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Microchip Technology MA160014 Data Sheet

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PIC18(L)F2X/4XK22
DS41412F-page 304
 2010-2012 Microchip Technology Inc.
17.3
Register Definitions: ADC Control 
 
Note:
Analog pin control is determined by the
ANSELx registers (see 
REGISTER 17-1:
ADCON0: A/D CONTROL REGISTER 0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
—
CHS<4:0>
GO/DONE
ADON
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
Unimplemented: Read as ‘0’
bit 6-2
CHS<4:0>: Analog Channel Select bits
00000
 = AN0
00001
 = AN1
00010
 = AN2
00011
 = AN3
00100
 = AN4
00101
 = AN5
(1)
00110
 = AN6
(1)
00111
 = AN7
(1)
01000
 = AN8
01001
 = AN9
01010
 = AN10
01011
 = AN11
01100
 = AN12
01101
 = AN13
01110
 = AN14
01111
 = AN15
10000
 = AN16
10001
 = AN17
10010
 = AN18
10011
 = AN19
10100
 = AN20
(1)
10101
 = AN21
(1)
10110
 = AN22
(1)
10111
 = AN23
(1)
11000
 = AN24
(1)
11001
 = AN25
(1)
11010
 = AN26
(1)
11011
 = AN27
(1)
11100
 = Reserved
11101
 = CTMU
11110
 = DAC
11111
 = FVR BUF2 (1.024V/2.048V/2.096V Volt Fixed Voltage Reference)
(2)
bit 1
GO/DONE: A/D Conversion Status bit
1
 = A/D conversion cycle in progress. Setting this bit starts an A/D conversion cycle. 
      This bit is automatically cleared by hardware when the A/D conversion has completed.
0
 = A/D conversion completed/not in progress
bit 0
ADON: ADC Enable bit
1
 = ADC is enabled
0
 = ADC is disabled and consumes no operating current
Note
1:
Available on PIC18(L)F4XK22 devices only.
2:
Allow greater than 15
s acquisition time when measuring the Fixed Voltage Reference.