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PIC18F2420-E/P Datasheet(PDF) 243 Page - Microchip Technology

Part # PIC18F2420-E/P
Description  28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PDF  412 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F2420-E/P Datasheet(HTML) 243 Page - Microchip Technology

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© 2008 Microchip Technology Inc.
DS39631E-page 241
PIC18F2420/2520/4420/4520
FIGURE 21-2:
COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
TABLE 21-1:
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Values
on page
CVRCON
CVREN
CVROE
CVRR
CVRSS
CVR3
CVR2
CVR1
CVR0
51
CMCON
C2OUT
C1OUT
C2INV
C1INV
CIS
CM2
CM1
CM0
51
TRISA
TRISA7(1) TRISA6(1) PORTA Data Direction Register
52
Legend:
Shaded cells are not used with the comparator voltage reference.
Note 1:
PORTA pins are enabled based on oscillator configuration.
CVREF Output
+
–
CVREF
Module
Voltage
Reference
Output
Impedance
R(1)
RA2
Note
1:
R is dependent upon the comparator voltage reference configuration bits, CVRCON<3:0> and CVRCON<5>.
PIC18FXXXX



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