Communication interface for diagnostic circuits of an integrated circuit
US7412633B2 · kind B2 · utility
25Cited by
5References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2006 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Jun 7, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/31713
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An integrated circuit is provided with diagnostic circuitry, such as serial scan chains or debug bus access circuits, with which communication is established using an interface circuit coupled with a bi-directional serial link to an external diagnostic device. The bi-directional serial link carries both data and control signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.