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Probing
Microprocessor and Bus Specific Interfaces
I
There are a number of microprocessor and bus specific interfaces
available as optional accessories which are listed in the
Accessories
for HP Logic Analyzers.
Microprocessors are supported by Universal
Interfaces or Preprocessor Interfaces, or in some cases both.
Universal Interfaces are aimed at initial hardware turn-on, and will
provide the following:
• Fast, reliable, and convenient connections to the microprocessor
system.
Preprocessor interfaces are aimed at hardware turn-on and
hardware/software integration, and will provide the following:
• All clocking and demultiplexing circuits needed to capture the
system's operation.
• Additional status lines to further decode the operation of the CPU.
• Inverse assembly software to translate logic levels captured by the
logic analyzer into microprocessor mnemonics.
Bus interfaces will support bus analysis for the following:
• Bus support for HP-IB, RS-232C, RS-449, SCSI, VME, and VXI.
General Purpose Probing
General purpose probing involves connecting the logic analyzer probes
directly to your target system without using any interface. General
purpose probing does not limit you to specific hook up schemes, for an
example, as the probe interface does. General purpose probing uses
grabbers that connect to both through hole and surface mount
components.
2-3
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