MC68HC05P1ADW FREESCALE [Freescale Semiconductor, Inc], MC68HC05P1ADW Datasheet - Page 78
MC68HC05P1ADW
Manufacturer Part Number
MC68HC05P1ADW
Description
General Release Specification
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC05P1ADW.pdf
(124 pages)
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Instruction Set
9.2 Introduction
9.3 Addressing Modes
General Release Specification
The MCU instruction set has 62 instructions and uses eight addressing
modes. The instructions include all those of the M146805 CMOS Family
plus one more: the unsigned multiply (MUL) instruction. The MUL
instruction allows unsigned multiplication of the contents of the
accumulator (A) and the index register (X). The high-order product is
stored in the index register, and the low-order product is stored in the
accumulator.
The CPU uses eight addressing modes for flexibility in accessing data.
The addressing modes provide eight different ways for the CPU to find
the data required to execute an instruction. The eight addressing modes
are:
•
•
•
•
•
•
•
•
Freescale Semiconductor, Inc.
For More Information On This Product,
Inherent
Immediate
Direct
Extended
Indexed, no offset
Indexed, 8-bit offset
Indexed, 16-bit offset
Relative
Go to: www.freescale.com
Instruction Set
MC68HC05P1A
—
Rev. 3.0
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