PIC16F720_13 Datasheet, PDF (72/254 Pages) Microchip Technology – 20-Pin Flash Microcontrollers

PIC16(L)F720/721
REGISTER 8-1: CONFIGURATION WORD 1
U-1
R/P-1
U-1
—
PLLEN
—
bit 13
U-1
R/P-1
R/P-1
—
BOREN1 BOREN0
bit 8
U-1
—
bit 7
R/P-1
R/P-1
R/P-1
R/P-1
U-1
CP
MCLRE
PWRTE WDTEN
—
R/P-1
FOSC1
R/P-1
FOSC0
bit 0
Legend:
R = Readable bit
-n = Value at POR
P = Programmable bit
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 13
bit 12
bit 11-10
bit 9-8
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1-0
Note 1:
Unimplemented: Read as ‘1’
PLLEN: INTOSC PLL Enable bit
0 = INTOSC frequency is up to 500 kHz (Max. MFINTOSC)
1 = INTOSC frequency is up to 16 MHz (Max. HFINTOSC)
Unimplemented: Read as ‘1’
BOREN<1:0>: Brown-out Reset Enable bits⁽¹⁾
0x = Brown-out Reset disabled
10 = Brown-out Reset enabled during operation and disabled in Sleep
11 = Brown-out Reset enabled
Unimplemented: Read as ‘1’
CP: Flash Program Memory Code Protection bit
0 = Program Memory code protection is enabled
1 = Program Memory code protection is disabled
MCLRE: MCLR/VPP Pin Function Select bit
1 = MCLR/VPP pin function is MCLR; Weak pull-up enabled.
0 = MCLR/VPP pin function is digital input; MCLR internally disabled; Weak pull-up disabled
PWRTE: Power-up Timer Enable bit
0 = PWRT enabled
1 = PWRT disabled
WDTEN: Watchdog Timer Enable bit
0 = WDT disabled
1 = WDT enabled
Unimplemented: Read as ‘1’
FOSC<1:0>: Oscillator Selection bits
11 = EC oscillator: CLKOUT function on CLKOUT pin, and CLKIN function on CLKIN pin
10 = EC oscillator: I/O function on CLKOUT pin, and CLKIN function on CLKIN pin
01 = INTOSC oscillator: CLKOUT function on CLKOUT pin, and I/O function on CLKIN pin
00 = INTOSCIO oscillator: I/O function on CLKOUT pin, and I/O function on CLKIN pin
Fixed Voltage Reference is automatically enabled whenever the BOR is enabled.
DS41430D-page 72
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