Patent Number: 6,298,432

Title: One-chip microcomputer including RISC processor and one or more coprocessors having control registers mapped as internal registers for the RISC processor

Abstract: A one-chip microcomputer including a Reduced Instruction Set Computer (RISC) type processor and one or more coprocessors for performing processes independent from said RISC type processor. The RISC type processor is coupled to the coprocessors via a coprocessor bus and is provided with a bypass circuit which facilitates execution of conditional branch instructions.

Inventors: Goto; Masaru (Kanagawa, JP)

Assignee: Sony Corporation

International Classification: G06F 9/46 (20060101); G06F 9/32 (20060101); G06F 9/38 (20060101); G06F 9/30 (20060101); G06F 015/00 ()

Expiration Date: 10/02/2018