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