Datasheet

dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610
DS70591E-page 312  2009-2012 Microchip Technology Inc.
FIGURE 22-2: ADC BLOCK DIAGRAM FOR dsPIC33FJ32GS606 AND dsPIC33FJ64GS606
DEVICES WITH TWO SARS
Even Numbered Inputs with Dedicated
Even Numbered Inputs
Data
Format
SAR
Core
Seven
Registers
16-Bit
Sample and Hold (S&H) Circuits
Bus Interface
AN0
AN8
AN24
(1)
AN5
AN10
AN2
AN4
AN6
AN12
AN1
AN3
(EXTREF)
AN14
AN9
AN11
AN13
AN15
AN25
(2)
(INTREF)
Data
Format
SAR
Core
Seven
Registers
16-Bit
with Shared S&H
Odd Numbered Inputs
with Shared S&H
Note 1: AN24 (EXTREF) is an internal analog input. To measure the voltage at AN24 (EXTREF), an analog comparator must be enabled
and EXTREF must be selected as the comparator reference.
2: AN25 (INTREF) is an internal analog input and is not available on a pin.