▪ Compatible with object code level with SH-

1, SH-2, and SH-3

▪ Built-in 32-bit internal data bus

▪ Supports abundant register groups

− General-purpose register: Sixteen

32-bit registers (including eight 32-

bit bank registers)

− Control register: Eight 32-bit registers

− System register: Four 32-bit registers

▪ The instruction execution time of the basic

instruction corresponds to one

instruction/cycle

▪ The logical address space corresponds to 4 GB