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SH7280 Datasheet, PDF (32/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family | |||
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Section 1 Overview
Table 1.1 SH7286, SH7285, and SH7243 Features
Items
CPU
Operating modes
Specification
⢠Renesas Technology original SuperH architecture
⢠Compatible with SH-1 and SH-2 at object code level
⢠32-bit internal data bus
⢠Support of an abundant register-set
 Sixteen 32-bit general registers
 Four 32-bit control registers
 Four 32-bit system registers
 Register bank for high-speed response to interrupts
⢠RISC-type instruction set (upward compatible with SH series)
 Instruction length: 16-bit fixed-length basic instructions for
improved code efficiency and 32-bit instructions for high
performance and usability
 Load/store architecture
 Delayed branch instructions
 Instruction set based on C language
⢠Superscalar architecture to execute two instructions at one time
⢠Instruction execution time: Up to two instructions/cycle
⢠Address space: 4 Gbytes
⢠Internal multiplier
⢠Five-stage pipeline
⢠Operating modes
Extended ROM enabled mode
Single-chip mode
⢠Processing states
Program execution state
Exception handling state
Bus mastership release state
⢠Power-down modes
Sleep mode
Software standby mode
Module standby mode
Rev. 1.00 Jun. 26, 2008 Page 2 of 1692
REJ09B0393-0100
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