PIC16F1938_13 Datasheet, PDF (55/488 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver

PIC16(L)F1938/9
REGISTER 4-1: CONFIGURATION WORD 1 (CONTINUED)
bit 2-0
FOSC<2:0>: Oscillator Selection bits
111 = ECH: External Clock, High-Power mode: CLKIN on RA7/OSC1/CLKIN
110 = ECM: External Clock, Medium-Power mode: CLKIN on RA7/OSC1/CLKIN
101 = ECL: External Clock, Low-Power mode: CLKIN on RA7/OSC1/CLKIN
100 = INTOSC oscillator: I/O function on RA7/OSC1/CLKIN
011 = EXTRC oscillator: RC function on RA7/OSC1/CLKIN
010 = HS oscillator: High-speed crystal/resonator on RA6/OSC2/CLKOUT pin and RA7/OSC1/CLKIN
001 = XT oscillator: Crystal/resonator on RA6/OSC2/CLKOUT pin and RA7/OSC1/CLKIN
000 = LP oscillator: Low-power crystal on RA6/OSC2/CLKOUT pin and RA7/OSC1/CLKIN
Note 1:
2:
3:
Enabling Brown-out Reset does not automatically enable Power-up Timer.
The entire data EEPROM will be erased when the code protection is turned off during an erase.
The entire program memory will be erased when the code protection is turned off.
 2011-2013 Microchip Technology Inc.
DS40001574C-page 55