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PIC18F4685-I/SP Datasheet(PDF) 250 Page - Microchip Technology

Part # PIC18F4685-I/SP
Description  28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
PDF  484 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4685-I/SP Datasheet(HTML) 250 Page - Microchip Technology

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PIC18F2682/2685/4682/4685
DS39761B-page 248
Preliminary
© 2007 Microchip Technology Inc.
REGISTER 19-2:
ADCON1: A/D CONTROL REGISTER 1
U-0
U-0
R/W-0
R/W-0
R/W-0(1)
R/W-q(1)
R/W-q(1)
R/W-q(1)
—
—
VCFG1
VCFG0
PCFG3
PCFG2
PCFG1
PCFG0
bit 7
bit 0
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
bit 7-6
Unimplemented: Read as ‘0’
bit 5
VCFG1: Voltage Reference Configuration bit (VREF- source)
1
= VREF- (AN2)
0
= AVSS
bit 4
VCFG0: Voltage Reference Configuration bit (VREF+ source)
1
= VREF+ (AN3)
0
= AVDD
bit 3-0
PCFG3:PCFG0: A/D Port Configuration Control bits:
Note 1:
The POR value of the PCFG bits depends on the value of the PBADEN bit in Configuration Register 3H.
When PBADEN = 1, PCFG<3:0> = 0000; when PBADEN = 0, PCFG<3:0> = 0111.
2:
AN5 through AN7 are available only on PIC18F4682/4685 devices.
A = Analog input
D = Digital I/O
PCFG3:
PCFG0
0000(1)
A
A
AAAAA
A
A
A
A
0001
A
A
AAAAA
A
A
A
A
0010
A
A
AAAAA
A
A
A
A
0011
A
A
AAAAA
A
A
A
A
0100
A
A
AAAAA
A
A
A
A
0101
D
A
AAAAA
A
A
A
A
0110
D
D
AAAAA
A
A
A
A
0111(1)
D
D
D
AAAA
A
A
A
A
1000
D
DDD
A
A
A
A
A
A
A
1001
D
DDDD
A
A
A
A
A
A
1010
D
DDDDD
A
A
A
A
A
1011
D
DDDDDD
A
A
A
A
1100
D
DDDDDD
D
A
A
A
1101
D
DDDDDD
D
D
A
A
1110
D
DDDDDD
D
D
D
A
1111
D
DDDDDD
D
D
D
D



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