| Bit | Name | Description |
|---|---|---|
| bit 13 | -na- | Reserved, do not use. |
| bit 12 | -na- | Reserved, do not use. |
| bit 11 | FCMEN | Fail-Safe Clock Monitor Enabled bit 1 = Fail-Safe Clock Monitor is enabled 0 = Fail-Safe Clock Monitor is disabled |
| bit 10 | IESO | Internal External Switchover bit 1 = Internal External Switchover mode is enabled 0 = Internal External Switchover mode is disabled |
| bit 9-8 | BOREN<1:0> | Brown-out Reset Selection bits(1) 11 = BOR enabled 10 = BOR enabled during operation and disabled in Sleep 01 = BOR controlled by SBOREN bit of the PCON register 00 = BOR disabled |
| bit 7 | CPD | Data Code Protection bit(2) 1 = Data memory code protection is disabled 0 = Data memory code protection is enabled |
| bit 6 | CP | Code Protection bit(2) 1 = Program memory code protection is disabled 0 = Program memory code protection is enabled |
| bit 5 | MCLRE | MCLR Pin Function Select bit(4) 1 = MCLR pin function is MCLR 0 = MCLR pin function is digital input, MCLR internally tied to VDD |
| bit 4 | PWRTE | Power-up Timer Enable bit 1 = PWRT disabled 0 = PWRT enabled |
| bit 3 | WDTE | Watchdog Timer Enable bit 1 = WDT enabled 0 = WDT disabled |
| bit 2-0 | FOSC<2:0> | Oscillator Selection bits 111 = RC oscillator: CLKOUT function on RA4/OSC2/CLKOUT pin, RC on RA5/OSC1/CLKIN 110 = RCIO oscillator: I/O function on RA4/OSC2/CLKOUT pin, RC on RA5/OSC1/CLKIN 101 = INTOSC oscillator: CLKOUT function on RA4/OSC2/CLKOUT pin, I/O function on RA5/OSC1/CLKIN 100 = INTOSCIO oscillator: I/O function on RA4/OSC2/CLKOUT pin, I/O function on RA5/OSC1/CLKIN 011 = EC: I/O function on RA4/OSC2/CLKOUT pin, CLKIN on RA5/OSC1/CLKIN 010 = HS oscillator: High-speed crystal/resonator on RA4/OSC2/CLKOUT and RA5/OSC1/CLKIN 001 = XT oscillator: Crystal/resonator on RA4/OSC2/CLKOUT and RA5/OSC1/CLKIN 000 = LP oscillator: Low-power crystal on RA4/OSC2/CLKOUT and RA5/OSC1/CLKIN |