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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DI25 датащи(PDF) 97 Page - Microchip Technology |
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DI25 датащи(HTML) 97 Page - Microchip Technology |
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97 / 416 page  2016-2018 Microchip Technology Inc. DS30010118D-page 97 PIC24FJ256GA705 FAMILY 9.0 OSCILLATOR CONFIGURATION The oscillator system for the PIC24FJ256GA705 family devices has the following features: • An On-Chip PLL Block to provide a Range of Frequency Options for the System Clock • Software-Controllable Switching between Various Clock Sources • Software-Controllable Postscaler for Selective Clocking of CPU for System Power Savings • A Fail-Safe Clock Monitor (FSCM) that Detects Clock Failure and Permits Safe Application Recovery or Shutdown • A Separate and Independently Configurable System Clock Output for Synchronizing External Hardware A simplified diagram of the oscillator system is shown in Figure 9-1. FIGURE 9-1: PIC24FJ256GA705 FAMILY CLOCK DIAGRAM Note: This data sheet summarizes the features of this group of PIC24F devices. It is not intended to be a comprehensive refer- ence source. For more information, refer to the “dsPIC33/PIC24 Family Reference Manual”, “Oscillator” (DS39700), which is available from the Microchip website (www.microchip.com). The information in this data sheet supersedes the information in the FRM. PIC24FJ256GA705 Family Secondary Oscillator SOSCEN Enable Oscillator SOSCO SOSCI WDT, Other Modules OSCI OSCO Primary Oscillator XT, HS, EC CPU Peripherals RCDIV<2:0> Timer, CCP, RTCC, CLC, WDT, PWRT OSCFDIV SOSC Clock Control Logic FSCM DOZE<14:12> CLKO XTPLL, HSPLL ECPLL,FRCPLL PLL & DIV PLLMODE<3:0> CPDIV<1:0> PLL CCP LPRC FRC DIV<14:0> LPRC Oscillator FRC Divider ÷ n WDT, RTCC, CLC |
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