Acquisition of extended display identification data (EDID) using inter-IC (I2C) protocol
US7839409B2 · kind B2 · utility
9Cited by
18References
9Claims
0Family size
Inventors
Key dates
| Filing date | Feb 18, 2005 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Oct 4, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2370/047
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a VESA standard compliant display controller having a processor arranged to process executable instructions and associated data, a memory device arranged to store EDID and the executable instructions and associated data, a number of data ports coupled to the memory device by way of an I2C data bus each coupled to a host device, a method of transferring EDID from the memory device over the I2C data bus to a requesting one of the data ports while servicing a processor memory access request without clock stretching.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.