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SH79F166AP/044PR 데이터시트(PDF) 87 Page - SINOWEALTH Electronic Ltd

부품명 SH79F166AP/044PR
상세설명  Enhanced 8051 Microcontroller with 10bit ADC
PDF  113 Pages
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제조업체  SINOWEALTH [SINOWEALTH Electronic Ltd]
홈페이지  https://en.sinowealth.com
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SH79F166AP/044PR 데이터시트(HTML) 87 Page - SINOWEALTH Electronic Ltd

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SH79F166A
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8.5.3 ADC Register
Table 8.26 ADC Control Register
93H, Bank0
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
ADCON
ADON
ADCIF
EC
REFC
SCH2
SCH1
SCH0
GO/DONE
—---—-----—
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
(POR/WDT/LVR/PIN)
0
0
0
0
0
0
0
0
Bit Number
Bit Mnemonic
Description
7
ADON
ADC Enable bit
0: Disable the ADC module
1: Enable the ADC module
6
ADCIF
ADC Interrupt Flag bit
0: No ADC interrupt, cleared by software.
1: Set by hardware to indicate that the AD Convert has been completed, or analog
input is larger than ADDH/ADDL if compare is enabled
5
EC
Compare Function Enable bit
0: Compare function disabled
1: Compare function enabled
4
REFC
Reference Voltage Select bit
0: the reference voltage connected to VDD
1: the reference voltage input from VREF pin
3-1
SCH[2:0]
ADC channel Select bits
000: ADC channel AN0
001: ADC channel AN1
010: ADC channel AN2
011: ADC channel AN3
100: ADC channel AN4
101: ADC channel AN5
110: ADC channel AN6
111: ADC channel AN7
0
GO/DONE
—---—------—
ADC status flag bit
0: Automatically cleared by hardware when AD convert is completed. Clearing this
bit during converting time will stop current conversion. If Compare function is
enabled, this bit will not be cleared by hardware until software clear.
1: Set to start AD convert or digital compare.
Notes:
When select the reference voltage input from VREF pin (REFC = 1), the P4.4 is shared as VREF input rather than AN3 input.



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