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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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H8S/2218 Scheda tecnica(PDF) 406 Page - Renesas Technology Corp |
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H8S/2218 Scheda tecnica(HTML) 406 Page - Renesas Technology Corp |
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406 / 750 page  Section 11 Realtime Clock (RTC) Rev.6.00 Jun. 03, 2008 Page 358 of 698 REJ09B0074-0600 11.4 Operation 11.4.1 Initial Settings of Registers after Power-On and Resetting Procedure The RTC registers that store second, minute, hour, day-of week, operating mode, and A.M./P.M. data are not reset by an STBY input. Therefore, all registers must be set to their initial values after power-on and STBY input. Figure 11.3 shows the initial setting and resetting procedures of the RTC. Once the register setting are made, the RTC provides an accurate time as long as power is supplied regardless of a RES input. RST in RTCCR1=1 RST in RTCCR1=0 Set RSECDR, RMINDR, RHRDR, RWKDR, 12/24 in RTCCR1, and PM RUN in RTCCR1=1 Clock count controller is reset. Second, minute, hour, day-of-week, operating mode, and a.m/p.m are set. RTC operation is started. Figure 11.3 Initial Setting Procedure |
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