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CHAPTER 20 8/10-BIT A/D CONVERTER
20.6.1
Conversion using EI
The 8/10-bit A/D converter can use EI
■ Conversion using EI
Figure 20.6-4 shows the operation flow when EI
Figure 20.6-4 Sample Operation Flowchart when EI
Starting A/D conversion
Sample and hold
Conversion
End of conversion
Issuing interrupt
* : The number of timers is determined according to the EI
When EI
even in continuous conversion. Multiple data items can be safely transferred to memory.
560
2
2
OS
2
OS is used, the conversion data protection function prevents any part of the data from being lost
2
OS
OS transfer the A/D conversion result to memory.
2
OS is used.
2
Starting EI
OS
Transferring data
Has the
data transfer been
repeated for the specified
number of time?
NO
Clearing interrupt
2
OS setting.
2
OS is used
YES
Interrupt processing
*
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