Microchip Technology MA330031-2 データシート
2011-2013 Microchip Technology Inc.
DS70000657H-page 365
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
bit 5
Unimplemented:
Read as ‘0’
bit 4
CREF:
Comparator Reference Select bit (V
IN
+ input)
1
= V
IN
+ input connects to internal CV
REFIN
voltage
0
= V
IN
+ input connects to C4IN1+ pin
bit 3-2
Unimplemented:
Read as ‘0’
bit 1-0
CCH<1:0>:
Comparator Channel Select bits
(
)
11
= V
IN
- input of comparator connects to OA3/AN6
10
= V
IN
- input of comparator connects to OA2/AN0
01
= V
IN
- input of comparator connects to OA1/AN3
00
= V
IN
- input of comparator connects to C4IN1-
REGISTER 25-3:
CM4CON: COMPARATOR 4 CONTROL REGISTER (CONTINUED)
Note 1:
Inputs that are selected and not available will be tied to V
SS
. See the
“Pin Diagrams”
section for available
inputs for each package.