MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 461
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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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cpSAVE
Operation:
Assembler
Syntax:
Attributes:
Description: Saves the internal state of a coprocessor in a format that can be restored by
Condition Codes:
Instruction Format:
Instruction Fields:
MOTOROLA
15
1
Not affected.
Coprocessor ID field—Identifies the coprocessor for this operation. Coprocessor ID of
a cpRESTORE instruction.
Effective Address field—Specifies the location where the internal state of the
14
000 results in an F-line exception for the MC68030.
1
coprocessor is to be saved. Only predecrement or control alterable addressing
modes can be used as listed in the following table:
13
1
Addressing Mode
([bd,An,Xn], od)
([bd,An],Xn, od)
12
1
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
If Supervisor State
ELSE TRAP
cpSAVE < ea >
Unsized
(bd,An,Xn)
(d
(d
— (An)
8
(An) +
,An,Xn)
(An)
16
Dn
An
Then Save Internal State of Coprocessor
,An)
11
COPROCESSOR
Coprocessor Save Function
10
ID
(MC68020, MC68030)
Mode
010
100
101
110
110
110
110
—
—
—
9
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
8
1
Register
—
—
—
7
0
6
0
Addressing Mode
Supervisor (Privileged) Instructions
5
([bd,PC],Xn, od)
([bd,PC,Xn],od)
(d
(bd,PC,Xn)
# < data >
(d
(xxx).W
(xxx).L
8
MODE
,PC,Xn)
16
4
,PC)
EFFECTIVE ADDRESS
3
cpSAVE
Mode
2
111
111
—
—
—
—
—
—
REGISTER
1
Register
000
001
—
—
—
—
—
—
0
6-7
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