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PIC18F4520E/MLQTP Datasheet(PDF) 227 Page - Microchip Technology

Part # PIC18F4520E/MLQTP
Description  28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PDF  390 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4520E/MLQTP Datasheet(HTML) 227 Page - Microchip Technology

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 2004 Microchip Technology Inc.
Preliminary
DS39631A-page 225
PIC18F2420/2520/4420/4520
REGISTER 19-3:
ADCON2 REGISTER
R/W-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
ADFM
—
ACQT2
ACQT1
ACQT0
ADCS2
ADCS1
ADCS0
bit 7
bit 0
bit 7
ADFM: A/D Result Format Select bit
1
= Right justified
0
= Left justified
bit 6
Unimplemented: Read as ‘0’
bit 5-3
ACQT2:ACQT0: A/D Acquisition Time Select bits
111
= 20 TAD
110
= 16 TAD
101
= 12 TAD
100
= 8 TAD
011
= 6 TAD
010
= 4 TAD
001
= 2 TAD
000
= 0 TAD(1)
bit 2-0
ADCS2:ADCS0: A/D Conversion Clock Select bits
111
= FRC (clock derived from A/D RC oscillator)(1)
110
= FOSC/64
101
= FOSC/16
100
= FOSC/4
011
= FRC (clock derived from A/D RC oscillator)(1)
010
= FOSC/32
001
= FOSC/8
000
= FOSC/2
Note 1: If the A/D FRC clock source is selected, a delay of one TCY (instruction cycle) is
added before the A/D clock starts. This allows the SLEEP instruction to be executed
before starting a conversion.
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown



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