Patent · US Expired

Semiconductor integrated circuit, system board and debugging system

US6918058B2 · kind B2 · utility

41Cited by
9References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 2001
Grant dateJul 12, 2005
Priority date
Expiry dateApr 13, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F11/3648
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor integrated circuit having: an internal main bus; first microprocessor and second microprocessor sharing the internal main bus; a first debug serial bus with one end thereof connected to said first microprocessor; a second debug serial bus with one end thereof connected to the second microprocessor; and a debugging module connected to the other ends of the first debug serial bus and second debug serial bus and transferring at least a debugging program and debugging data to the first microprocessor via said first debug serial bus and to the second microprocessor via the second debug serial bus.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.