MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 145
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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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BFEXTU
Instruction Fields:
MOTOROLA
Effective Address field—Specifies the base location for the bit field. Only data register
Register field—Specifies the destination data register.
Do field—Determines how the field offset is specified.
Offset field—Specifies the field offset, depending on Do.
Dw field—Determines how the field width is specified.
0 — The offset field contains the bit field offset.
1 — Bits 8 – 6 of the extension word specify a data register that contains the offset;
If Do = 0, the offset field is an immediate operand; the operand value is in the range
If Do = 1, the offset field specifies a data register that contains the offset. The value
0 — The width field contains the bit field width.
1 — Bits 2 – 0 of the extension word specify a data register that contains the width;
of 0 – 31.
is in the range of – 2
direct or control addressing modes can be used as listed in the following table:
Addressing Mode Mode
bits 10 – 9 are zero.
bits 4 – 3 are zero.
([bd,An,Xn],od)
([bd,An],Xn,od)
(bd,An,Xn)
(d
(d
8
(An) +
– (An)
,An,Xn)
(An)
16
Dn
An
,An)
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Extract Bit Field Unsigned
(MC68020, MC68030, MC68040)
000
010
101
110
110
110
110
—
—
—
31
to 2
reg. number:Dn
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
31
Register
– 1.
—
—
—
Addressing Mode Mode
([bd,PC,Xn],od)
([bd,PC],Xn,od)
(bd,PC,Xn)
(d
(d
#<data>
(xxx).W
8
(xxx).L
,PC,Xn)
16
,PC)
111
111
111
111
111
111
111
—
BFEXTU
Integer Instructions
Register
000
001
010
011
011
011
011
—
4-41
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