Datasheet

PIC24FJ64GA104 FAMILY
DS39951C-page 220  2010 Microchip Technology Inc.
FIGURE 21-1: 10-BIT HIGH-SPEED A/D CONVERTER BLOCK DIAGRAM
Comparator
10-Bit SAR Conversion Logic
VREF+
DAC
AN12
AN8
AN9
AN10
AN11
AN4
AN5
AN6
AN7
AN0
AN1
AN2
AN3
VREF-
Sample Control
S/H
AVSS
AVDD
ADC1BUF0:
ADC1BUFF
AD1CON1
AD1CON2
AD1CON3
AD1CHS0
AD1PCFGL
AD1PCFGH
Control Logic
Data Formatting
Input MUX Control
Conversion Control
Pin Config Control
Internal Data Bus
16
VR+VR-
MUX A
MUX B
VINH
VINL
VINH
VINH
VINL
VINL
VR+
V
R-
VR Select
VBG
AD1CSSL
AD1CSSH
VDDCORE
VBG/2