PIC16F1938_13 Datasheet, PDF (75/488 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver

PIC16(L)F1938/9
REGISTER 5-3: OSCTUNE: OSCILLATOR TUNING REGISTER
U-0
—
bit 7
U-0
R/W-0/0
R/W-0/0
R/W-0/0
R/W-0/0
—
TUN<5:0>
R/W-0/0
R/W-0/0
bit 0
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
bit 7-6
bit 5-0
Unimplemented: Read as ‘0’
TUN<5:0>: Frequency Tuning bits
100000 = Minimum frequency
•
•
•
111111 =
000000 = Oscillator module is running at the factory-calibrated frequency.
000001 =
•
•
•
011110 =
011111 = Maximum 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>
—
SCS<1:0>
73
OSCSTAT
T1OSCR PLLR
OSTS HFIOFR HFIOFL MFIOFR LFIOFR HFIOFS
74
OSCTUNE
PIE2
PIR2
—
OSFIE
OSFIF
—
C2IE
C2IF
C1IE
C1IF
EEIE
EEIF
TUN<5:0>
BCLIE
LCDIE
BCLIF
LCDIF
75
—
CCP2IE⁽¹⁾
92
—
CCP2IF⁽¹⁾
95
T1CON
TMR1CS<1:0>
T1CKPS<1:0>
T1OSCEN T1SYNC
—
TMR1ON
197
Legend: — = unimplemented location, read as ‘0’. Shaded cells are not used by clock sources.
Note 1: PIC16F1934 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
—
—
FCMEN
IESO CLKOUTEN
BOREN<1:0>
CPD
7:0
CP
MCLRE PWRTE
WDTE<1:0>
FOSC<2:0>
13:8
—
—
LVP
DEBUG
—
BORV STVREN PLLEN
7:0
—
—
VCAPEN<1:0>⁽¹⁾
—
—
WRT<1:0>
— = unimplemented location, read as ‘0’. Shaded cells are not used by clock sources.
PIC16F193X only.
Register
on Page
54
56
 2011-2013 Microchip Technology Inc.
DS40001574C-page 75