Adc Converts Multiple Times To Take Average Automatically - STC micro STC8A8K64D4 Series Reference Manual

STC8A8K64D4 Series Manual
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END

17.5.4 ADC converts multiple times to take average automatically

C language code
//Operating frequency for test is 11.0592MHz
#include "reg51.h"
#include "intrins.h"
sfr ADC_CONTR =
sfr ADC_RES =
sfr ADC_RESL =
sfr ADCCFG =
P0M0, #00H
P0M1, #00H
P1M0, #00H
P1M1, #00H
P2M0, #00H
P2M1, #00H
P3M0, #00H
P3M1, #00H
P4M0, #00H
P4M1, #00H
P5M0, #00H
P5M1, #00H
P1M0,#00H
P1M1,#01H
P_SW2,#80H
DPTR,#ADCTIM
A,#3FH
@DPTR,A
P_SW2,#00H
ADCCFG,#0FH
ADC_CONTR,#80H
ADC_CONTR,#40H
A,ADC_CONTR
ACC.5,$-2
ADC_CONTR,#NOT 20H
ADCCFG,#00H
A,ADC_RES
B,ADC_RESL ;B[7: 6] stores the lower 2 bits of the 10-bit ADC result, B [5: 0] is 0
ADCCFG,#20H
A,ADC_RES ;A [1: 0] stores the upper 2 bits of the 10-bit result of the ADC, and A [7: 2] is 0
B,ADC_RESL
$
0xbc;
0xbd;
0xbe;
0xde;
;Set P1.0 as ADC input
; Set ADC internal timing
;Set the ADC clock to the system clock/2/16
;Enable ADC module
;Start AD conversion
;Query ADC completion flag
;Clear completion flag
;Set result to align left
;A stores the upper 8 bits of the ADC
;Set result to align right
;B stores the lower 8 bits of the ADC's 10-bit result
' s 10-bit result
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