PIC18F-LF1XK50 Datasheet, PDF (224/420 Pages) Microchip Technology – 20-Pin USB Flash Microcontrollers

PIC18F/LF1XK50
FIGURE 18-2: COMPARATOR C1 SIMPLIFIED BLOCK DIAGRAM
C1CH<1:0>
2
AGND
C12IN1-
C12IN2-
C12IN3-
0
1
MUX
2
3
C1R
VREF
FVR
C1IN+
0
MUX
1
0
MUX
1
C1VREF
C1RSEL
DQ
Q1 _EN
C1ON⁽¹⁾
DQ
Q3*RD_CM1CON0 _EN
CL
NReset
C1VIN- _-
C1VIN+
C1
+
C1SP
C1POL
C1OUT
C1SYNC
0
DQ
1
From TMR1L[0]⁽⁴⁾
To
Data Bus
RD_CM1CON0
Set C1IF
To PWM Logic
C2OE
C1OE
C12OUT
SYNCC1OUT
Note 1:
2:
3:
4:
When C1ON = 0, the C1 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.
DS41350E-page 224
Preliminary
 2010 Microchip Technology Inc.