MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 141
MC68EC000EI20
Manufacturer Part Number
MC68EC000EI20
Description
IC MPU 32BIT 20MHZ 68-PLCC
Manufacturer
Freescale Semiconductor
Specifications of MC68EC000EI20
Processor Type
M680x0 32-Bit
Speed
20MHz
Voltage
3.3V, 5V
Mounting Type
Surface Mount
Package / Case
68-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
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BFEXTS
Operation:
Assembler
Syntax:
Attributes:
Description: Extracts a bit field from the specified effective address location, sign extends
Condition Codes:
Instruction Format:
MOTOROLA
15
1
0
to 32 bits, and loads the result into the destination data register. The field offset and
field width select the bit field. The field offset specifies the starting bit of the field. The
field width determines the number of bits in the field.
X — Not affected.
N — Set if the most significant bit of the field is set; cleared otherwise.
Z — Set if all bits of the field are zero; cleared otherwise.
V — Always cleared.
C — Always cleared.
14
1
—
X
REGISTER
13
1
N
*
12
0
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
BFEXTS < ea > {offset:width},Dn
Unsized
Z
*
< bit field > of Source
Do
11
1
V
0
(MC68020, MC68030, MC68040)
Extract Bit Field Signed
10
0
C
0
9
1
OFFSET
8
1
Dn
7
1
6
1
Dw
5
MODE
4
EFFECTIVE ADDRESS
3
BFEXTS
Integer Instructions
WIDTH
2
REGISTER
1
4-37
0
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