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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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ST72325AR7-Auto Fiches technique(PDF) 96 Page - STMicroelectronics |
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ST72325AR7-Auto Fiches technique(HTML) 96 Page - STMicroelectronics |
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96 / 243 page  Obsolete Product(s) - Obsolete Product(s) PWM auto-reload timer (ART) ST72325xxx-Auto 96/243 Doc ID 13770 Rev 3 12.2.9 External interrupt capability This mode allows the input capture capabilities to be used as external interrupt sources. The interrupts are generated on the edge of the ARTICx signal. The edge sensitivity of the external interrupts is programmable (CSx bit of ARTICCSR register) and they are independently enabled through CIEx bits of the ARTICCSR register. After fetching the interrupt vector, the CFx flags can be read to identify the interrupt source. During Halt mode, the external interrupts can be used to wake up the micro (if the CIEx bit is set). Figure 42. Input capture timing diagram 04h COUNTER t 01h fCOUNTER xxh 02h 03h 05h 06h 07h 04h ARTICx PIN CFx FLAG ICRx REGISTER INTERRUPT |
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