mc68ec020 Freescale Semiconductor, Inc, mc68ec020 Datasheet - Page 7

• Manufacturer Part Number: mc68ec020
• Description: Microprocessors
• Manufacturer: Freescale Semiconductor, Inc

9/29/95
Paragraph
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
7.3.10
7.3.11
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.4.6
7.4.7
7.4.8
7.4.9
7.4.10
7.4.11
7.4.12
7.4.13
7.4.14
7.4.15
7.4.16
7.4.17
7.4.18
7.4.19
7.4.20
7.5
7.5.1
7.5.1.1
7.5.1.2
7.5.1.3
7.5.1.4
7.5.1.5
7.5.2
7.5.2.1
7.5.2.2
MOTOROLA
Number
Coprocessor Response Primitives .......................................................... 7-27
Exceptions ............................................................................................... 7-49
Response CIR ..................................................................................... 7-24
Restore CIR ......................................................................................... 7-25
Operation Word CIR ............................................................................ 7-25
Command CIR ..................................................................................... 7-25
Operand CIR ....................................................................................... 7-26
Register Select CIR ............................................................................. 7-27
Instruction Address CIR ....................................................................... 7-27
Operand Address CIR ......................................................................... 7-27
ScanPC ............................................................................................... 7-28
Coprocessor Response Primitive General Format .............................. 7-28
Supervisor Check Primitive ................................................................. 7-33
Transfer Operation Word Primitive ...................................................... 7-33
Transfer from Instruction Stream Primitive .......................................... 7-34
Evaluate and Transfer Effective Address Primitive ............................. 7-35
Evaluate Effective Address and Transfer Data Primitive ..................... 7-35
Write to Previously Evaluated Effective Address Primitive .................. 7-37
Take Address and Transfer Data Primitive.......................................... 7-39
Transfer to/from Top of Stack Primitive ............................................... 7-40
Transfer Single Main Processor Register Primitive ............................. 7-40
Transfer Main Processor Control Register Primitive ........................... 7-41
Transfer Multiple Main Processor Registers Primitive ......................... 7-42
Transfer Multiple Coprocessor Registers Primitive ............................. 7-42
Transfer Status Register and ScanPC Primitive.................................. 7-44
Take Preinstruction Exception Primitive .............................................. 7-45
Take Midinstruction Exception Primitive .............................................. 7-47
Take Postinstruction Exception Primitive ............................................ 7-48
Coprocessor-Detected Exceptions ...................................................... 7-49
Main-Processor-Detected Exceptions ................................................. 7-52
Control CIR .......................................................................................... 7-24
Save CIR ............................................................................................. 7-25
Condition CIR ...................................................................................... 7-26
Busy Primitive ...................................................................................... 7-30
Null Primitive ........................................................................................ 7-31
TABLE OF CONTENTS (Continued)
Coprocessor-Detected Protocol Violations ...................................... 7-50
Coprocessor-Detected Illegal Command or Condition Words ......... 7-51
Coprocessor Data-Processing-Related Exceptions ......................... 7-51
Coprocessor System-Related Exceptions ....................................... 7-51
Protocol Violations ........................................................................... 7-52
F-Line Emulator Exceptions ............................................................. 7-54
Format Errors ................................................................................... 7-52
SECTION 1: OVERVIEW
M68020 USER’S MANUAL
Title
UM Rev 1
Number
Page
xi