Motorola MC6805R Series User Manual

SOFTWARE FEATURES
MC6805R2 MC6805R3 MC6805U2 MC6805U3 MC68705R3 MC68705U3 MC68705R5 MC68705U5
Addressing Modes 10 10
10 10
10
10 10 10
Byte Efficient
Instruction Set X
X X X
X
X X X
True Bit Manipulation X
X
X X X
X X X
Bit Test
and Branch
Instructions X
X X
X X
X X X
Versatile Interrupt
Handling
X
X X X X X X X
Versatile Index
Register
X
X
X X X
X X X
Powerful Indexed
Addressing for
Tables
X
X X X X
X X
X
Full Set of Condi-
tional Branches X X X X X
X X X
Memory Usable as
Registers'! Flags X
X X X X X X X
Single Instruction
Memory Examine/
Change X
X
X
X X X X
X
User Callable Self-
Check Subroutines X
X X X
-
-
- -
Complete Develop-
ment System Sup-
port on EXORciser X
X X X
X
X X X
Supported by
EPROM Version X
X X X
-
- -
-
1.2 HARDWARE
Every M6805 Family microcomputer contains hardware common to all versions, plus a combination
of options unique to a particular version. Figures 1-1 through 1-6 illustrate the unique options
available on the eight versions described in this document.
EXORciser is a registered trademark of Motorola Inc.
1-2

Motorola MC6805R Series Specifications

General

Brand	Motorola
Model	MC6805R Series
Category	Computer Hardware
Language	English