Microchip Technology AC244045 データシート
2010-2012 Microchip Technology Inc.
DS41440C-page 51
PIC16(L)F1825/1829
bit 2-0
FOSC<2:0>: Oscillator Selection bits
111 = ECH: External Clock, High-Power mode (4-32 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
111 = ECH: External Clock, High-Power mode (4-32 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
REGISTER 4-1:
CONFIGURATION WORD 1 (CONTINUED)
Note 1:
Enabling Brown-out Reset does not automatically enable Power-up Timer.
2:
The entire data EEPROM will be erased when the code protection is turned off during an erase.
3:
The entire program memory will be erased when the code protection is turned off.