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PIC16F1946 Datasheet, PDF (76/440 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology | |||
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PIC16F/LF1946/47
REGISTER 5-3: OSCTUNE: OSCILLATOR TUNING REGISTER
U-0
â
bit 7
U-0
R/W-0/0
R/W-0/0
R/W-0/0
R/W-0/0
â
TUN<5:0>
R/W-0/0
R/W-0/0
bit 0
Legend:
R = Readable bit
u = Bit is unchanged
â1â = Bit is set
W = Writable bit
x = Bit is unknown
â0â = Bit is cleared
U = Unimplemented bit, read as â0â
-n/n = Value at POR and BOR/Value at all other Resets
bit 7-6
bit 5-0
Unimplemented: Read as â0â
TUN<4:0>: Frequency Tuning bits
011111 = Maximum frequency
011110 =
â¢
â¢
â¢
000001 =
000000 = Oscillator module is running at the factory-calibrated frequency.
111111 =
â¢
â¢
â¢
100000 = Minimum frequency
TABLE 5-2: SUMMARY OF REGISTERS ASSOCIATED WITH CLOCK SOURCES
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Register
on Page
OSCCON
SPLLEN
IRCF<3:0>
â
SCS<1:0>
72
OSCSTAT
T1OSCR PLLR
OSTS HFIOFR HFIOFL MFIOFR LFIOFR HFIOFS
73
OSCTUNE
PIE2
PIR2
â
OSFIE
OSFIF
â
C2IE
C2IF
C1IE
C1IF
EEIE
EEIF
TUN<5:0>
BCLIE
LCDIE
BCLIF
LCDIF
74
â
CCP2IE(1)
91
â
CCP2IF(1)
95
T1CON
TMR1CS<1:0>
T1CKPS<1:0>
T1OSCEN T1SYNC
â
TMR1ON
199
Legend: â = unimplemented location, read as â0â. Shaded cells are not used by clock sources.
Note 1: PIC16F1947 only.
TABLE 5-3: SUMMARY OF CONFIGURATION WORD WITH CLOCK SOURCES
Name Bits Bit -/7
Bit -/6
Bit 13/5
Bit 12/4
Bit 11/3
Bit 10/2
Bit 9/1
Bit 8/0
CONFIG1
CONFIG2
Legend:
Note 1:
13:8
â
â
FCMEN
IESO CLKOUTEN
BOREN<1:0>
CPD
7:0
CP
MCLRE PWRTE
WDTE<1:0>
FOSC<2:0>
13:8
â
â
LVP
DEBUG
â
BORV STVREN PLLEN
7:0
â
â
VCAPEN
â
â
â
WRT<1:0>
â = unimplemented location, read as â0â. Shaded cells are not used by clock sources.
PIC16F1946/47 only.
Register
on Page
54
56
DS41414A-page 74
Preliminary
ï£ 2010 Microchip Technology Inc.
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