DSP Development System - Digital Signal Processing and Applications with the C6713 and C6416 DSK - page 3

(b) A board, shown in Figure 1.1, that contains the TMS320C6713 (C6713)
floating-point digital signal processor as well as a 32-bit stereo codec for
input and output (I/O) support.
(c) A universal synchronous bus (USB) cable that connects the DSK board
to a PC.
(d) A 5 V power supply for the DSK board.
2. An IBM-compatible PC . The DSK board connects to the USB port of the PC
through the USB cable included with the DSK package.
3. An oscilloscope, signal generator, and speakers . A signal/spectrum analyzer is
optional. Shareware utilities are available that utilize the PC and a sound card
to create a virtual instrument such as an oscilloscope, a function generator, or
a spectrum analyzer.

All the files/programs listed and discussed in this topic (except some student
project files in Chapter 10) are included on the accompanying CD. Most of the
examples (with some minor modifications) can also run on the fixed-point C6416-
based DSK. See Appendix H for the appropriate support files along with five illus-
trative examples. Reference 1 contains examples implemented on the C6711-based
DSK (which has been discontinued). A list of all the examples is given on pages
xv-xviii.

1.2.1 DSK Board

The DSK package is powerful, yet relatively inexpensive ($395), with the necessary
hardware and software support tools for real-time signal processing [23-43]. It is a
complete DSP system. The DSK board, with an approximate size of 5

8 in., includes
the C6713 floating-point digital signal processor and a 32-bit stereo codec
TLV320AIC23 (AIC23) for input and output.
The onboard codec AIC23 [37] uses a sigma-delta technology that provides ADC
and DAC. It connects to a 12-MHz system clock. Variable sampling rates from 8 to
96 kHz can be set readily.
A daughter card expansion is also provided on the DSK board. Two 80-pin con-
nectors provide for external peripheral and external memory interfaces. Two project
examples in Chapter 10 illustrate the use of the external memory interface (EMIF)
with light-emitting diodes (LEDs) and liquid-crystal displays (LCDs) for spectrum
display.
The DSK board includes 16 MB (megabytes) of synchronous dynamic random
access memory (SDRAM) and 256 kB (kilobytes) of flash memory. Four connectors
on the board provide input and output: MIC IN for microphone input, LINE IN for
line input, LINE OUT for line output, and HEADPHONE for a headphone output
(multiplexed with line output). The status of the four user dip switches on the
DSK board can be read from a program and provides the user with a feedback
control interface. The DSK operates at 225 MHz. Also onboard the DSK are voltage

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