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PIC16F684 датащи(PDF) 71 Page - Microchip Technology

номер детали PIC16F684
подробное описание детали  14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology
PDF  192 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F684 датащи(HTML) 71 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS41202F-page 69
PIC16F684
EXAMPLE 9-1:
A/D CONVERSION
;This code block configures the ADC
;for polling, Vdd reference, Frc clock
;and AN0 input.
;
;Conversion start & polling for completion
; are included.
;
BANKSEL
ADCON1
;
MOVLW
B’01110000’
;ADC Frc clock
MOVWF
ADCON1
;
BANKSEL
TRISA
;
BSF
TRISA,0
;Set RA0 to input
BANKSEL
ANSEL
;
BSF
ANSEL,0
;Set RA0 to analog
BANKSEL
ADCON0
;
MOVLW
B’10000001’
;Right justify,
MOVWF
ADCON0
; Vdd Vref, AN0, On
CALL
SampleTime
;Acquisiton delay
BSF
ADCON0,GO
;Start conversion
BTFSC
ADCON0,GO
;Is conversion done?
GOTO
$-1
;No, test again
BANKSEL
ADRESH
;
MOVF
ADRESH,W
;Read upper 2 bits
MOVWF
RESULTHI
;store in GPR space
BANKSEL
ADRESL
;
MOVF
ADRESL,W
;Read lower 8 bits
MOVWF
RESULTLO
;Store in GPR space



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