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MC68030FE20 Datasheet(PDF) 11 Page - Motorola, Inc

Part # MC68030FE20
Description  ENHANCED 32-BIT MICROPROCESSOR
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MC68030FE20 Datasheet(HTML) 11 Page - Motorola, Inc

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xxxii
MC68030 USER’S MANUAL
MOTOROLA
TABLE OF CONTENTS (Continued)
Paragraph
Number
Title
Page
Number
10.1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
10.1.1
Interface Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
10.1.2
Concurrent Operation Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
10.1.3
Coprocessor Instruction Format . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
10.1.4
Coprocessor System Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
10.1.4.1
Coprocessor Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
10.1.4.2
Processor-Coprocessor Interface . . . . . . . . . . . . . . . . . . . . . . . . 10-6
10.1.4.3
Coprocessor Interface Register Selection. . . . . . . . . . . . . . . . . . 10-8
10.2
Coprocessor Instruction Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9
10.2.1
Coprocessor General Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9
10.2.1.1
Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10
10.2.1.2
Protocol.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-11
10.2.2
Coprocessor Conditional Instructions . . . . . . . . . . . . . . . . . . . . . . . 10-12
10.2.2.1
Branch On Coprocessor Condition Instruction. . . . . . . . . . . . . . . 10-13
10.2.2.1.1
Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-14
10.2.2.1.2
Protocol. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-15
10.2.2.2
Set On Coprocessor Condition Instruction. . . . . . . . . . . . . . . . . . 10-15
10.2.2.2.1
Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-15
10.2.2.2.2
Protocol. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-16
10.2.2.3
Test Coprocessor Condition, Decrement and Branch Instruction 10-17
10.2.2.3.1
Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-17
10.2.2.3.2
Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-18
10.2.2.4
Trap On Coprocessor Condition. . . . . . . . . . . . . . . . . . . . . . . . . . 10-18
10.2.2.4.1
Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-18
10.2.2.4.2
Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-19
10.2.3
Coprocessor Save and Restore Instructions . . . . . . . . . . . . . . . . . . 10-20
10.2.3.1
Coprocessor Internal State Frames . . . . . . . . . . . . . . . . . . . . . . . 10-20
10.2.3.2
Coprocessor Format Words. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-22
10.2.3.2.1
Empty/Reset Format Word. . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-22
10.2.3.2.2
Not Ready Format Word.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-23
10.2.3.2.3
Invalid Format Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-23
10.2.3.2.4
Valid Format Word. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-24
10.2.3.3
Coprocessor Context Save Instruction . . . . . . . . . . . . . . . . . . . . 10-24
10.2.3.3.1
Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-24
10.2.3.3.2
Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-25
10.2.3.4
Coprocessor Context Restore Instruction. . . . . . . . . . . . . . . . . . . 10-27
10.2.3.4.1
Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-27
10.2.3.4.2
Protocol. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-28
10.3
Coprocessor Interface Register Set . . . . . . . . . . . . . . . . . . . . . . . . . . 10-29
10.3.1
Response CIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-29
10.3.2
Control CIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-30
10.3.3
Save CIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-30


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