Microchip Technology MA330018 Data Sheet
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
DS70291G-page 282
© 2007-2012 Microchip Technology Inc.
FIGURE 22-1:
ADC MODULE BLOCK DIAGRAM FOR dsPIC33FJ32MC304,
dsPIC33FJ64MC204/804 AND dsPIC33FJ128MC204/804 DEVICES
dsPIC33FJ64MC204/804 AND dsPIC33FJ128MC204/804 DEVICES
SAR ADC
S/H0
S/H1
ADC1BUF0
AN0
AN8
AN1
V
REFL
CH0SB<4:0>
CH0NA CH0NB
+
-
AN0
AN3
CH123SA
V
REFL
CH123SB
CH123NA CH123NB
AN6
+
-
S/H2
AN1
AN4
CH123SA
V
REFL
CH123SB
CH123NA CH123NB
AN7
+
-
S/H3
AN2
AN5
CH123SA
V
REFL
CH123SB
CH123NA CH123NB
AN8
+
-
CH1
(2)
CH0
CH2
(2)
CH3
(2)
CH0SA<4:0>
CHANNEL
SCAN
CSCNA
Alternate
Note
1:
V
REF
+, V
REF
- inputs can be multiplexed with other analog inputs.
2:
Channels 1, 2 and 3 are not applicable for the 12-bit mode of operation.
Input Selection
V
REFH
V
REFL
AV
DD
AV
SS
V
REF
-
(1)
V
REF
+
(1)
VCFG<2:0>