MC68030FE20C Freescale Semiconductor, MC68030FE20C Datasheet - Page 56

• Manufacturer Part Number: MC68030FE20C
• Description: IC MPU 32BIT ENHANCED 132-CQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68030FE20C

• Processor Type: M680x0 32-Bit
• Speed: 20MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 132-CQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

MOTOROLA
2.4.5 Address Register Indirect with Predecrement Mode
word. Coprocessors may support decrementing for any operand size up to
255 bytes. If the address register is the stack pointer and the operand size is
pointer aligned to a word boundary.
In the address register indirect with predecrement mode, the operand is in
memory, and the address of the operand is in the address register specified
by the register field. Before the operand address is used, it is decremented
by one, two, or four depending on the operand size: byte, word, or long
byte, the address is decremented by two rather than one to keep the stack
ASSEMBLER SYNTAX:
MODE:
REGISTER:
ADDRESS REGISTER:
OPERAND LENGTH (1, 2, OR 4):
MEMORY ADDRESS:
NUMBER OF EXTENSION WORDS:
ADDRESS REGISTER:
GPERAND LENGTH (l, 2, OR 4~:
MEMORY ADORESS:
NUMBER
GENERATION:
GENERATION:
ASSEMBLER SYNTAX:
MODE:
REGISTER:
OF EXTENSION WORDS:
EA = (An)
An = An + SIZE
(An) +
911
n
An
0
n
An = An - SIZE
EA = (An}
- (An)
An
0
100
MC68030 USER'S MANUAL
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MEMORY ADDRESS
MEMORY ADDRESS
OPE. A ND
OPERAND
&
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O
0
O
0
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I
2