MC68EC000EI12 Freescale Semiconductor, MC68EC000EI12 Datasheet - Page 52
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MC68EC000EI12
Manufacturer Part Number
MC68EC000EI12
Description
IC MPU 32BIT 12MHZ 68-PLCC
Manufacturer
Freescale Semiconductor
Series
68K - M680X0r
Specifications of MC68EC000EI12
Processor Type
M680x0 32-Bit
Speed
12MHz
Voltage
3.3V, 5V
Mounting Type
Surface Mount
Package / Case
68-PLCC
Core Size
32 Bit
Cpu Speed
12MHz
Digital Ic Case Style
PLCC
No. Of Pins
68
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
0°C To +70°C
Filter Terminals
SMD
Rohs Compliant
Yes
Clock Frequency
12MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68EC000EI12
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC68EC000EI12R2
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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2.2.9 Memory Indirect Postindexed Mode
In this mode, both the operand and its address are in memory. The processor calculates an
intermediate indirect memory address using a base address register and base
displacement. The processor accesses a long word at this address and adds the index
operand (Xn.SIZE*SCALE) and the outer displacement to yield the effective address. Both
displacements and the index register contents are sign-extended to 32 bits.
In the syntax for this mode, brackets enclose the values used to calculate the intermediate
memory address. All four user-specified values are optional. Both the base and outer
displacements may be null, word, or long word. When omitting a displacement or
suppressing an element, its value is zero in the effective address calculation.
MOTOROLA
INTERMEDIATE
ADDRESS
GENERATION:
ASSEMBLER SYNTAX:
EA MODE FIELD:
EA REGISTER FIELD:
NUMBER OF EXTENSION WORDS:
ADDRESS REGISTER
BASE DISPLACEMENT
SCALE
OUTER DISPLACEMENT
OPERAND POINTER
MEMORY
INDEX REGISTER
MEMORY
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
31
31
31
EA = (An + bd) + Xn.SIZE*SCALE + od
([bd,An],Xn.SIZE*SCALE,od)
110
REG. NO.
1,2,3,4, OR 5
SIGN-EXTENDED VALUE
SIGN-EXTENDED VALUE
SIGN-EXTENDED VALUE
.
SCALE VALUE
31
31
31
31
VALUE AT INDIRECT MEMORY ADDRESS
0
0
0
CONTENTS
CONTENTS
CONTENTS
OPERAND
POINTS TO
X
Addressing Capabilities
POINTS TO
+
+
+
0
0
0
0
2-11
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