Motorola MVME172 - Manual (Page 3)

Preface
This manual provides board level information and detailed ASIC chip information
including register bit descriptions for the MVME172 Embedded Controller. The
information contained in this manual applies to the following MVME172 models:
This manual is intended for anyone who wants to program these boards in order to design
OEM systems, supply additional capability to an existing compatible system, or work in a
lab environment for experimental purposes.
A basic knowledge of computers and digital logic is assumed.
To use this manual, you should be familiar with the publications listed in Related
Documentation below.
Manual Terminology
Throughout this manual, a convention is used which precedes data and address parameters
by a character identifying the numeric format as follows:
For example, “12” is the decimal number twelve, and “$12” is the decimal number
eighteen.
Unless otherwise specified, all address references are in hexadecimal.
An asterisk (*) following the signal name for signals which are level significant denotes that
the signal is true or valid when the signal is low.
An asterisk (*) following the signal name for signals which are edge significant denotes that
the actions initiated by that signal occur on high to low transition.
MVME172-303
MVME172-213 MVME172-313 MVME172-413 MVME172-513
MVME172-223 MVME172-323
MVME172-233 MVME172-333 MVME172-433
MVME172-243 MVME172-343
MVME172-253 MVME172-353 MVME172-453
MVME172-263 MVME172-363
MVME172-373
$ dollar specifies a hexadecimal character
% percent specifies a binary number
& ampersand specifies a decimal number