Datasheet

 2013-2015 Microchip Technology Inc. DS40001723D-page 57
PIC12(L)F1571/2
TABLE 5-2: SUMMARY OF REGISTERS ASSOCIATED WITH CLOCK SOURCES
TABLE 5-3: SUMMARY OF CONFIGURATION WORD WITH CLOCK SOURCES
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
— — TUN<5:0>
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit
u = Bit is unchanged x = Bit is unknown U = Unimplemented bit, read as ‘0’
‘1’ = Bit is set ‘0’ = Bit is cleared -n/n = Value at POR and BOR/Value at all other Resets
bit 7-6 Unimplemented: Read as ‘0’
bit 5-0 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
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>55
OSCSTAT
— PLLR OSTS HFIOFR HFIOFL MFIOFR LFIOFR HFIOFS 56
OSCTUNE — — TUN<5:0> 57
T1CON
TMR1CS<1:0> T1CKPS<1:0> — T1SYNC — TMR1ON 167
Legend: — = unimplemented location, read as ‘0’. Shaded cells are not used by 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
Register
on Page
CONFIG1
13:8
— — — —CLKOUTENBOREN<1:0> —
42
7:0
CP MCLRE PWRTE WDTE<1:0> — FOSC<1:0>
Legend: — = unimplemented location, read as ‘0’. Shaded cells are not used by clock sources.