PIC16F1847_13 Datasheet, PDF (47/440 Pages) Microchip Technology – 18/20/28-Pin Flash Microcontrollers with XLP Technology

PIC16(L)F1847
REGISTER 4-1: CONFIG1: CONFIGURATION WORD 1 (CONTINUED)
bit 2-0
FOSC<2:0>: Oscillator Selection bits
111 = ECH: External Clock, High-Power mode (4-20 MHz): device clock supplied to CLKIN pin
110 = ECM: External Clock, Medium-Power mode (0.5-4 MHz): device clock supplied to CLKIN pin
101 = ECL: External Clock, Low-Power mode (0-0.5 MHz): device clock supplied to CLKIN pin
100 = INTOSC oscillator: I/O function on CLKIN pin
011 = EXTRC oscillator: External RC circuit connected to CLKIN pin
010 = HS oscillator: High-speed crystal/resonator connected between OSC1 and OSC2 pins
001 = XT oscillator: Crystal/resonator connected between OSC1 and OSC2 pins
000 = LP oscillator: Low-power crystal connected between OSC1 and OSC2 pins
Note 1:
The entire data EEPROM will be erased when the code protection is turned off during an erase. Once the
Data Code Protection bit is enabled, (CPD = 0), the Bulk Erase Program Memory Command (through
ICSP) can disable the Data Code Protection (CPD =1). When a Bulk Erase Program Memory Command
is executed, the entire program Flash memory, data EEPROM and configuration memory will be erased.
 2011-2013 Microchip Technology Inc.
Preliminary
DS40001453D-page 47