PIC12F508-I/SL 查看數據表（PDF） - Microchip Technology

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PIC12F508-I/SL

8/14-Pin, 8-Bit Flash Microcontrollers

Microchip Technology 

PIC12F508/509/16F505

REGISTER 7-2: CONFIGURATION WORD FOR PIC16F505(1)

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—

—

—

—

— MCLRE CP WDTE FOSC2 FOSC1 FOSC0

bit 11

bit 0

Legend:

R = Readable bit

-n = Value at POR

W = Writable bit

‘1’ = Bit is set

U = Unimplemented bit, read as ‘0’

‘0’ = Bit is cleared

x = Bit is unknown

bit 11-6

bit 5

bit 4

bit 3

bit 2-0

Unimplemented: Read as ‘0’

MCLRE: RB3/MCLR Pin Function Select bit

1 = RB3/MCLR pin function is MCLR

0 = RB3/MCLR pin function is digital input, MCLR internally tied to VDD

CP: Code Protection bit

1 = Code protection off

0 = Code protection on

WDTE: Watchdog Timer Enable bit

1 = WDT enabled

0 = WDT disabled

FOSC<1:0>: Oscillator Selection bits

111 = External RC oscillator/CLKOUT function on RB4/OSC2/CLKOUT pin

110 = External RC oscillator/RB4 function on RB4/OSC2/CLKOUT pin

101 = Internal RC oscillator/CLKOUT function on RB4/OSC2/CLKOUT pin

100 = Internal RC oscillator/RB4 function on RB4/OSC2/CLKOUT pin

011 = EC oscillator/RB4 function on RB4/OSC2/CLKOUT pin

010 = HS oscillator

001 = XT oscillator

000 = LP oscillator

Note 1: Refer to the “PIC16F505 Memory Programming Specifications” (DS41226) to determine how to access

the Configuration Word. The Configuration Word is not user addressable during device operation.

© 2009 Microchip Technology Inc.

DS41236E-page 43

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