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| PIC24FJ128GA310-I Datasheet, PDF (296/406 Pages) Microchip Technology – 64/80/100-Pin, General Purpose, 16-Bit Flash Microcontrollers with LCD Controller and nanoWatt XLP Technology | |||
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PIC24FJ128GA310 FAMILY
FIGURE 24-1:
12-BIT A/D CONVERTER BLOCK DIAGRAM (PIC24FJ128GA310 FAMILY)
AVDD
AVSS
VREF+
VREF-
VBG
AN0
AN1
AN2
AN14
AN15
AN16(1)
AN21(1)
AN22(1)
AN23(1)
VBG
VBG/2
VBG/6
VBAT/2
AVDD
AVSS
CTMU
Internal Data Bus
VR+
16
VR-
VINH
VINL S/H
VR- VR+
DAC
Comparator
12-Bit SAR
Conversion Logic
VINH
Data Formatting
Extended DMA data
VINL
VINH
VINL
ADC1BUF0:
ADC1BUF25(2)
AD1CON1
AD1CON2
AD1CON3
AD1CON4
AD1CON5
AD1CHS
AD1CHITL
AD1CHITH
AD1CSSL
AD1CSSH
AD1DMBUF
Sample Control Control Logic
Conversion Control
16
Input MUX Control
DMA Data Bus
Note 1: AN16 through AN23 are implemented on 100-pin devices only.
2: A/D result buffers are numbered in hexadecimal; ADC1BUF0 through ADC1BUF19 represent Buffers 1 through 26.
DS39996F-page 296
ï£ 2010-2011 Microchip Technology Inc.
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