Datasheet

dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
DS70318F-page 242 © 2008-2012 Microchip Technology Inc.
FIGURE 19-5: ADC BLOCK DIAGRAM FOR dsPIC33FJ16GS502 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
Data
Format
SAR
Core
Five
Registers
16-bit
SAR
Core
Sample and Hold (S&H) Circuits
Bus Interface
AN0
AN2
AN6
AN1
AN3
Data
Format
Five
Registers
16-bit
AN4
AN5
AN7
(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.
2: AN13 (INTREF) is an internal analog input and is not available on a pin.