PIC18F23K22 Datasheet, PDF (306/492 Pages) Microchip Technology – 28/40/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology

PIC18(L)F2X/4XK22
FIGURE 18-2: COMPARATOR C1/C2 SIMPLIFIED BLOCK DIAGRAM
CxCH<1:0>
2
C12IN0-
0
C12IN1-
1
C12IN2-
2
C12IN3-
3
CxON⁽¹⁾
CxSP
CxVIN-
CxVIN+
-
Cx
+
CxR
CxIN+
0
DAC
0
FVR BUF1
1
1
CXVREF
CXRSEL
CxPOL
Timer1 Clock
Q1^(2),(3)
DQ
EN
To CMxCON0 (CxOUT)
CM2CON1 (MCxOUT)
Q3⁽²⁾
Read or Write
of CMxCON0
DQ
EN
CL
Reset
CxSYNC
CxOE
To Interrupts
(CxIF)
Cx Output
to PWM Logic
TRIS bit
0
DQ 1
CxOUT
SYNCCxOUT
- to SR Latch
- to TxG MUX⁽⁴⁾
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.
Synchronized comparator output should not be used to gate Timer1 in conjunction with synchronized T1CKI.
DS41412B-page 306
Preliminary
 2010 Microchip Technology Inc.