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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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ST72F321BAR6TCRE Scheda tecnica(PDF) 97 Page - STMicroelectronics |
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ST72F321BAR6TCRE Scheda tecnica(HTML) 97 Page - STMicroelectronics |
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97 / 247 page  ST72321Bxxx-Auto PWM auto-reload timer (ART) 97/247 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 40. 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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