Real-time signal analysis apparatus and method for digital signa

Details Real-time signal analysis apparatus and method for digital signa Real-time signal analysis apparatus and method for digital signa

1991-02-04

1994-12-20

Beausoliel, Jr., Robert W.

G06F 1100

Patent

active

053752287

ABSTRACT:
An emulation system used to debug software for a digital signal processor (DSP) includes a built-in digital signal analyzer which operates upon the same digital signals as those presented directly to and outputted by the DSP, bypassing the signal converters used to convert an input analog signal to digital format and the output digital signal to analog format. A host computer communicates with the digital signal analyzer via firmware in a control processor and personality board, or is alternately connected directly with the analyzer. Communications between the digital signal analyzer and the DSP are through the same contact probe as that used for the emulation software. The analyzer may be used to trigger a software function within the emulator based upon the real-time signal from the DSP, and is also capable of interpolating between successive digital values of an analyzed signal for display purposes.

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A500 Analog VLSI Test System, Teradyne, 1987.
Microprocessor System Development-MIME 600, Pentica Systems, Inc. Brochure, 1989.

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