MC68060 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
Manufacturer
MC68060 Datasheet PDF : 416 Pages
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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
Table of Contents
Section 3
Integer Unit
Integer Unit Execution Pipelines ................................................................... 3-1
Integer Unit Register Description .................................................................. 3-2
Integer Unit User Programming Model ....................................................... 3-2
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
Integer Unit Supervisor Programming Model.............................................. 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
Section 4
Memory Management Unit
Memory Management Programming Model.................................................. 4-3
User and Supervisor Root Pointer Registers .............................................. 4-3
Translation Control Register ....................................................................... 4-4
Transparent Translation Registers ............................................................. 4-6
Logical Address Translation.......................................................................... 4-7
Translation Tables ...................................................................................... 4-7
Descriptors................................................................................................ 4-12
Table Descriptors.................................................................................... 4-12
Page Descriptors .................................................................................... 4-12
Descriptor Field Definitions..................................................................... 4-13
Translation Table Example ....................................................................... 4-15
Variations in Translation Table Structure.................................................. 4-16
Indirect Action ......................................................................................... 4-16
Table Sharing Between Tasks................................................................ 4-17
Table Paging .......................................................................................... 4-17
Dynamically Allocated Tables................................................................. 4-17
Table Search Accesses ............................................................................ 4-19
Address Translation Protection................................................................. 4-20
Supervisor and User Translation Tables ................................................ 4-21
Supervisor Only ...................................................................................... 4-22
Write Protect ........................................................................................... 4-22
Address Translation Caches....................................................................... 4-24
Transparent Translation.............................................................................. 4-27
Address Translation Summary.................................................................... 4-28
RSTI and MDIS Effect on the MMU ............................................................ 4-28
Effect of RSTI on the MMUs ..................................................................... 4-28
MOTOROLA
M68060 USER’S MANUAL
xi
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