PDF SH77641 Data sheet ( Hoja de datos )

Número de pieza	SH77641
Descripción	32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series
Fabricantes	Renesas Technology
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No Preview Available ! REJ09B0360-0100 32 www.DataSheet4U.com SH7764 Group Hardware Manual Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series SH77641 SH77640 R5S77641 R5S77640 Rev.1.00 Revision Date: Nov. 22, 2007 1 page Configuration of This Manual This manual comprises the following items: 1. General Precautions on Handling of Product 2. Configuration of This Manual 3. Preface 4. Contents 5. Overview 6. Description of Functional Modules • CPU and System-Control Modules • On-Chip Peripheral Modules The configuration of the functional description of each module differs according to the module. However, the generic style includes the following items: i) Feature ii) Input/Output Pin iii) Register Description iv) Operation v) Usage Note When designing an application system that includes this LSI, take notes into account. Each section includes notes in relation to the descriptions given, and usage notes are given, as required, as the final part of each section. 7. Electrical Characteristics w8w. wA.DpaptaeSnhdeiext4U.com 9. Index Rev. 1.00 Nov. 22, 2007 Page v of lvi 5 Page 7.2 Register Descriptions ......................................................................................................... 158 7.2.1 Page Table Entry High Register (PTEH) .............................................................. 159 7.2.2 Page Table Entry Low Register (PTEL) ............................................................... 160 7.2.3 Translation Table Base Register (TTB) ................................................................ 161 7.2.4 TLB Exception Address Register (TEA) .............................................................. 162 7.2.5 MMU Control Register (MMUCR) ...................................................................... 162 7.2.6 Page Table Entry Assistance Register (PTEA)..................................................... 166 7.2.7 Physical Address Space Control Register (PASCR)............................................. 167 7.2.8 Instruction Re-Fetch Inhibit Control Register (IRMCR) ...................................... 168 7.3 TLB Functions (TLB Compatible Mode; MMUCR.ME = 0)............................................ 170 7.3.1 Unified TLB (UTLB) Configuration .................................................................... 170 7.3.2 Instruction TLB (ITLB) Configuration................................................................. 173 7.3.3 Address Translation Method................................................................................. 173 7.4 TLB Functions (TLB Extended Mode; MMUCR.ME = 1) ............................................... 176 7.4.1 Unified TLB (UTLB) Configuration .................................................................... 176 7.4.2 Instruction TLB (ITLB) Configuration................................................................. 179 7.4.3 Address Translation Method................................................................................. 180 7.5 MMU Functions................................................................................................................. 183 7.5.1 MMU Hardware Management .............................................................................. 183 7.5.2 MMU Software Management ............................................................................... 183 7.5.3 MMU Instruction (LDTLB).................................................................................. 184 7.5.4 Hardware ITLB Miss Handling ............................................................................ 186 7.5.5 Avoiding Synonym Problems ............................................................................... 187 7.6 MMU Exceptions............................................................................................................... 189 7.6.1 Instruction TLB Multiple Hit Exception............................................................... 189 7.6.2 Instruction TLB Miss Exception........................................................................... 190 www.Da7ta.S6.h3eet4IUn.csotrmuction TLB Protection Violation Exception .................................................. 191 7.6.4 Data TLB Multiple Hit Exception ........................................................................ 192 7.6.5 Data TLB Miss Exception .................................................................................... 192 7.6.6 Data TLB Protection Violation Exception............................................................ 194 7.6.7 Initial Page Write Exception................................................................................. 195 7.7 Memory-Mapped TLB Configuration................................................................................ 197 7.7.1 ITLB Address Array ............................................................................................. 198 7.7.2 ITLB Data Array (TLB Compatible Mode).......................................................... 199 7.7.3 ITLB Data Array (TLB Extended Mode) ............................................................. 200 7.7.4 UTLB Address Array............................................................................................ 202 7.7.5 UTLB Data Array (TLB Compatible Mode) ........................................................ 203 7.7.6 UTLB Data Array (TLB Extended Mode)............................................................ 204 7.8 Usage Notes ....................................................................................................................... 206 7.8.1 Note on Using LDTLB Instruction ....................................................................... 206 Rev. 1.00 Nov. 22, 2007 Page xi of lvi 11 Page

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