PIC32MX440F256H-80I Datasheet, PDF (492/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
FIGURE 22-1:
10-BIT HIGH-SPEED A/D CONVERTER BLOCK DIAGRAM
AVDD
AVSS
VREF+
VREF-
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
AN10
AN11
AN12
AN13
AN14
AN15
Internal Data Bus
VR+
32
VR-
Comparator
VINH ₊
VR- VR+
VINL
SHA
-
DAC
VINH
+
10-bit SAR
Conversion Logic
CH0NA
–
VINL
ADC1BUF0:
ADC1BUFF
+
VINH
–
VINL
AD1CON1
AD1CON2
AD1CON3
AD1CHS
AD1PCFG
AD1CSSL
CH0NB
Sample Control _{Control Logic}
Pin Config Control
Input MUX Control
Data
Formatting
Conversion Control
DS61143E-page 490
Preliminary
© 2008 Microchip Technology Inc.