Texas Instruments PurePath CC85XXDK, User Manual

Page 1: ...CC85XXDK HEADSET User s Guide SWRU281 ...

Page 2: ...WIRELESS HEADSET KIT 7 6 HARDWARE OVERVIEW 9 6 1 TLV320AIC3204 CODEC 10 6 2 POWER SUPPLY AND CHARGING OF LI ION BATTERY 10 6 3 CC2590 RANGE EXTENDER 10 6 4 BUTTONS AND LEDS 11 6 5 RF PERFORMANCE 11 6 6 PROGRAMMING CONNECTOR 12 6 7 TEST SIGNALS AVAILABLE ON P7 12 7 REFERENCES 14 8 DOCUMENT HISTORY 15 APPENDIX A CC85XX HEADSET SCHEMATIC 16 APPENDIX B CC85XX HEADSET COMPONENTS PLACEMENT 20 ...

Page 3: ... directional audio is not yet ready upon the release of this kit Please see the product folder for all the supported features This manual describes PurePath Wireless Headset Kit in detail and points the user to other useful information sources Chapter 4 briefly describes the contents of the kit Chapter 5 gives a quick introduction to how to get started with the kit Chapter 6 describes the hardware...

Page 4: ... Device I2C Inter Integrated Circuit ISM Industrial Scientific and Medical LDO Low Dropout Regulator LED Light Emitting Diode LNA Low Noise Amplifier PA Power Amplifier PCB Printed Circuit Board SNR Signal to Noise Ratio SoC System on Chip THD N Total Harmonic Distortion Noise USB Universal Serial Bus ...

Page 5: ...t kit can be used through all stages of development of applications with CC85xx Evaluate CC85xx RF performance and range testing with the onboard inverted F PCB antenna Test wireless sound quality The onboard codec is the TLV320AIC3204 3 Interface to analog input and output 3 5 mm mini jack Interface to USB audio and USB HID on the protocol master Support for programming interface with the PurePat...

Page 6: ... ti com SWRU281A Page 6 of 20 1 USB micro cable for charging the Li ion battery and for powering the CC85xx Headset boards 1 audio cable 3 5mm jack to 3 5mm jack to be used at the analog input Documentation ...

Page 7: ... to pair them and start the audio streaming can be found in the CC85XXDK HEADSET Quick Start Guide 2 Please note that when purchasing CC85xx devices they come un programmed from production Figure 2 shows the main components of the CC85xx Headset board Figure 2 Photo of the CC85xx Headset board The pre programmed firmware on the two CC85xx Headset boards demonstrates a stereo input base station lab...

Page 8: ... the battery or the USB cable in order for the CC Debugger to recognize the CC85xx Further it s important to place the programming connector so that the red wire pin 1 is oriented towards the USB connector as shown in the Figure 3 For more details about the programming connector see section 6 6 If the board is powered and the CC Debugger is connected correctly pressing the reset button on the CC D...

Page 9: ...ous Buck Converter CC2590 Range Extender PAEN EN RF_N RF_P GIO14_xPAEN GIO15_xLNAEN RF_N RF_P TLV320AIC3204 Low power codec GIO7_AD0 GIO8_AD1 GIO4_MCLK GIO4_BCLK GIO4_WCLK GIO10_SCL GIO11_SDA GIO2_RESET CSN GIO9 I2S_AD2 GIO3 DIN MCLK SCLK LRCLK SCL SDA RESET HPLOUT 2 1V 3 7V Li Ion battery 465mAh 3 7V DVDD HPROUT IN1L IN1R L R Charge indicator LED Status LED DOUT USB Connector USBP USBM VBUS 5V US...

Page 10: ...Li ion battery The CC85xx Headset board can be powered from the following sources Li ion battery included in the kit USB interface micro USB type Onboard the CC85xx Headset board is a single chip charger and DC DC converter i e BQ25015 8 The output voltage from its switch mode regulator is 2 15V which powers the other components on the board CC8531 CC2590 and TLV320AIC3204 The current consumption ...

Page 11: ...etwork status LED For details on how to configure the network LED please see the PurePath Wireless Configurator 4 The other LED D3 is connected to the charger IC BQ25015 for more details see section 6 2 6 5 RF Performance The CC85xx Headset board does not have the output connected to a SMA connector it is only connected to an inverted F antenna However the output power measured into a 50 0hm load ...

Page 12: ...lling the CC85xx with the external host interface The pins needed for this are GND CSn SCLK MISO MOSI and RSTN For more details about the external host interface see the CC85xx Family User s Guide 5 Note that the CC85xx Headset board needs to be powered by the battery or the USB while programming Table 2 Program interface pin mapping CC debugger pin CC debugger Pin name CC85xx pin 1 GND GND 2 Vdd ...

Page 13: ...A www ti com SWRU281A Page 13 of 20 Table 3 Test signals P7 Test pad number Signal 1 GND 2 MCLK 3 WCLK 4 BCLK 5 DOUT 6 DIN 7 CODEC_RESET 8 I2C_SCL 9 NC 10 I2C_SDA ...

Page 14: ...swru250 6 CC8520 Product folder http focus ti com docs prod folders print cc8520 html 7 CC Debugger product page http focus ti com docs toolsw folders print cc debugger html 8 BQ25015 Product folder http focus ti com docs prod folders print bq25015 html 9 CC2590 Product page http focus ti com docs prod folders print cc2590 html 10 CC85XXDK HEADSET product page http focus ti com docs toolsw folders...

Page 15: ...A www ti com SWRU281A Page 15 of 20 8 Document History Revision Date Description Changes A 2011 03 31 Initial release ...

Page 16: ...A www ti com SWRU281A Page 16 of 20 Appendix A CC85xx Headset Schematic ...

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Page 20: ...A www ti com SWRU281A Page 20 of 20 Appendix B CC85xx Headset Components Placement ...

Page 21: ...horized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge ...