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18.6.1
Conversion using EI
The 8/10-bit A/D converter can use EI
■ Conversion Using EI
Figure 18.6-3 shows the sample operation flowchart when EI
Figure 18.6-3 Sample Operation Flowchart when EI
Start A/D conversion
Sample and hold
End conversion
Generate an interrupt
*: The number of times is determined by an EI
When EI
even in continuous conversion. Multiple data items can be safely transferred to memory.
2
2
OS
Conversion
2
OS setting.
2
OS is used, the conversion data protection function prevents any part of the data from being lost
CHAPTER 18 8/10-BIT A/D CONVERTER
2
OS
OS transfer the A/D conversion result to memory.
2
EI
2
OS started
Transfer dat a
Has the
data transfer been
repeated for the specified
number of times?
(*)
NO
Interrupt cleared
OS is used.
2
OS is Used.
YES
Interrupt processing
297
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