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PIC16F87 Datasheet(PDF) 128 Page - Microchip Technology

Part # PIC16F87
Description  18/20/28-Pin Enhanced Flash MCUs with nanoWatt Technology
PDF  230 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F87 Datasheet(HTML) 128 Page - Microchip Technology

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PIC16F87/88
DS30487D-page 128
 2002-2013 Microchip Technology Inc.
FIGURE 14-1:
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
TABLE 14-1:
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
CVRR
8R
CVR3
CVR0
16-to-1 Analog MUX
8R
R
R
R
R
CVREN
CVREF
16 Stages
Input to
Comparator
CVROE
RA2/AN2/CVREF/VREF- pin(1)
VDD
CVR2
CVR1
Note 1: VREF is available on the PIC16F88 device only.
Address
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
9Dh
CVRCON
CVREN
CVROE
CVRR
—
CVR3
CVR2
CVR1
CVR0
000- 0000
000- 0000
9Ch
CMCON
C2OUT
C1OUT
C2INV
C1INV
CIS
CM2
CM1
CM0
0000 0111
0000 0111
Legend: x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used with the comparator voltage reference.



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