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PIC16F818-E/ML Datasheet(PDF) 84 Page - Microchip Technology

Part # PIC16F818-E/ML
Description  18/20-Pin Enhanced Flash Microcontrollers with nanoWatt Technology
PDF  176 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F818-E/ML Datasheet(HTML) 84 Page - Microchip Technology

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PIC16F818/819
DS39598D-page 82
 2003 Microchip Technology Inc.
REGISTER 11-2:
ADCON1: A/D CONTROL REGISTER 1 (ADDRESS 9Fh)
R/W-0
R/W-0
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
ADFM
ADCS2
—
—
PCFG3
PCFG2
PCFG1
PCFG0
bit 7
bit 0
bit 7
ADFM: A/D Result Format Select bit
1
= Right justified, 6 Most Significant bits of ADRESH are read as ‘0’
0
= Left justified, 6 Least Significant bits of ADRESL are read as ‘0’
bit 6
ADCS2: A/D Clock Divide by 2 Select bit
1
= A/D clock source is divided by 2 when system clock is used
0
= Disabled
bit 5-4
Unimplemented: Read as ‘0’
bit 3-0
PCFG<3:0>: A/D Port Configuration Control bits
A = Analog input
D = Digital I/O
C/R = Number of analog input channels/Number of A/D voltage references
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
PCFG
AN4
AN3
AN2
AN1
AN0
VREF+VREF-C/R
0000
AA
A
A
A
AVDD
AVSS
5/0
0001
AVREF+
AA
A
AN3
AVSS
4/1
0010
AA
A
A
A
AVDD
AVSS
5/0
0011
AVREF+
AA
A
AN3
AVSS
4/1
0100
DA
D
A
A
AVDD
AVSS
3/0
0101
DVREF+
DA
A
AN3
AVSS
2/1
011x
DD
D
D
D
AVDD
AVSS
0/0
1000
AVREF+
VREF-
AA
AN3
AN2
3/2
1001
AA
A
A
A
AVDD
AVSS
5/0
1010
AVREF+
AA
A
AN3
AVSS
4/1
1011
AVREF+
VREF-
AA
AN3
AN2
3/2
1100
AVREF+
VREF-
AA
AN3
AN2
3/2
1101
DVREF+
VREF-
AA
AN3
AN2
2/2
1110
DD
D
D
A
AVDD
AVSS
1/0
1111
DVREF+
VREF-
DAAN3
AN2
1/2



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