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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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XC164CS датащи(PDF) 36 Page - Infineon Technologies AG |
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XC164CS датащи(HTML) 36 Page - Infineon Technologies AG |
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36 / 71 page  XC164 Derivatives Functional Description Data Sheet 32 V2.1, 2003-06 3.9 Real Time Clock The Real Time Clock (RTC) module of the XC164 is directly clocked via a separate clock driver with the prescaled on-chip oscillator frequency ( fRTC = fOSC / 32). It is therefore independent from the selected clock generation mode of the XC164. The RTC basically consists of a chain of divider blocks: • a selectable 8:1 divider (on - off) • the reloadable 16-bit timer T14 • the 32-bit RTC timer block (accessible via registers RTCH and RTCL), made of: – a reloadable 10-bit timer – a reloadable 6-bit timer – a reloadable 6-bit timer – a reloadable 10-bit timer All timers count up. Each timer can generate an interrupt request. All requests are combined to a common node request. Figure 9 RTC Block Diagram Note: The registers associated with the RTC are not affected by a reset in order to maintain the correct system time even when intermediate resets are executed. m c b04805_x c.v s d T14R E L T14 T14-R egister C N T -R eg ister REL -Reg ister 10 B its 6 B its 6 B its 10 B its 10 B its 6 B its 6 B its 10 B its Inte rru p t S u b N o d e CNT IN T 0 CNT IN T 1 CNT IN T 2 CNT IN T3 RT CINT 1 0 8 RUN PR E f RT C MU X |
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