![HP E2470A Скачать руководство пользователя страница 30](http://html.mh-extra.com/html/hp/e2470a/e2470a_manual_164070030.webp)
Controller Specific Information
This section discusses issues specific to the MC68HC16Y1 inverse assembler
including NON-MCU activity indicators.
Acquisitions of coprocessor and background cycles may be individually
enabled/disabled via the slide switches on the preprocessor.
A "c" marks coprocessor activity and background activity is marked with a
"b". The "c" and "b" are displayed in the first column of the mnemonic/hex
field.
General Missing Terms
Depending on the configuration of the microcontroller, the inverse assembler
may be unable to supply all of the information it normally supplies. For
example, if ~DS (data strobe) is not valid, internal cycles cannot be captured.
Additionally, if the function control pins FC0, 1, and 2 are configured as chip
selects, the "user" and "supr" memory space indicator terms will not be
displayed.
Filtering
The MC68HC16Y1 inverse assembler is capable of suppressing certain
acquired bus cycles from the display thus allowing the user to focus on and
display cycles of interest. The filter softkeys are part of the "Invasm Options"
submenu. "Invasm Options" must be pressed to display the submenu.
Cycle suppression is broken down into the following categories: extension
words, unexecuted prefetches, branches, calls and returns, other
instructions, data reads, and data writes.
Extension words and unexecuted fetches are suppressed without regard to
user mode or supervisor mode because they do not affect the display of
executed mnemonics.
All other categories may be suppressed based on the user mode, supervisor
mode, or both. These categories suppress actual executed mnemonics for
the display.
Controller Configurations
The E2470A preprocessor interface and inverse assembler will support any
MC68HC16Y1 configuration except those that use a Port C signal as a general
purpose input/output.
Analyzing the Motorola MC68HC16Y1
To display captured state data
2–9
Содержание E2470A
Страница 4: ...HP E2470A Preprocessor Interface Introduction The HP E2470A Preprocessor Interface At a Glance iii ...
Страница 8: ...1 Setting Up the Preprocessor Interface ...
Страница 22: ...2 Analyzing the Motorola MC68HC16Y1 ...
Страница 34: ...3 Preprocessor Interface Hardware Reference ...
Страница 38: ...Block Diagram Preprocessor Interface Hardware Reference Theory of Operation and Clocking 3 5 ...
Страница 56: ...A If You Have a Problem ...