MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 171

• 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: -

CAS
CAS2
Instruction Format:
Instruction Fields:
MOTOROLA
15
0
0
Size field—Specifies the size of the operation.
Effective Address field—Specifies the location of the memory operand. Only memory
Du field—Specifies the data register that contains the update value to be written to the
Dc field—Specifies the data register that contains the value to be compared to the
01 — Byte operation
10 — Word operation
11 — Long operation
14
0
0
alterable addressing modes can be used as listed in the following table:
memory operand location if the comparison is successful.
memory operand.
Addressing Mode Mode
13
([bd,An,Xn],od)
([bd,An],Xn,od)
0
0
(bd,An,Xn)
(d
(d
8
(An) +
– (An)
,An,Xn)
(An)
16
Dn
An
12
,An)
0
0
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Compare and Swap with Operand
11
1
0
(MC68020, MC68030, MC68040)
010
011
100
101
110
110
110
110
—
—
10
0
SIZE
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
9
0
Register
—
—
8
0
CAS
Du
7
1
Addressing Mode Mode
6
1
([bd,PC,Xn],od)
([bd,PC],Xn,od)
(bd,PC,Xn)
(d
(d
#<data>
(xxx).W
8
(xxx).L
,PC,Xn)
16
5
0
,PC)
MODE
4
0
EFFECTIVE ADDRESS
3
0
111
111
—
—
—
—
—
—
Integer Instructions
2
REGISTER
CAS2
Register
CAS
Dc
000
001
1
—
—
—
—
—
—
4-67
0