MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 193
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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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cpTRAPcc
Operation:
Assembler
Syntax:
Attributes:
Description: Tests the specified coprocessor condition code; if the selected coprocessor
Condition Codes:
Instruction Format:
Instruction Fields:
MOTOROLA
15
1
0
Not affected.
Coprocessor ID field—Identifies the coprocessor for this operation; coprocessor ID of
condition is true, the processor initiates a cpTRAPcc exception, vector number 7. The
program counter value placed on the stack is the address of the next instruction. If the
selected condition is not true, no operation is performed, and execution continues with
the next instruction. The coprocessor determines the specific condition from the
condition word that follows the operation word. Following the condition word is a user-
defined data operand specified as immediate data to be used by the trap handler.
Opmode field—Selects the instruction form.
Coprocessor Condition field—Specifies the coprocessor condition to be tested. This
010— Instruction is followed by one operand word.
011— Instruction is followed by two operand words.
100— Instruction has no following operand words.
14
1
0
000 results in an F-line exception for the MC68030.
field is passed to the coprocessor, which provides directives to the main
processor for processing this instruction.
13
1
0
12
1
0
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
If cpcc True
cpTRAPcc
cpTRAPcc # < data >
Unsized or Size = (Word, Long)
Then TRAP
OPTIONAL COPROCESSOR-DEFINED EXTENSION WORDS
11
Trap on Coprocessor Condition
0
COPROCESSOR
10
ID
0
(MC68020, MC68030)
OR LONG-WORD OPERAND
9
0
OPTIONAL WORD
8
0
0
7
0
0
6
1
0
5
1
COPROCESSOR CONDITION
4
1
cpTRAPcc
3
1
Integer Instructions
2
OPMODE
1
4-89
0
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