Texas Instruments DEM-PCM1717 - Manuals

Page 2 - BLOCK DIAGRAMS

2 ® DEM-PCM1717 BLOCK DIAGRAMS (CONT) PCM1717 GND Audio Data LRCK/BCK/DATA 256/384fs Control Data ML/MC/MD Lch Direct Out Lch Capacitive Out Rch Direct Out Rch Capacitive Out +V CC DEM-DAI1717 DEM-PCM1717 The information provided herein is believed to be reliable; however, BURR-BROWN assumes no resp...

Page 3 - audio DAC. This fixture provides an easy way; HARDWARE DESCRIPTION; . This resistor is labeled R1 on the schematic

3 ® DEM-PCM1717 DEM-PCM1717 The DEM-PCM1717 is the basic evaluation fixture for thePCM1717 ∆Σ audio DAC. This fixture provides an easy way to connect power, data, and interface signals to the DAC. Figure 1 shows the block diagram of the DEM-PCM1717.The user must supply 4 digital audio signals, power...

Page 6 - Operating

6 ® DEM-PCM1717 DEM-PCM1717-1 This demo board kit consist of a DEM-PCM1717 hardwareboard, together with an interface cable, for connecting theDEM-PCM1717 to power and connecting the software con-trol lines to an IBM-PC parallel port. DEM-PCM1717 alsoincludes evaluation software, described later unde...

Page 7 - DEM-DAI1717 SYSTEM CONTENTS; • DEM-DAI1717 Software must be installed under the; DEM-DAI1717 SYSTEM REQUIREMENTS; System Board; INSTALLING THE DEM-PCM1717 SOFTWARE; • The next window will ask for the Application Path and; CONFIGURING THE PCM17DEM.INI FILE; Typical port assignments are as follows:

7 ® DEM-PCM1717 DEM-DAI1717 also allows for operation in the hardwaremode. In this mode, the special functions are limited to de-emphasis frequency selection, soft mute and reset. Thesehardware features are controlled with DIP switches, and noPC connection is required. DEM-DAI1717 SYSTEM CONTENTS • ...

Page 8 - GENERAL SPECIFICATIONS; SPDIF INTERFACE OPTIONS

8 ® DEM-PCM1717 DEM-DAI1717 SYSTEM BOARDINFORMATION GENERAL SPECIFICATIONS Table I lists the specifications for the DEM-DAI1717 sys-tem board. SPDIF Interface Optical via ToslinkRCA with 75 Ω impedance. System Clock Frequency 256 times sampling frequency, fs Digital Audio Interface 16 bits, Normal F...

Page 9 - The power connections +V; SOFTWARE DESCRIPTION; S format for incoming data to the

9 ® DEM-PCM1717 HARDWARE CONNECTIONS FOR THEDEM-DAI1717 Hardware configuration of the DEM-DAI1717 evaluationboard consists of supplying a source of digital audio data,connecting the board to an IBM-PC parallel port, connectingthe audio output to a speaker or measurement tool andsupplying a source of...

Page 14 - FIGURE 15. Demo Software Attenuation Menu.; Mode Register; Control Data

14 ® DEM-PCM1717 FIGURE 15. Demo Software Attenuation Menu. FIGURE 14. Demo Software Main Menu. Control Data Input Format HOLD CLOSE Format Standard Width LRCK Low = R Output Format L-Out L-In R-Out R-In Att Ctrl L < > R 16 bit Control Data Functional Condition HOLD CLOSE DeEmph OFF Mute OFF I...

Page 16 - IMPORTANT NOTICE; Copyright

IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinueany product or service without notice, and advise customers to obtain the latest version of relevant informationto verify, before placing orders, that information being r...