Datasheet

 2011 Microchip Technology Inc. Preliminary DS41441B-page 157
PIC12(L)F1840
REGISTER 19-1: CM1CON0: COMPARATOR C1 CONTROL REGISTER 0
R/W-0/0 R-0/0 R/W-0/0 R/W-0/0 U-0 R/W-1/1 R/W-0/0 R/W-0/0
C1ON C1OUT C1OE C1POL
—
C1SP C1HYS C1SYNC
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set ‘0’ = Bit is cleared
bit 7 C1ON: Comparator Enable bit
1 = Comparator is enabled and consumes no active power
0 = Comparator is disabled
bit 6 C1OUT: Comparator Output bit
If C1POL =
1 (inverted polarity):
1 = C1VP < C1VN
0 = C1VP > C1VN
If C1POL = 0 (non-inverted polarity):
1 = C1VP > C1VN
0 = C1VP < C1VN
bit 5 C1OE: Comparator Output Enable bit
1 = C1OUT is present on the C1OUT pin. Requires that the associated TRIS bit be cleared to actually
drive the pin. Not affected by C1ON.
0 = C1OUT is internal only
bit 4 C1POL: Comparator Output Polarity Select bit
1 = Comparator output is inverted
0 = Comparator output is not inverted
bit 3 Unimplemented: Read as ‘0’
bit 2 C1SP: Comparator Speed/Power Select bit
1 = Comparator operates in normal power, higher speed mode
0 = Comparator operates in low-power, low-speed mode
bit 1 C1HYS: Comparator Hysteresis Enable bit
1 = Comparator hysteresis enabled
0 = Comparator hysteresis disabled
bit 0 C1SYNC: Comparator Output Synchronous Mode bit
1 = Comparator output to Timer1 and I/O pin is synchronous to changes on Timer1 clock source.
Output updated on the falling edge of Timer1 clock source.
0 = Comparator output to Timer1 and I/O pin is asynchronous.