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PIC18F4685-I/SP Datasheet(PDF) 267 Page - Microchip Technology

Part # PIC18F4685-I/SP
Description  28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
PDF  484 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4685-I/SP Datasheet(HTML) 267 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
Preliminary
DS39761B-page 265
PIC18F2682/2685/4682/4685
FIGURE 21-2:
COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
TABLE 21-1:
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
CVREF Output
+
–
CVREF
Module
Voltage
Reference
Output
Impedance
R(1)
RA0
Note 1:
R is dependent upon the voltage reference configuration bits, CVRCON<3:0> and CVRCON<5>.
PIC18F4682/4685
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Values
on page
CVRCON(2)
CVREN
CVROE
CVRR
CVRSS
CVR3
CVR2
CVR1
CVR0
51
CMCON(2)
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.
2:
These registers are unimplemented on PIC18F2682/2685 devices.



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