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PIC18F23K22-E/ML датащи(PDF) 33 Page - Microchip Technology |
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PIC18F23K22-E/ML датащи(HTML) 33 Page - Microchip Technology |
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33 / 496 page ![]() 2010 Microchip Technology Inc. Preliminary DS41412C-page 33 PIC18(L)F2X/4XK22 REGISTER 2-2: OSCCON2: OSCILLATOR CONTROL REGISTER 2 R-0/0 R-0/q U-0 R/W-0/0 R/W-0/u R/W-1/1 R-x/u R-0/0 PLLRDY SOSCRUN — MFIOSEL SOSCGO(1) PRISD MFIOFS LFIOFS bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ q = depends on condition ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets bit 7 PLLRDY: PLL Run Status bit 1 = System clock comes from 4xPLL 0 = System clock comes from an oscillator, other than 4xPLL bit 6 SOSCRUN: SOSC Run Status bit 1 = System clock comes from secondary SOSC 0 = System clock comes from an oscillator, other than SOSC bit 5 Unimplemented: Read as ‘0’. bit 4 MFIOSEL: MFINTOSC Select bit 1 = MFINTOSC is used in place of HFINTOSC frequencies of 500 kHz, 250 kHz and 31.25 kHz 0 = MFINTOSC is not used bit 3 SOSCGO(1): Secondary Oscillator Start Control bit 1 = Secondary oscillator is enabled. 0 = Secondary oscillator is shut off if no other sources are requesting it. bit 2 PRISD: Primary Oscillator Drive Circuit Shutdown bit 1 = Oscillator drive circuit on 0 = Oscillator drive circuit off (zero power) bit 1 MFIOFS: MFINTOSC Frequency Stable bit 1 = MFINTOSC is stable 0 = MFINTOSC is not stable bit 0 LFIOFS: LFINTOSC Frequency Stable bit 1 = LFINTOSC is stable 0 = LFINTOSC is not stable Note 1: The SOSCGO bit is only reset on a POR Reset. |
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