Datasheet

PIC12F510/16F506
DS41268D-page 50 © 2007 Microchip Technology Inc.
FIGURE 8-1: COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
TABLE 8-1: REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
Add 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
0Ch VRCON VREN VROE VRR
— VR3 VR2 VR1 VR0 001- 1111 001- 1111
08h CM1CON0
(1)
C1OUT C1OUTEN C1POL C1T0CS C1ON C1NREF C1PREF C1WU 1111 1111 uuuu uuuu
0Bh CM2CON0
(1)
C2OUT C2OUTEN C2POL C2PREF2 C2ON C2NREF C2PREF1 C2WU 1111 1111 uuuu uuuu
Legend: x = unknown, u = unchanged, – = unimplemented, read as ‘0’.
Note 1: PIC16F506 only.
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