SH7708 datasheet(10/633 Pages) RENESAS

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3.3.4

Page Management Information ............................................................................

3.4

MMU Functions ................................................................................................................66

3.4.1

MMU Hardware Management .............................................................................

3.4.2

MMU Software Management...............................................................................

3.4.3

MMU Instruction (LDLTB) .................................................................................

3.4.4

Avoiding Synonym Problems ..............................................................................

3.5

MMU Exceptions ..............................................................................................................

3.5.1

TLB Miss Exception ............................................................................................

3.5.2

TLB Protection Violation Exception....................................................................

3.5.3

TLB Invalid Exception .........................................................................................

3.5.4

Initial Page Write Exception ................................................................................

3.5.5

Processing Flow in Event of MMU Exception

(Same Processing Flow for Address Error)..........................................................

3.6

Memory-Mapped TLB ......................................................................................................

3.6.1

Address Array ......................................................................................................

3.6.2

Data Array ............................................................................................................

3.6.3

Usage Examples ...................................................................................................

3.7

Usage Note ........................................................................................................................

Section 4 Exception Handling.......................................................................................... 81

4.1

Overview............................................................................................................................

4.1.1

Features ................................................................................................................

4.1.2

4.2

Exception Handling Function............................................................................................

4.2.1

Exception Handling Flow.....................................................................................

4.2.2

Exception Handling Vector Addresses ................................................................

4.2.3

Acceptance of Exceptions ....................................................................................

4.2.4

Exception Codes ...................................................................................................

4.2.5

Exception Request Masks ....................................................................................

4.2.6

Returning from Exception Handling ....................................................................

4.3

Register Description ..........................................................................................................

4.4

Exception Handler Operation ............................................................................................

4.4.1

Reset .....................................................................................................................

4.4.2

Interrupts ..............................................................................................................

4.4.3

General Exceptions ..............................................................................................

4.5

Individual Exception Operations .......................................................................................

4.5.1

Resets....................................................................................................................

4.5.2

General Exceptions ..............................................................................................

4.5.3

Interrupts ..............................................................................................................

4.6

Cautions .............................................................................................................................

Section 5 Cache .................................................................................................................... 97

5.1

Overview............................................................................................................................

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