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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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STMPE1801 Fiches technique(PDF) 24 Page - STMicroelectronics |
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STMPE1801 Fiches technique(HTML) 24 Page - STMicroelectronics |
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24 / 60 page  Interrupt system STMPE1801 24/60 Doc ID 17884 Rev 3 9 Interrupt system The STMPE1801 uses a highly flexible interrupt system. It allows the host system to configure the type of system events that should result in an interrupt, and pinpoints the source of interrupt by status registers. The INT pin can be configured as active high (a pull- down resistor is required), or active low (a pull-up resistor is required). If INT pin is not in use, it is necessary to pull INT pin to VCC. Once asserted, the INT pin would de-assert when a read is done to the corresponding bit either in the INT_STA register or INT_STA_GPIO register. Figure 6. Interrupt system |
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