CHAPTER 12 A/D CONVERTER
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User’s Manual U14359EJ4V0UM
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4-buffer mode
In this mode, one analog input is A/D converted four times and the results are stored in the ADCR0 to
ADCR3 registers. The A/D conversion end interrupt (INTAD) is generated when the four A/D
conversions end.
Figure 12-4. Select Mode Operation Timing: 4-Buffer Mode (ANI6)
ANI6
(input)
A/D
conversion
Data 1
(ANI6)
Data 2
(ANI6)
Data 3
(ANI6)
Data 4
(ANI6)
Data 5
(ANI6)
Data 6
(ANI6)
Data 7
(ANI6)
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 1
(ANI6)
ADCR0
Data 2
(ANI6)
ADCR1
Data 3
(ANI6)
ADCR2
Data 4
(ANI6)
ADCR3
Data 6
(ANI6)
ADCR0
ADCRn
register
INTAD
interrupt
Conversion start
(ADM0 register setting)
Conversion start
(ADM0 register setting)
ANI0
ANI1
ANI2
ANI3
ANI4
ANI5
ANI6
ANI7
ADCR0
ADCR1
ADCR2
ADCR3
ADCR4
ADCR5
ADCR6
ADCR7
A/D converter
ADCRn register
Analog input