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PIC16F15213 데이터시트(PDF) 76 Page - Microchip Technology |
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PIC16F15213 데이터시트(HTML) 76 Page - Microchip Technology |
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76 / 408 page ![]() Important: OSCTUNE tuning does not affect the LFINTOSC frequency. 11.2.2.1.2 MFINTOSC The Medium-Frequency Internal Oscillator (MFINTOSC) generates two constant clock outputs (500 kHz and 31.25 kHz). The MFINTOSC clock signals are created from the HFINTOSC using dynamic divider logic, which provides constant MFINTOSC clock rates regardless of selected HFINTOSC frequency. The MFINTOSC cannot be used as the system clock, but can be used as a clock source for certain peripherals, such as a Timer. 11.2.2.2 LFINTOSC The Low-Frequency Internal Oscillator (LFINTOSC) is a factory-calibrated 31 kHz internal clock source. The LFINTOSC can be used as a system clock source, and may be used by certain peripheral modules as a clock source. Additionally, the LFINTOSC provides a time base for the following: • Power-up Timer (PWRT) • Watchdog Timer (WDT) The LFINTOSC is enabled by programming the RSTOSC Configuration bits to select LFINTOSC. 11.3 Register Definitions: Oscillator Control PIC16F15225/45 OSC - Oscillator Module © 2020 Microchip Technology Inc. Preliminary Datasheet DS20006389B-page 76 |
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