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12F617 Datasheet(PDF) 109 Page - Microchip Technology

Part # 12F617
Description  8-Pin, Flash-Based 8-Bit CMOS Microcontrollers
PDF  212 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

12F617 Datasheet(HTML) 109 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS41302D-page 109
PIC12F609/615/617/12HV609/615
REGISTER 12-2:
CONFIG – CONFIGURATION WORD (ADDRESS: 2007h) FOR PIC12F617 ONLY
U-1
U-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
R/P-1
—
—
WRT1
WRT0 BOREN1 BOREN0
IOSCFS
CP
MCLRE
PWRTE
WDTE
FOSC2 F0SC1 F0SC0
bit
13
bit 0
bit 13-12
Unimplemented: Read as ‘1’
bit 11-10
WRT<1:0>: Flash Program Memory Self Write Enable bits
11
= Write protection off
10
= 000h to 1FFh write protected, 200h to 7FFh may be modified by PMCON1 control
01
= 000h to 3FFh write protected, 400h to 7FFh may be modified by PMCON1 control
00
= 000h to 7FFh write protected, entire program memory is write protected.
bit 9-8
BOREN<1:0>: Brown-out Reset Enable bits
11
= BOR enabled
10
= BOR disabled during Sleep and enabled during operation
0X
= BOR disabled
bit 7
IOSCFS: Internal Oscillator Frequency Select
1
=8 MHz
0
=4 MHz
bit 6
CP: Code Protection
1
= Program memory is not code protected
0
= Program memory is external read and write protected
bit 5
MCLRE: MCLR Pin Function Select
1
=MCLR pin is MCLR function and weak internal pull-up is enabled
0
=MCLR pin is alternate function, MCLR function is internally disabled
bit 4
PWRTE: Power-up Timer Enable bit(1)
1
= PWRT disabled
0
= PWRT enabled
bit 3
WDTE: Watchdog Timer Enable bit
1
= WDT enabled
0
= WDT disabled
bit 2-0
FOSC<2:0>: Oscillator Selection bits
000
=LP oscillator: Low-power crystal on RA5/T1CKI/OSC1/CLKIN and RA4/AN3/T1G/OSC2/CLKOUT
001
=XT oscillator: Crystal/resonator on RA5/T1CKI/OSC1/CLKIN and RA4/AN3/T1G/OSC2/CLKOUT
010
=HS oscillator: High-speed crystal/resonator on RA5/T1CKI/OSC1/CLKIN and RA4/AN3/T1G/OSC2/CLKOUT
011
=EC: I/O function on RA4/AN3/T1G/OSC2/CLKOUT, CLKIN on RA5/T1CKI/OSC1/CLKIN
100
=INTOSCIO oscillator: I/O function on RA4/AN3/T1G/OSC2/CLKOUT, I/O function on RA5/T1CKI/OSC1/CLKIN
101
=INTOSC oscillator: CLKOUT function on RA4/AN3/T1G/OSC2/CLKOUT, I/O function on RA5/T1CKI/OSC1/
CLKIN
110
=EXTRCIO oscillator: I/O function on RA4/AN3/T1G/OSC2/CLKOUT, RC on RA5/T1CKI/OSC1/CLKIN
111
=EXTRC oscillator: CLKOUT function on RA4/AN3/T1G/OSC2/CLKOUT, RC on RA5/T1CKI/OSC1/CLKIN
Note 1:Enabling Brown-out Reset does not automatically enable the Power-up Timer (PWRT).
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘1’
P = Programmable
-n = Value at POR
1 = bit is set
0 = bit is cleared
x = bit is unknown



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