Burr-Brown Corporation DEM-DAI1717 Скачать руководство пользователя | Manualshive

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DEM-PCM1717

FIGURE 13. DEM-DAI1717 PCB Design.

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Содержание DEM-DAI1717

Страница 1: ...I1717 Evaluation board for the PCM1717 includ ing evaluation software and Digital Audio Interface BLOCK DIAGRAMS EVALUATION SOFTWARE AND CONNECTOR 6 Pin Connector VCC Evaluation Software Centronics Connector GND International Airport Industrial Park Mailing Address PO Box 11400 Tucson AZ 85734 Street Address 6730 S Tucson Blvd Tucson AZ 85706 Tel 520 746 1111 Twx 910 952 1111 Internet http www bur...

Страница 2: ...ssumes no responsibility for the use of this information and all use of such information shall be entirely at the user s own risk Prices and specifications are subject to change without notice No patent rights or licenses to any of the circuits described herein are implied or granted to any third party BURR BROWN does not authorize or warrant any BURR BROWN product for use in life support devices ...

Страница 3: ...PCM1717 The switches operate in an active low condition FIGURE 1 DEM PCM1717 Block Diagram FIGURE 2 DEM PCM1717 Switch Settings HARDWARE DESCRIPTION Figure 3 shows the schematic diagram of the DEM PCM1717 evaluation board Figure 4 illustrates the PC board design and component placement for the DEM PCM1717 evaluation board Note on the parts layout that there are 3 connectors CN1 CN2 and CN3 CN1 is ...

Страница 4: ...2 0 1µF C1 100µF PCM1717E 1 2 3 4 5 6 7 8 9 10 XTI DGND VDD LRCIN DIN BACKIN ZERO D C_R VOUTR AGND XTO CLKO ML MUTE MC DM1 MC DM0 RSTB MODE D C_L VOUTL VCC 20 19 18 17 16 15 14 13 12 11 C4 2 2µF CN3 VOL C XTAL CS1 CS2 R1 Not Installed VOL D VOR D VOR C ZO GND C5 10µF C7 10µF C8 10µF CN1 CLKO XTI BCK LRCK DIN GND CS1 XTAL U1 CS2 ...

Страница 5: ...5 DEM PCM1717 FIGURE 4 DEM PCM1717 Parts Layout and Trace Design ...

Страница 6: ...trolled via external microproces sor or logic But since most digital audio systems usually contain a microprocessor or micro controller component count is not always increased DEM DAI1717 utilizes the parallel port of an IBM compat ible PC to implement the 3 wire serial programming inter face The evaluation software runs on Windows Operating System The DEM DAI1717 evaluation board consists of thre...

Страница 7: ...lication selection The next window will ask for the Application Path and Filename to be specified assuming that drive C was the drive the software was copied to then this path and filename should be typed in as C PCM17DEM PCM17DEM EXE Also from the previous menu the Program Group that the icon should be added to can be selected The default choice of Applications is a good choice for this selection...

Страница 8: ...E installed by default An optional ground connection can be made between the receiver chip and the PCM1717E Refer to Figure 8 for the orientation of these jumpers MODE CONTROL SWITCH SETTINGS The DEM DAI1717 system board uses 5 switches labeled as S3 to select between software and hardware control and to provide settings for the hardware mode When the DEM DAI1717 is to be used with the system soft...

Страница 9: ... allows the user to exit from the PCM1717 software The execute menu can be opened by either click ing on the Execute or by using the Alt E key sequence All of the menus and commands can be activated by using the mouse and the left button or Alt key sequences The Windows submenu Alt W allows the Attenuation Alt A Function Alt F and Dataform Alt D submenus to be opened The function of these menus is...

Страница 10: ...ummed together and the magnitude to be divided by two mono or allows either channel to be muted ATT CTRL This menu controls whether the attenuation controls affect each channel individually or whether both channels are of equal volume PCM1717 FUNCTION CONTROL This menu controls the De emphasis Infinite Zero Detec tion and Operational Enable features of the PCM1717 as shown in Figure 18 These featu...

Страница 11: ...16 15 CC FO V D DGND PXP FXN FSYNC SCK CS12 FCK V A AGND MO M1 FRT MCK M2 M3 SEL SDATA V CC U1 CS8412CP R 11 100Ω R 12 100Ω R 13 100Ω R 14 100Ω S0 S1 S2 C 1 100µF C 3 100µF C 4 100µF JP XTI LRCK DATA BCK GND C 5 10µF C 9 10µF C 12 0 47µF C 11 0 047µF C 6 0 1µF C 7 0 1µF C 8 10µF R 2 1kΩ C 13 0 047µF R 1 75Ω COAX CN3 C 10 0 1µF TORX174 U4 3 2 4 5 6 1 OPT R 9 100Ω Lch Filtered Out CN4 R 7 3 9kΩ R 3 ...

Страница 12: ...12 DEM PCM1717 FIGURE 12 DEM DAI1717 Parts Layout ...

Страница 13: ...13 DEM PCM1717 FIGURE 13 DEM DAI1717 PCB Design ...

Страница 14: ...OFF Mute OFF IZD OFF OPE ON Control Data Attenuate Level HOLD CLOSE Left Right step 255 0 00 dB step 255 0 00 dB PCM1717 Control Mode Register Execute E Register 0 01FFH Register 1 01FFH Register 2 0000H Register 3 0090H Window W Execute E Reset R Exit X Window W Attenuate A Function F Dataform D Control Data PCM1717 Attenuate Control Attenuate Level HOLD CLOSE Left Right step 255 0 00 dB step 255...

Страница 15: ...ion On Off Control ON OFF 48 0kHz 44 1kHz 32 0kHz Control Data PCM1717 Format Control Input Format HOLD CLOSE Format Standard Width 16 bit LRCK Low R Output Format L Out L In R Out R In Att Ctrl L R Format Audio Data Format Select Standard Standard IIS Width Input Audio Data Bit Select 16 bit 16 bit 18 bit LRCK Polarity of LRCKIN pin 4 Select Low R Low R Low L L Out Analog Output Mode Select Left ...

Страница 16: ... this warranty Specific testing of all parameters of each device is not necessarily performed except those mandated by government requirements Customers are responsible for their applications using TI components In order to minimize risks associated with the customer s applications adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards ...

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