PIC18F248-E/L MICROCHIP [Microchip Technology], PIC18F248-E/L Datasheet - Page 259

• Manufacturer Part Number: PIC18F248-E/L
• Description: 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 22-2:
TABLE 22-1:
© 2006 Microchip Technology Inc.
CVRCON
CMCON
TRISA
Legend: x = unknown, u = unchanged, - = unimplemented, read as ‘0’.
Name
Shaded cells are not used with the comparator voltage reference.
CVREN CVROE
C2OUT C1OUT
Note 1: R is dependent upon the voltage reference configuration CVRCON<3:0> and CVRCON<5>.
Bit 7
—
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
Module
CV
VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
TRISA6 TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 -111 1111 -111 1111
REF
Bit 6
Impedance
Reference
Voltage
Output
C2INV
CVRR
R
Bit 5
(1)
RA0/AN0
CVRSS
C1INV
Bit 4
•
CVR3
Bit 3
CIS
CVR2
Bit 2
CM2
+
–
CVR1
Bit 1
CM1
•
CVR0
Bit 0
CM0
CV
PIC18FXX8
REF
0000 0000 0000 0000
0000 0000 0000 0000
Output
Value on
POR
DS41159E-page 257
Value on
all other
Resets