OSCCON = 0X70; // internal osc, 8M osc
OSCCON: OSCILLATOR CONTROL REGISTER (ADDRESS 8Fh) Note: The OST is only used when switching to XT, HS and LP Oscillator modes. U-0 R/W-0 R/W-0 R/W-0 R-0 R/W-0 R/W-0 R/W-0 — IRCF2 IRCF1 IRCF0 OSTS(1) IOFS SCS1 SCS0 bit 7 bit 0 bit 7 Unimplemented: Read as '0' bit 6-4 IRCF<2:0>: Internal RC Oscillator Frequency Select bits 000 = 31.25 kHz 001 = 125 kHz 010 = 250 kHz 011 = 500 kHz 100 = 1 MHz 101 = 2 MHz 110 = 4 MHz 111 = 8 MHz bit 3 OSTS: Oscillator Start-up Time-out Status bit(1) 1 = Device is running from the primary system clock 0 = Device is running from T1OSC or INTRC as a secondary system clock Note 1: Bit resets to '0' with Two-Speed Start-up mode and LP, XT or HS selected as the oscillator mode. bit 2 IOFS: INTOSC Frequency Stable bit 1 = Frequency is stable 0 = Frequency is not stable bit 1-0 SCS<1:0>: Oscillator Mode Select bits 00 = Oscillator mode defined by FOSC<2:0> 01 = T1OSC is used for system clock 10 = Internal RC is used for system clock 11 = Reserved |