PIC16F1847 datasheet(48/408 Pages) MICROCHIP

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PIC16(L)F1847

DS41453B-page 48

Preliminary

 2011 Microchip Technology Inc.

CONFIGURATION WORD 1

U-1

R/P-1/1

—

FCMEN

IESO

CLKOUTEN

BOREN1

BOREN0

CPD

bit 15

bit 8

R/P-1/1

MCLRE

PWRTE

WDTE1

WDTE0

FOSC2

FOSC1

FOSC0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘1’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

P = Programmable bit

bit 15-14

Unimplemented:

Read as ‘1’.

bit 13

FCMEN:

Fail-Safe Clock Monitor Enable bit

= Fail-Safe Clock Monitor is enabled

= Fail-Safe Clock Monitor is disabled

bit 12

IESO:

Internal External Switchover bit

= Internal/External Switchover mode is enabled

= Internal/External Switchover mode is disabled

bit 11

CLKOUTEN:

Clock Out Enable bit

If FOSC Configuration bits are set to LP, XT, HS modes:

This bit is ignored, CLKOUT function is disabled. Oscillator function on the CLKOUT pin.

All other FOSC modes:

= CLKOUT function is disabled. I/O function on the CLKOUT pin.

= CLKOUT function is enabled on the CLKOUT pin

bit 10-9

BOREN<1:0>:

Brown-out Reset Enable bits(1)

= BOR enabled

= BOR enabled during operation and disabled in Sleep

= BOR controlled by SBOREN bit of the BORCON register

= BOR disabled

bit 8

CPD:

Data Code Protection bit(2)

= Data memory code protection is disabled

= Data memory code protection is enabled

bit 7

CP:

Code Protection bit(3)

= Program memory code protection is disabled

= Program memory code protection is enabled

bit 6

MCLRE:

RA5/MCLR/VPP Pin Function Select bit

If LVP bit = 1:

This bit is ignored.

If LVP bit = 0:

=MCLR/VPP pin function is MCLR; Weak pull-up enabled.

=MCLR/VPP pin function is digital input; MCLR internally disabled; Weak pull-up under control of

WPUA register.

bit 5

PWRTE:

Power-up Timer Enable bit(1)

= PWRT disabled

= PWRT enabled

bit 4-3

WDTE<1:0>:

Watchdog Timer Enable bit

= WDT enabled

= WDT enabled while running and disabled in Sleep

= WDT controlled by the SWDTEN bit in the WDTCON register

= WDT disabled

Note

Enabling Brown-out Reset does not automatically enable Power-up Timer.

The entire data EEPROM will be erased when the code protection is disabled during an erase.

The entire program memory will be erased when the code protection is disabled during an erase.

PIC16F1847 Datasheet(PDF) 48 Page - Microchip Technology

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