PIC18F1XK22 Datasheet, PDF (223/388 Pages) Microchip Technology – 20-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC18F1XK22/LF1XK22
FIGURE 17-3:
COMPARATOR C2 SIMPLIFIED BLOCK DIAGRAM
C2CH<1:0>
2
C12IN0-
C12IN1-
C12IN2-
C12IN3-
0
1
MUX
2
3
C2R
VREF
FVR
C2IN+
0
MUX
1
0
MUX
1
C2VREF
DQ
Q1 _EN
C2ON⁽¹⁾
C2VIN-
C2VIN+ ^C2
DQ
Q3*RD_CM2CON0 _EN
CL
NRESET
C2OUT
C2SP
C2POL
C2SYNC
0
DQ
1
From TMR1L[0]⁽⁴⁾
To
Data Bus
RD_CM2CON0
Set C2IF
To PWM Logic
C20E
C2OUT pin
SYNCC2OUT
C2RSEL
Note 1:
2:
3:
4:
When C2ON = 0, the C2 comparator will produce a ‘0’ output to the XOR Gate.
Q1 and Q3 are phases of the four-phase system clock (FOSC).
Q1 is held high during Sleep mode.
Positive going pulse generated on both falling and rising edges of the bit.
 2010 Microchip Technology Inc.
Preliminary
DS41365D-page 223