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MC68030FE33 Datasheet(PDF) 58 Page - Motorola, Inc

Part No. MC68030FE33
Description  ENHANCED 32-BIT MICROPROCESSOR
Download  602 Pages
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC68030FE33 Datasheet(HTML) 58 Page - Motorola, Inc

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Data Organization and Addressing Capabilities
2-20
MC68030 USER’S MANUAL
MOTOROLA
2.4.16 Absolute Short Addressing Mode
In this addressing mode, the operand is in memory, and the address of the operand is in the
extension word. The 16-bit address is sign-extended to 32 bits before it is used.
2.4.17 Absolute Long Addressing Mode
In this mode, the operand is in memory, and the address of the operand occupies the two
extension words following the instruction word in memory. The first extension word contains
the high-order part of the address; the low-order part of the address is the second extension
word.
31
0
31
0
OPERAND
MEMORY ADDRESS
SIGN EXTENDED
15
GENERATION:
ASSEMBLER SYNTAX:
MODE:
REGISTER FIELD:
EXTENSION WORD:
EA GIVEN
(xxx).W
111
000
MEMORY ADDRESS:
NUMBER OF EXTENSION WORDS:
1
31
0
31
0
GENERATION:
ASSEMBLER SYNTAX:
MODE:
REGISTER FIELD:
FIRST EXTENSION WORD:
EA GIVEN
(xxx).L
111
001
CONCATENATION
OPERAND
SECOND EXTENSION WORD:
MEMORY ADDRESS:
NUMBER OF EXTENSION WORDS:
2
ADDRESS HIGH
ADDRESS LOW
0
0
15
15


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