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Benefits of SDIO for modular hardware design

Posted: 07 Jul 2009     Print Version  Bookmark and Share

Keywords:Modular hardware  handset  SDIO 

Modular hardware design has become a popular design practice today because of the improved time to market that it provides. Previously, handset design required the architecture to be planned, followed by schematics and the manufacture of an evaluation board that simulated the end product. This practice took significant pre-study time before an evaluation board could be made because a mistake or change in the specification would require a full re-manufacture of the board, thus increasing design time and cost.

In contrast, the modular hardware approach decreases the need for long planning cycles as expansion slots can be built on evaluation boards to accommodate changes in spec and feature sets. Designers can now connect various modules to the core evaluation platform to achieve different desired results. With modular hardware design gaining traction, it has become essential that designers provide mechanisms for easily connecting various modules to existing evaluation boards.

There are multiple ways for connecting chipsets and modules. Some of the more common interfaces include I2C, UART, SPI and SDIO.

View the PDF document for more information.





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