PIC16F720-ESLASHML datasheet(81/244 Pages) MICROCHIP

81 / 244 page

 2010 Microchip Technology Inc.

DS41430A-page 81

PIC16F/LF720/721

9.2.7

ADC REGISTER DEFINITIONS

The following registers are used to control the

operation of the ADC.

ADCON0: A/D CONTROL REGISTER 0

U-0

R/W-0

—

CHS3

CHS2

CHS1

CHS0

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 7-6

Unimplemented: Read as ‘0’

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

1110

= Temperature Indicator(1)

1111

= Fixed Voltage Reference (FVREF)(2)

bit 1

GO/DONE: A/D Conversion Status bit

= 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.

= A/D conversion completed/not in progress

bit 0

ADON: ADC Enable bit

= ADC is enabled

= ADC is disabled and consumes no operating current

Note 1:

See Section 11.0 “Temperature Indicator Module” for more information.

See Section 10.0 “Fixed Voltage Reference” for more information.

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