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Chapter 3

SLEU097 – April 2008

System Interfaces

This chapter describes the TAS3208EVM-LC board in regard to system interfaces.

Topic

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Page

3.1

Digital Audio Interface

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3.2

Analog Audio Interface

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3.3

Control Interface

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SLEU097 – April 2008

System Interfaces

17

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Summary of Contents for TAS3208EVM-LC

Page 1: ...TAS3208EVM LC Low Cost LC Evaluation Module EVM for TAS3208 Digital Audio Processor User s Guide Literature Number SLEU097 April 2008...

Page 2: ...2 SLEU097 April 2008 Submit Documentation Feedback...

Page 3: ...n the EVM 13 2 4 1 Default Configuration 13 2 4 2 Configuring the EVM 13 2 4 3 Master Slave Mode Operation 14 2 4 4 Loading the Process Flow 14 2 4 5 Running the Process Flow 15 3 System Interfaces 17...

Page 4: ...udio I2 C Command File Window 14 List of Tables 1 Related TI Documentation 5 3 1 Digital Audio Input Interface J1 18 3 2 Digital Audio Output Interface J3 18 3 3 Analog Output Interface J5 19 3 4 Anal...

Page 5: ...are or equipment WARNING This is an example of a warning statement A warning statement describes a situation that could potentially cause harm to you The information in a caution or a warning is provi...

Page 6: ...g any new design verify that you are using the latest version of PurePath Studio GDE available by requesting access to the Texas Instruments Mixed Signal Audio Video extranet via http www k ext ti com...

Page 7: ...processing by using a 48 bit data path 28 bit filter coefficients and a single cycle 28 x 48 bit multiplier with a 76 bit accumulator An custom embedded 8051 microprocessor provides algorithm and data...

Page 8: ...evelops a signal processing flow and custom components using PurePath Studio The resulting process flows can be loaded into the EVM EEPROM via the USB The TAS3208 then loads the EEPROM contents and ex...

Page 9: ...ER HPOUT L R DACOUT2 L R LPF USB BUS POWER 5 V 500 mA I2S OUTPUT HEADER SDOUT1 2 2x ANALOG INPUTS 3 5 mm CONNECTOR TAS3208 LINEOUT1 L R HEADPHONE AMP 3 5 mm CONNECTOR ANALOG OUTPUTS HEADER LOW PASS FI...

Page 10: ...Headphone Output Stereo Line In Jack Control Header I S Input Header 2 I S Output Header 2 Analog Output Header EEPROM TAS3208 Reset TAS3208EVM LC PCB Component Mapping www ti com Figure 1 2 Component...

Page 11: ...C board in regard to power supply requirements and system interfaces The chapter provides information regarding handling unpacking and absolute operating conditions Topic Page 2 1 Unpacking the EVM 12...

Page 12: ...ice The TAS3208 is programmed and configured using Texas Instruments PurePath Studio PurePath Studio is composed of the graphical development environment GDE the integrated development environment IDE...

Page 13: ...tallation The TAS3208 is placed into the default configuration upon receiving a reset The reset signal comes from one of the two following methods Pressing the reset button Sending a reset signal thro...

Page 14: ...RCLK for the system must be externally provided by the user s system controller on the serial digital input header J1 The DSP MCU and I2 C clocks are still internally derived from the external crystal...

Page 15: ...the EVM then resets the TAS3208EVM LC board At this point the GDE switches from Edit Mode to Run Mode and streams audio from input to output For more advanced use of the GDE please refer to the GDE o...

Page 16: ...Quick Setup Guide 16 SLEU097 April 2008 Submit Documentation Feedback...

Page 17: ...This chapter describes the TAS3208EVM LC board in regard to system interfaces Topic Page 3 1 Digital Audio Interface 18 3 2 Analog Audio Interface 19 3 3 Control Interface 20 SLEU097 April 2008 Syste...

Page 18: ...input LRCLKIN 5 Digital ground GND 6 Serial data 1 input SDIN1 7 Digital ground GND 8 Serial data 2 input SDIN2 9 Digital ground GND 10 Serial data 3 input SDIN3 11 Sony Philips digital interface for...

Page 19: ...tput DAC2L 7 Analog ground GND 8 Lineout 1 right output LINE1R 9 Analog ground GND 10 Lineout 1 left output LINE1L 11 Analog ground GND 12 Table 3 4 Analog Input Interface J4 HEADER SIGNAL NAME SCHEMA...

Page 20: ...NAME SCHEMATIC NET NAME PIN ASSIGNMENT Ground GND 1 Not connected NC 2 Mute GND 3 General purpose input output 2 GPIO2 4 General purpose input output 1 GPIO1 5 General purpose input output 3 GPIO3 6...

Page 21: ...o 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 SPEC...

Page 22: ...t If there 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 75 C The EVM is...

Page 23: ...siness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product wo...

Page 24: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TAS3208EVM LC...

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