Adapter for a microprocessor
US6526501B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 1999 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Mar 12, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/3656
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An adapter device for assisting debugging of a microprocessor on a single integrated circuit chip, the integrated circuit chip comprising an on-chip CPU with a plurality of registers, a communication bus providing a parallel communication path between the CPU and a first memory local to the CPU and an external communication port connected to the said bus on the integrated circuit chip, the communication port having an internal connection to the said bus of an internal parallel signal format and an external connection to the adapter unit of a first external format less parallel than the said internal format; the adapter device comprising a first communication unit for connection to the communication port with the first external format; a second communication unit for connection to an external computer device with a second external format having a higher latency than the first external format; a second memory local to the adapter device; and a processing unit local to the adapter device and operable: (a) in a first mode to translate between the first external format and the second external format to allow the external computer device to communicate directly with the communication por…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.