Section 1 Overview
Rev.1.00 Dec. 13, 2005 Page 2 of 1286
REJ09B0158-0100
Table 1.1
SH7780 Features
Item Features
LSI
•
Operating frequency: 400 MHz
•
Performance: 720MIPS, 2.8 GFLOPS
•
Voltage: 1.25 V (internal), 2.5 V (DDR-SDRAM interface), 3.3 V (I/O)
•
Superscalar architecture: Parallel execution of two instructions
•
Packages: 449-pin BGA (Size: 21
×
21 mm, pin pitch: 0.8 mm)
•
Local bus interface (External bus):
Separate 26-bit address and 32-bit data buses
External bus frequency: 100 MHz
•
DDR-SDRAM bus interface (External bus):
Separate 14-bit address and 32-bit data buses
External bus frequency: 133 M or 160 MHz (DDR266/320)
•
PCI bus interface (External bus):
32-bit address/data multiplexing
External bus frequency: 33M or 66 MHz
CPU
•
Renesas Technology original architecture
•
32-bit internal data bus
•
General-register files:
Sixteen 32-bit general registers (eight 32-bit shadow registers)
Seven 32-bit control registers
Four 32-bit system registers
•
RISC-type instruction set (upward compatible with the SH-1, SH-2, SH-3
and SH-4 microcomputers)
Instruction length: 16-bit fixed length for improved code efficiency
Load/store architecture
Delayed branch instructions
Instructions executed with conditions
Instruction set based on the C language
•
Super scalar which executes two instructions simultaneously including
the FPU
•
Instruction execution time: Two instructions per cycle (max)
•
Virtual address space: 4 Gbytes
•
Space identifier ASID: 8 bits, 256 virtual address spaces
•
On-chip multiplier
•
Seven-stage pipeline
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 ...
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