PIC16F819 – Datenblatt – Microchip
interne Oszillator Konfiguration
/* OSCCON - internal Oscillator Register ===================================== Bit Nr Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Name - IRCF2 IRCF1 IRCF0 - IOFS - - I/O - R/W R/W R/W - R - - Default 0 0 0 0 0 0 0 0 Project - 1 1 0 - - - - IRCF2:IRCF0: Internal Oscillator Frequency Select bits 111 = 8 MHz (8 MHz source drives clock directly) 110 = 4 MHz 101 = 2 MHz 100 = 1 MHz 011 = 500 kHz 010 = 250 kHz 001 = 125 kHz 000 = 31.25 kHz (INTRC source drives clock directly) IOFS: INTOSC Frequency Stable bit 1 = Frequency is stable 0 = Frequency is not stable */ OSCCON = 0b01100000; // 4 MHz Clock