PIC16F631/677/685/687/689/690
REGISTER 9-1:
ADCON0: A/D CONTROL REGISTER 0
R/W-0
ADFM
bit 7
R/W-0
VCFG
R/W-0
CHS3
R/W-0
CHS2
R/W-0
CHS1
R/W-0
CHS0
R/W-0
R/W-0
ADON
GO/DONE
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
bit 7
ADFM: A/D Conversion Result Format Select bit
1= Right justified
0= Left justified
bit 6
VCFG: Voltage Reference bit
1= VREF pin
0= VDD
bit 5-2
CHS<3:0>: Analog Channel Select bits
0000= AN0
0001= AN1
0010= AN2
0011= AN3
0100= AN4
0101= AN5
0110= AN6
0111= AN7
1000= AN8
1001= AN9
1010= AN10
1011= AN11
1100= CVREF
1101= 0.6V Reference
1110= Reserved. Do not use.
1111= Reserved. Do not use.
bit 1
bit 0
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
ADON: ADC Enable bit
1= ADC is enabled
0= ADC is disabled and consumes no operating current
© 2007 Microchip Technology Inc.
DS41262D-page 113
MICROCHIP [ MICROCHIP ]
