Microchip Technology MA330020 Data Sheet
2008-2014 Microchip Technology Inc.
DS70000318G-page 245
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
FIGURE 19-6:
ADC BLOCK DIAGRAM FOR dsPIC33FJ16GS504 DEVICES WITH TWO SARS
AN12
(1)
AN13
(2)
Even Numbered Inputs with Dedicated
Odd Numbered Inputs
with Shared S&H
Even Numbered Inputs
with Shared S&H
with Shared S&H
Da
ta
Fo
rm
a
t
SAR
Core
Seven
Registers
16-Bit
SAR
Core
Sample-and-Hold (S&H) Circuits
Bu
s
I
n
te
rf
a
c
e
AN0
AN2
AN6
AN1
AN3
AN8
AN10
Da
ta
Fo
rm
a
t
Seven
Registers
16-Bit
AN4
AN5
AN7
AN9
AN11
(INTREF)
(EXTREF)
Note 1:
AN12 (EXTREF) is an internal analog input. To measure the voltage at AN12 (EXTREF), an analog comparator must be enabled
and EXTREF must be selected as the comparator reference.
and EXTREF must be selected as the comparator reference.
2:
AN13 (INTREF) is an internal analog input and is not available on a pin.