Section 1 Overview
Rev.1.00 Dec. 13, 2005 Page 4 of 1286
REJ09B0158-0100
Item Features
Memory
management
unit (MMU)
•
4 Gbytes of physical address space, 256 address space identifiers
(address space identifier ASID: 8 bits)
•
Supports single virtual memory mode and multiple virtual memory mode
•
Supports multiple page sizes: 1 Kbyte, 4 Kbytes, 64 Kbytes, or 1 Mbyte
•
4-entry full associative TLB for instructions
•
64-entry full associative TLB for instructions and operands
•
Supports software selection of replacement method and random-counter
replacement algorithms
•
Contents of TLB are directly accessible through address mapping
Cache memory
•
Instruction cache (IC)
32-Kbyte 4-way set associative
32-byte block length
•
Operand cache (OC)
32-Kbyte 4-way set associative
32-byte block length
Selectable write method (copy-back or write-through)
•
Storage queue (32 bytes
×
2 entries)
L memory
•
Three independent read/write ports
Instruction fetch access by the CPU
8-/16-/32-/64-bit operand access by the CPU
8-/16-/32-/64-bit and 16-/32-byte access by the SuperHyway bus
master
•
16-Kbyte capacity
•
Supports memory protective functions during CPU accesses
SuperHyway
memory
•
8-/16-/32-/64-bit and 16-/32-byte access from the SuperHyway bus
master
•
32-Kbyte capacity
Summary of Contents for SH7780 Series
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Page 82: ...Section 1 Overview Rev 1 00 Dec 13 2005 Page 32 of 1286 REJ09B0158 0100 ...
Page 122: ...Section 3 Instruction Set Rev 1 00 Dec 13 2005 Page 72 of 1286 REJ09B0158 0100 ...
Page 146: ...Section 4 Pipelining Rev 1 00 Dec 13 2005 Page 96 of 1286 REJ09B0158 0100 ...
Page 196: ...Section 6 Floating Point Unit FPU Rev 1 00 Dec 13 2005 Page 146 of 1286 REJ09B0158 0100 ...
Page 292: ...Section 9 L Memory Rev 1 00 Dec 13 2005 Page 242 of 1286 REJ09B0158 0100 ...
Page 492: ...Section 12 DDR SDRAM Interface DDRIF Rev 1 00 Dec 13 2005 Page 442 of 1286 REJ09B0158 0100 ...
Page 674: ...Section 15 Clock Pulse Generator CPG Rev 1 00 Dec 13 2005 Page 624 of 1286 REJ09B0158 0100 ...
Page 692: ...Section 16 Watchdog Timer and Reset Rev 1 00 Dec 13 2005 Page 642 of 1286 REJ09B0158 0100 ...
Page 726: ...Section 18 Timer Unit TMU Rev 1 00 Dec 13 2005 Page 676 of 1286 REJ09B0158 0100 ...
Page 1032: ...Section 25 Audio Codec Interface HAC Rev 1 00 Dec 13 2005 Page 982 of 1286 REJ09B0158 0100 ...
Page 1150: ...Section 28 General Purpose I O GPIO Rev 1 00 Dec 13 2005 Page 1100 of 1286 REJ09B0158 0100 ...
Page 1184: ...Section 29 User Break Controller UBC Rev 1 00 Dec 13 2005 Page 1134 of 1286 REJ09B0158 0100 ...
Page 1266: ...Section 31 Electrical Characteristics Rev 1 00 Dec 13 2005 Page 1216 of 1286 REJ09B0158 0100 ...
Page 1328: ...Appendix Rev 1 00 Dec 13 2005 Page 1278 of 1286 REJ09B0158 0100 ...
Page 1336: ...Rev 1 00 Dec 13 2005 Page 1286 of 1286 REJ09B0158 0100 ...
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