mc68ec060 Freescale Semiconductor, Inc, mc68ec060 Datasheet - Page 9

• Manufacturer Part Number: mc68ec060
• Description: Mc68060 Superscalar 68k Microprocessor Including The Lc060 And Ec060
• Manufacturer: Freescale Semiconductor, Inc

3.1
3.2
3.2.1
3.2.1.1
3.2.1.2
3.2.1.3
3.2.1.4
3.2.1.5
3.2.2
3.2.2.1
3.2.2.2
3.2.2.3
3.2.2.4
3.2.2.5
4.1
4.1.1
4.1.2
4.1.3
4.2
4.2.1
4.2.2
4.2.2.1
4.2.2.2
4.2.2.3
4.2.3
4.2.4
4.2.4.1
4.2.4.2
4.2.4.3
4.2.4.4
4.2.5
4.2.6
4.2.6.1
4.2.6.2
4.2.6.3
4.3
4.4
4.5
4.6
4.6.1
MOTOROLA
Integer Unit Execution Pipelines ................................................................... 3-1
Integer Unit Register Description .................................................................. 3-2
Memory Management Programming Model.................................................. 4-3
Logical Address Translation.......................................................................... 4-7
Address Translation Caches....................................................................... 4-24
Transparent Translation.............................................................................. 4-27
Address Translation Summary.................................................................... 4-28
RSTI and MDIS Effect on the MMU ............................................................ 4-28
Integer Unit User Programming Model ....................................................... 3-2
Integer Unit Supervisor Programming Model.............................................. 3-3
User and Supervisor Root Pointer Registers .............................................. 4-3
Translation Control Register ....................................................................... 4-4
Transparent Translation Registers ............................................................. 4-6
Translation Tables ...................................................................................... 4-7
Descriptors................................................................................................ 4-12
Translation Table Example ....................................................................... 4-15
Variations in Translation Table Structure.................................................. 4-16
Table Search Accesses ............................................................................ 4-19
Address Translation Protection................................................................. 4-20
Effect of RSTI on the MMUs ..................................................................... 4-28
Data Registers (D7–D0) ........................................................................... 3-2
Address Registers (A6–A0) ...................................................................... 3-2
User Stack Pointer (A7) ............................................................................ 3-2
Program Counter ...................................................................................... 3-3
Condition Code Register .......................................................................... 3-3
Supervisor Stack Pointer .......................................................................... 3-4
Status Register ......................................................................................... 3-4
Vector Base Register................................................................................ 3-4
Alternate Function Code Registers........................................................... 3-5
Processor Configuration Register............................................................. 3-5
Table Descriptors.................................................................................... 4-12
Page Descriptors .................................................................................... 4-12
Descriptor Field Definitions..................................................................... 4-13
Indirect Action ......................................................................................... 4-16
Table Sharing Between Tasks................................................................ 4-17
Table Paging .......................................................................................... 4-17
Dynamically Allocated Tables................................................................. 4-17
Supervisor and User Translation Tables ................................................ 4-21
Supervisor Only ...................................................................................... 4-22
Write Protect ........................................................................................... 4-22
Memory Management Unit
M68060 USER’S MANUAL
Integer Unit
Section 3
Section 4
Table of Contents
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