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Introduction
Logic
Analyzers
Supported
The HP E2418A Preprocessor Interface provides a complete interface
for monitoring external bus operations of a TMS32020/C25 target
system with the following logic analyzers: HP 1650A, HP 1650B,
HP 1652B, HP 1660A/6W62A, HP 16510A, HP 16510B, HP 16511B,
HP 16540/16541A,D, HP 16542A, or HP 16550A.
Since the HP E2418A only monitors external bus operations of the
TMS32020/C25, the TMS32020/C25 must be operated in the
"microprocessor" mode (versus the "microcomputer" mode). In
microprocessor mode, the bus operations to the external program
memory are available to be captured by the logic analyzer. Accesses to
TMS32020/C25 internal resources are not presented on the external
data bus.
The TMS32020/C25 configuration software on the flexible disk sets up
the format specification menu of the logic analyzer for compatibility
with the TMS32020/C25 microprocessor. It also loads the inverse
assembler for obtaining displays of TMS32020/C25 data in
TMS32020/C25 assembly language mnemonics.
The following logic analyzers are supported by the HP E2418A
Preprocessor Interface:
HP 1650A, HP 16508, HP 16528, HP 16510A, and HP 165108
These logic analyzers provide 1 k of memory depth with either 80
channels of 35 MHz state analysis (25 MHz state analysis for the
HP 1650A or HP 16510A) or 80 channels of 100 MHz timing
analysis.
HP 1660A/61A/62A
The HP 1660A/6W62A Logic Analyzers provide 4 k of memory
depth with 136 channels (HP 1660A), 102 channels (HP 1661A),
or 68 channels (HP 1662A) of 100 MHz state analysis or 250 MHz
timing analysis. These logic analyzers also support various
combinations of mixed state/timing analysis.
lntroduction-1
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