Datasheet

© 2007-2012 Microchip Technology Inc. DS70293G-page 229
PIC24HJ32GP302/304, PIC24HJ64GPX02/X04 AND PIC24HJ128GPX02/X04
FIGURE 20-2: ADC1 MODULE BLOCK DIAGRAM FOR PIC24HJ32GP302, PIC24HJ64GP202/502
AND PIC24HJ128GP202/502 DEVICES
SAR ADC
S/H0
S/H1
ADC1BUF0
AN0
AN12
AN1
VREFL
CH0SB<4:0>
CH0NA
CH0NB
+
-
AN0
AN3
CH123SA
AN9
VREFL
CH123SB
CH123NA
CH123NB
+
-
S/H2
AN1
AN4
CH123SA
AN10
VREFL
CH123SB
CH123NA
CH123NB
+
-
S/H3
AN2
AN5
CH123SA
AN11
VREFL
CH123SB
CH123NA
CH123NB
+
-
CH1
(2)
CH0
CH2
(2)
CH3
(2)
CH0SA<4:0>
CHANNEL
SCAN
CSCNA
Alternate
Note 1:VREF+, VREF- 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
VREFL
AVDD
AVSS
VREF-
(1)
VREF+
(1)
VCFG<2:0>