Digital audio system on a chip with configurable GPIOs
US7250787B2 · kind B2 · utility
1Cited by
1References
15Claims
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Assignee
Inventor
Key dates
| Filing date | Sep 25, 2006 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Sep 25, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2207/16
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A digital audio system on a chip includes a plurality of general purpose input/output (GPIO) modules operably coupled to the bus. Each of the plurality of GPIO modules includes a plurality of GPIO cells, wherein a GPIO cell of the plurality of GPIO cells is coupled to a pin of the digital audio SOC. A first GPIO module of the plurality of GPIO modules functions, in a first mode, as an input/output for system management and functions, in a second mode, as an output. A second GPIO module of the plurality of GPIO modules functions, in a first mode, as an I2C input/output, and functions, in a second mode, as an input/output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.