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PIC18F4550ESOSQTP Datasheet(PDF) 279 Page - Microchip Technology

Part # PIC18F4550ESOSQTP
Description  28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology
PDF  430 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4550ESOSQTP Datasheet(HTML) 279 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
Preliminary
DS39632D-page 277
PIC18F2455/2550/4455/4550
FIGURE 23-2:
COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
TABLE 23-1:
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
CVREF Output
+
–
CVREF
Module
Voltage
Reference
Output
Impedance
R(1)
RA2
Note
1:
R is dependent upon the voltage reference configuration bits, CVRCON<5> and CVRCON<3:0>.
PIC18FXXXX
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
53
CMCON
C2OUT
C1OUT
C2INV
C1INV
CIS
CM2
CM1
CM0
53
TRISA
—
TRISA6(1)
TRISA5
TRISA4
TRISA3
TRISA2
TRISA1
TRISA0
54
Legend: Shaded cells are not used with the comparator voltage reference.
Note 1:
PORTA<6> and its direction and latch bits are individually configured as port pins based on various
oscillator modes. When disabled, these bits read as ‘0’.



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