▪ 32-bit internal data bus

▪ General purpose register file:

− 16 32-bit general-purpose registers

(and 8 32-bit shadow registers)

− Seven 32-bit control registers

− Four 32-bit system registers

▪ RISC type instruction set (with upward

compatibility with SH-1, SH-2, SH-3, SH-4):

− Instruction length: 16 bits fixed length

for improving code efficiency