-

TLV320AIC21

-

TLV320AIC22

-

TLV320AIC24

Summary of Contents for DSP-Codec

Page 1: ...DSP Codec Development Platform September 2002 Data Acquisition Products User s Guide SLAU090...

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: ...e is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is designed...

Page 5: ...view Chapter 2 Digital Interface Chapter 3 Support Functions Chapter 4 EVM Bill of Materials and Schematic Related Documentation From Texas Instruments To obtain a copy of any of the following TI docu...

Page 6: ...the limits of computing devices pursuant to subpart J of part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in o...

Page 7: ...3 3 Support Functions 3 1 3 1 Introduction 3 2 3 1 1 MCLK Generation 3 2 3 1 2 Reset Generation 3 2 3 1 3 Power Options 3 2 3 2 Key Signal Synchronization 3 3 4 EVM Bill of Materials and Schematic 4 1...

Page 8: ...Contents viii...

Page 9: ...1 1 Introduction and EVM Overview Introduction and EVM Overview This chapter provides a brief overview of the DSP codec development plat form Topic Page 1 1 Features 1 2 1 2 Introduction 1 2 Chapter 1...

Page 10: ...sed 1 2 Introduction The DSP codec development platform provides all the supplementary control signals necessary to interface a range of TI codecs to TI DSP starter kits DSKs The platform supports the...

Page 11: ...ital Interface Digital Interface This chapter describes the digital interface of the DSP codec development platform Topic Page 2 1 Introduction 2 2 2 2 DSP to Platform 2 3 2 3 Platform to Codec 2 3 Ch...

Page 12: ...rface of the development platform DSP to platform Platform to codec Figure 2 1 DSP Codec Development Platform 40 Pin Connector Is Assembled Onto the Top Side of Board and Mates With Various Codecs 80...

Page 13: ...K Master clock J2 2 DGND Digital ground J2 3 SCLK Serial data clock J2 4 DGND Digital ground J2 5 DIN Data in J2 6 DGND Digital ground J2 7 DOUT Data out J2 8 Reserved Reserved for future use J2 9 FS...

Page 14: ...l Description J2 32 DGND Digital ground J2 33 3 3V_A_DRV Output driver supply 3 3 V J2 34 AGND Analog ground J2 35 3 3V_A_DRV Output driver supply 3 3 V J2 36 AGND Analog ground J2 37 3 3V_A Analog 3...

Page 15: ...3 1 Support Functions Support Functions This chapter provides a description of the codec support functions Topic Page 3 1 Introduction 3 2 3 2 Key Signal Synchronization 3 3 Chapter 3...

Page 16: ...k source Table 3 1 Jumper W2 Function Position Function 1 2 DSP Clock is selected 2 3 100 MHz clock from development platform is selected 3 1 2 Reset Generation Reset may be generated by either the DS...

Page 17: ...before being applied to any codec As mentioned previously RESET is generated by the DSK or the user and is asynchronous to the MCLK Synchronization is achieved by D type flip flop Similarly the PWDN s...

Page 18: ...3 4...

Page 19: ...aterials and Schematic EVM Bill of Materials and Schematic The development platform bill of materials and schematic are provided in this chapter Topic Page 4 1 EVM Bill of Materials 4 2 4 2 EVM Schema...

Page 20: ...1 0 k 1 8 W 5 1206 SMD Panasonic ERJ 8GEYJ102V R3 R4 R5 Resistor 10 k 1 8 W 5 1206 SMD Panasonic ERJ 8GEYJ103V R7 R6 Resistor 130 k 1 8 W 5 1206 SMD Panasonic ERJ 8GEYJ134V D1 D2 LED green clear 1206...

Page 21: ...2002 Drawn By Engineer Revision History REV ECN Number Approved CODEC Development system DOCUMENTCONTROL 1 8V_D 3 3V_D 3 3V_A 3 3V_A_DRV DSP_3 3VDC DSP_5VDC Power Supply Power 3 3V_D 1 8V_D 3 3V_A_DR...

Page 22: ...GND 8 Vout_1 19 Vout_1 18 Vout_2 12 Vin_2 10 Vout_2 13 Vin_2 9 RESET 15 Vsense2 14 U1 TPS70151 FB1 C1 33uF 3 3V_D FB2 C2 33uF 1 8V_D TP1 R1 270R TP2 D1 DGND DGND DGND FB3 TP3 TP4 DGND AGND DGND DGND C...

Page 23: ..._D R5 10K 3 3V_D C12 10uF C13 10uF DGND C9 0 1uF C14 10uF DGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 J3 40PIN_IDC FS_1 SYNC_PWD...

Page 24: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments AICDEVPLATEVM...

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