PIC12F1840 View Datasheet(PDF) - Microchip Technology
Part Name
Description
MFG CO.
'PIC12F1840' PDF : 410 Pages View PDF
PIC12(L)F1840
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
OSCCON
SPLLEN
IRCF<3:0>
—
SCS<1:0>
OSCSTAT
T1OSCR PLLR
OSTS HFIOFR HFIOFL MFIOFR LFIOFR HFIOFS
OSCTUNE
—
—
TUN<5:0>
PIE2
OSFIE
—
C1IE
EEIE
BCL1IE
—
—
—
PIR2
OSFIF
—
C1IF
EEIF
BCL1IF
—
—
—
T1CON
TMR1CS<1:0>
T1CKPS<1:0>
T1OSCEN T1SYNC
—
TMR1ON
Legend: — = unimplemented location, read as ‘0’. Shaded cells are not used by clock sources.
Note 1: PIC12(L)F1840 only.
Register
on Page
54
55
56
76
78
161
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
Legend:
Note 1:
13:8
—
—
FCMEN
IESO CLKOUTEN
BOREN<1:0>
7:0
CP
MCLRE PWRTE
WDTE<1:0>
FOSC<2:0>
— = unimplemented location, read as ‘0’. Shaded cells are not used by clock sources.
PIC12F1840 only.
CPD
Register
on Page
34
DS41441C-page 56
2011-2012 Microchip Technology Inc.
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