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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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SH7041A Fiches technique(PDF) 503 Page - Renesas Technology Corp |
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SH7041A Fiches technique(HTML) 503 Page - Renesas Technology Corp |
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503 / 923 page  465 13.3.4Timing of Setting the Overflow Flag (OVF) In the interval timer mode, when the TCNT overflows, the OVF flag of the TCSR is set to 1 and an interval timer interrupt is simultaneously requested (figure 13.6). H'FF H'00 CK TCNT Overflow signal (internal signal) OVF Figure 13.6 Timing of Setting the OVF 13.3.5 Timing of Setting the Watchdog Timer Overflow Flag (WOVF) When the TCNT overflows in the watchdog timer mode, the WOVF bit of the RSTCSR is set to 1 and a WDTOVF signal is output. When the RSTE bit is set to 1, TCNT overflow enables an internal reset signal to be generated for the entire chip (figure 13.7). H'FF H'00 CK TCNT Overflow signal (internal signal) WOVF Figure 13.7 Timing of Setting the WOVF Bit |
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