CHAPTER 11 A/D CONVERTER
User’s Manual U12688EJ4V0UM00
328
(b) Scan mode
Selects the analog inputs specified by the ADM0 register sequentially from the ANI0 pin, and A/D
conversion is executed. The A/D conversion results are stored in the ADCRn register corresponding to
the analog input. When the conversion of the specified analog input ends, the INTAD interrupt is
generated.
Figure 11-5. Scan Mode Operation Timing: 4-Channel Scan (ANI0 to ANI3)
ANI3
(input)
ANI0
(input)
ANI1
(input)
A/D
conversion
Data 1
(ANI0)
Data 2
(ANI1)
Data 3
(ANI2)
Data 4
(ANI3)
Data 5
(ANI0)
Data 6
(ANI0)
Data 7
(ANI1)
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 1
(ANI0)
ADCR0
Data 2
(ANI1)
ADCR1
Data 3
(ANI2)
ADCR2
Data 4
(ANI3)
ADCR3
Data 6
(ANI0)
ADCR0
Conversion start
(ADM0 register setting)
Conversion start
(ADM0 register setting)
ADCRn
register
ANI2
(input)
INTAD
interrupt
ANI0
ANI1
ANI2
ANI3
ANI4
ANI5
ANI6
ANI7
ADCR0
ADCR1
ADCR2
ADCR3
ADCR4
ADCR5
ADCR6
ADCR7
A/D converter
ADCRn register
Analog input
Содержание V850E/MS1 UPD703100
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