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DSP32C

Lucent Technologies
Part Number DSP32C
Manufacturer Lucent Technologies
Description Digital Signal Processor
Published Jul 22, 2014
Detailed Description Data Sheet Addendum November 1996 DSP32C Digital Signal Processor Products Affected This advisory is effective for issu...
Datasheet PDF File DSP32C PDF File

DSP32C
DSP32C

Overview
Data Sheet Addendum November 1996 DSP32C Digital Signal Processor Products Affected This advisory is effective for issue 5 of the DSP32C.
Issue 5 devices are identiļ¬ed by a device code of the form DSP32C-X35 (where X is replaced by R or F).
The design consideration involves external writes to and reads from the parallel data register (PDR) with a system clock greater than 66 MHz.
Problem Resolution PEN, PWN, and PGN may be synchronized with the DSP clock to eliminate this potential alignment problem.
Figure 1 illustrates a circuit that may be used to synchronize these inputs.
Figure 2 shows the associated timing.
The synchronization circuit delays the rise and fall points of PEN, PWN, and ...


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