PIC16F506 Microchip Technology, PIC16F506 Datasheet - Page 59

• Manufacturer Part Number: PIC16F506
• Description: (PIC12F510 / PIC16F506) 8-Bit Flash Microcontroller
• Manufacturer: Microchip Technology

REGISTER 10-2:
© 2006 Microchip Technology Inc.
bit 11
bit 11-7: Unimplemented: Read as ‘1’
bit 6:
bit 5:
bit 4:
bit 3:
bit 2-0:
—
Legend:
R = Readable bit
-n = bLANK
IOSCFS: Internal Oscillator Frequency Select bit
1 = 8 MHz INTOSC speed
0 = 4 MHz INTOSC speed
MCLRE: Master Clear Enable bit
1 = RB3/MCLR pin functions as MCLR
0 = RB3/MCLR pin functions as RB3, MCLR tied internally to V
CP: Code Protection bit
1 = Code protection off
0 = Code protection on
WDTE: Watchdog Timer Enable bit
1 = WDT enabled
0 = WDT disabled
FOSC2:FOSC0: Oscillator Selection bits
000 = LP oscillator and 18 ms DRT
001 = XT oscillator and 18 ms DRT
010 = HS oscillator and 18 ms DRT
011 = EC oscillator with RB4 function on RB4/OSC2/CLKOUT and 1.125 ms DRT
100 = INTOSC with RB4 function on RB4/OSC2/CLKOUT and 1.125 ms DRT
101 = INTOSC with CLKOUT function on RB4/OSC2/CLKOUT and 1.125 ms DRT
110 = EXTRC with RB4 function on RB4/OSC2/CLKOUT and 1.125 ms DRT
111 = EXTRC with CLKOUT function on RB4/OSC2/CLKOUT and 1.125 ms DRT
Note 1: Refer to the “PIC16F506 Memory Programming Specification”, DS41258, to determine how to
—
2: It is the responsibility of the application designer to ensure the use of the 1.125 ms (nominal)
CONFIGURATION WORD – PIC16F506
access the Configuration Word.
DRT will result in acceptable operation. Refer to Electrical Specifications for V
stability requirements for this mode of operation.
—
—
W = Writable bit
‘1’ = bit is set
—
IOSCFS MCLRE
Preliminary
U = Unimplemented bit, read as ‘0’
‘0’ = bit is cleared
PIC12F510/16F506
CP
DD
WDTE
(1), (2)
(1), (2)
FOSC2 FOSC1 FOSC0
x = bit is unknown
(1), (2)
(1), (2)
(1), (2)
DS41268B-page 57
DD
rise time and
bit 0