PIC16F526 Datasheet, PDF (70/122 Pages) Microchip Technology – 14-Pin, 8-Bit Flash Microcontroller

PIC16F526
FIGURE 11-1:
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
16 Stages
8R
R
R
R
R
VDD
VREN
CVREF to
Comparator 2
Input
RC2/CVREF
VROE
16-1 Analog
MUX
VR<3:0>
VREN
VR<3:0> = 0000
VRR
8R
VRR
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
CM1CON0
CM2CON0
Legend:
VREN
VROE
VRR
—
VR3
VR2
VR1
VR0
C1OUT C1OUTEN C1POL C1T0CS C1ON C1NREF C1PREF C1WU
C2OUT C2OUTEN C2POL C2PREF2 C2ON C2NREF C2PREF1 C2WU
x = unknown, u = unchanged, – = unimplemented, read as ‘0’, q = value depends on condition.
001- 1111
q111 1111
q111 1111
uuu- uuuu
quuu uuuu
quuu uuuu
DS41326D-page 70
 2010 Microchip Technology Inc.