MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 141

• 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: -

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