| 摘要 |
A method for obtaining a coordinate of a touch screen system, the method includes generating an interrupt according to a change in a resistance value between an upper resistance layer and a lower resistance layer of a touch screen panel, obtaining coordinate information of a point corresponding to the changed resistance value between the upper and lower resistance layers, the coordinate information being obtained in response to the interrupt, determining the changed resistance value by using the obtained coordinate information, and determining validity of the obtained coordinate information according to the determined changed resistance value.
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