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UG-477

Evaluation Board User Guide

Rev. A | Page 22 of 28

1

1023-

058

Figure 59.

EVAL-ADAU1772Z

Evaluation Board Layout—Ground Plane

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Содержание EVAL-ADAU1772Z

Страница 1: ...on the information therein All referenced brands product names service names and trademarks are the property of their respective owners 00000005981LF 000 EOS Power Buy Now We have 45 000 LP502030 PCM...

Страница 2: ...772Z evaluation board This evaluation board provides full access to all analog and digital I Os on the ADAU1772 The ADAU1772 core is controlled by Analog Devices Inc SigmaStudio software which interfa...

Страница 3: ...ngs 6 Powering Up the Board 6 Connecting the Audio Cables 6 Setting Up Communications in SigmaStudio 6 Creating a Basic Signal Flow 7 Downloading the Program to the DSP 9 Using the Evaluation Board 10...

Страница 4: ...RIAL AUDIO CONNECTOR MP PINS DIFFERENTIAL STEREO OUTPUT SINGLE ENDED STEREO OUTPUT XTAL OSCILLATOR MASTER CLOCK ADAU1772 11023 003 Figure 3 Functional Block Diagram MP PINS POWER SUPPLY COMMUNICATIONS...

Страница 5: ...UG 477 Evaluation Board User Guide Rev A Page 4 of 28 11023 005 Figure 5 Default Jumper and Switch Settings A Solid Black Rectangle Indicates a Switch or Jumper Position...

Страница 6: ...the USBi to an available USB port with the included USB cable At this point Windows XP recognizes the device see Figure 6 and prompts the user to install drivers 11023 006 Figure 6 Found New Hardware...

Страница 7: ...eo In J22 Right SETTING UP COMMUNICATIONS IN SigmaStudio Start SigmaStudio by double clicking the shortcut on the desktop Click File New Project or press Ctrl N to create a new project The default vie...

Страница 8: ...hin the IO Audio Input folder see Figure 18 11023 017 Figure 18 Input Cell Selection Click and drag the Input cell into the blank schematic space to the right of the Toolbox see Figure 19 11023 018 Fi...

Страница 9: ...the bottom left corner the IC 1 ADAU1772 Register Control tab is seen see Figure 25 11023 024 Figure 25 ADAU1772 Register Control Tab Click it and find the Output Serial Port tab in the top right cor...

Страница 10: ...ernately press the F7 key 11023 027 Figure 28 Link Compile Download Button If the project does not compile correctly an error displays see Figure 29 If this occurs go back and check your work for mist...

Страница 11: ...igure 31 11023 030 Figure 31 Power Jumpers INPUTS AND OUTPUTS The EVAL ADAU1772Z has multiple audio input and output options including digital and analog There are four single ended analog inputs that...

Страница 12: ...XTAL To Main Blocks CLOCKOUT Figure 35 Clock Output Enabled Divided Now set the input of the ADAU1772 to be the digital microphones instead of the ADCs by toggling the appropriate Decimator Source set...

Страница 13: ...OUT 11023 038 Figure 39 PDM Output and Clock Output Pins MP PINS The MP pin jumpers Header J9 provide access to the MP pins MP0 MP1 MP2 MP3 and MP6 of the ADAU1772 as well as facilitate the use of the...

Страница 14: ...The connections can be located on the J4 header The silk screen above the header helps identify where to connect the clocks and data see Figure 42 11023 041 Figure 42 Serial Audio Port Once connected...

Страница 15: ...re writing to the E2PROM ensure that it has been erased by clearing it from SigmaStudio To do this right click on E2Prom select the Read Write window and click Clear E2Pro to clear the memory see Figu...

Страница 16: ...D VDD Jumper connects IOVDD on the ADAU1772 to VDD 3 3 V board supply on the evaluation board J11 J14 Microphone bias Jumpers used to add a microphone bias to the analog microphone inputs AIN0 and AIN...

Страница 17: ...AV DD 11 AGND 1 3 AIN 1 RE F 1 4 AIN1 1 5 AIN 2 RE F 1 6 AIN2 1 2 CM 1 7 AIN 3 RE F 1 8 AIN3 19 AV DD 20 AGND 23 AGND 24 AV DD 2 1 H POU TL N L OU TL N 2 2 H POU TL P L OU TL P 2 5 H POU TRN L OU TRN...

Страница 18: ...ion Board Schematic PDM Digital Microphone Interface Serial Audio Interface R29 49R9 1 3 5 7 9 2 4 6 8 10 12 11 J4 HEADER_12WAY_UNSHROUD LRCLK MP3 BCLK MP2 DAC_SDATA MP0 ADC_SDATA0 PDMOUT MP1 ADC_SDAT...

Страница 19: ...N 6 VOUT 5 SW 3 FB 7 EP 4 G ND U4 ADP 1607 ACPZ R7 L1 2 2uH 3 EN 2 GND 1 IN 5 OUT 4 BYP U3 ADP 1713 AUJZ 1 5 R7 C26 10 uF C23 10 nF B A J3 C24 VDD BRD_RESET USB _5 V IOVDD EXT_5 V 11023 053 Figure 54...

Страница 20: ...Evaluation Board User Guide UG 477 Rev A Page 19 of 28 11023 055 Figure 56 EVAL ADAU1772Z Evaluation Board Layout Top Assembly...

Страница 21: ...UG 477 Evaluation Board User Guide Rev A Page 20 of 28 11023 056 Figure 57 EVAL ADAU1772Z Evaluation Board Layout Top Copper...

Страница 22: ...Evaluation Board User Guide UG 477 Rev A Page 21 of 28 11023 057 Figure 58 EVAL ADAU1772Z Evaluation Board Layout Power Plane...

Страница 23: ...UG 477 Evaluation Board User Guide Rev A Page 22 of 28 11023 058 Figure 59 EVAL ADAU1772Z Evaluation Board Layout Ground Plane...

Страница 24: ...Evaluation Board User Guide UG 477 Rev A Page 23 of 28 11023 059 Figure 60 EVAL ADAU1772Z Evaluation Board Layout Bottom Copper...

Страница 25: ...UG 477 Evaluation Board User Guide Rev A Page 24 of 28 11023 060 Figure 61 EVAL ADAU1772Z Evaluation Board Layout Bottom Assembly...

Страница 26: ...k chip resistor 1 63 mW thick film 0402 CRCW04022K67FKED Vishay Dale 5 R4 to R8 33 2 chip resistor 1 63 mW thick film 0402 RMCF0402FT33R2 Stackpole 1 R27 374 k chip resistor 1 63 mW thick film 0402 E...

Страница 27: ...PC722X Switchcraft 2 J6 to J7 12 way socket unshrouded 2 6 PPPC062LFBN RC 3M 2 S1 to S2 SPDT slide switch PC mount EG1271 E Switch 1 S3 2 section SPST SMD switch raised act 219 2LPST CTS Corporation 3...

Страница 28: ...Evaluation Board User Guide UG 477 Rev A Page 27 of 28 NOTES...

Страница 29: ...y portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluati...

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