Datasheet

PIC16F526
DS41326E-page 70  2010 Microchip Technology Inc.
FIGURE 11-1: COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
TABLE 11-1: REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Value on POR
Value on all
other Resets
VRCON VREN VROE VRR
— VR3 VR2 VR1 VR0 001- 1111 uuu- uuuu
CM1CON0 C1OUT C1OUTEN
C1POL C1T0CS C1ON C1NREF C1PREF C1WU q111 1111 quuu uuuu
CM2CON0 C2OUT C2OUTEN
C2POL C2PREF2 C2ON C2NREF C2PREF1 C2WU q111 1111 quuu uuuu
Legend: x = unknown, u = unchanged, – = unimplemented, read as ‘0’, q = value depends on condition.
VDD
8R R R
VREN
16-1 Analog
MUX
CVREF to
Comparator 2
Input
VR<3:0>
VREN
VR<3:0> = 0000
VRR
VRR
8R
RR
16 Stages
RC2/CVREF
VROE