M68000 Datasheet, PDF (1/26 Pages) Motorola, Inc – Addendum to M68000 User Manual

Communications and Advanced
Consumer Technologies Group
Order this document by
M68000UMAD/AD
M68000
Addendum to
M68000
User Manual
August 7, 1997
This addendum to the M68000UM/AD User’s Manual, Revision 8, provides corrections to the original text as
well as additional information. This document and other information on this product is maintained on the World
Wide Web at http://www.motorola.com/68000.
OVERVIEW
This manual includes hardware details and programming information for the MC68HC000, the MC68HC001,
the MC68EC000, and the MC68SEC000. For ease of reading, the name M68000 MPUs will be used when
referring to all processors. Refer to M68000PM/AD, M68000 Programmer's Reference Manual, for detailed
information on the MC68000 instruction set.
The four microprocessors are very similar to each other and all contain the following features:
• Sixteen 32-Bit Data and Address Registers
• 16-Mbyte Direct Addressing Range
• Program Counter
• 6 Instruction Types
• Operations on Five Main Data Types
• Memory-Mapped Input/Output (I/O)
• 14 Addressing Modes
The following processors contain additional features:
• MC68HC001/MC68EC000/MC68SEC000
— Statically selectable 8- or 16-bit data bus
• MC68HC000/MC68EC000/MC68HC001/MC68SEC000
— Low power
This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice.
SEMICONDUCTOR PRODUCT INFORMATION
© 1997 Motorola, Inc. All Rights Reserved.