Fujitsu MB90480 Series Hardware Manual page 399

Operation flow of conversion data protection function (when μDMAC is used)
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Figure 17.6-1 shows the operation flow of the conversion data protection function.
Figure 17.6-1 Operation flow of conversion data protection function
μDMAC setting
Start of continuous A/D conversion
First conversion finished
Store the result in the data register
Second conversion finished
NO
End of μDMAC
YES
Store the result in the data register
Third conversion finished
Continued
All conversions finished
End
CHAPTER 17 8/10-BIT A/D CONVERTER
μ
(when DMAC is used)
The operation flow for the case in which
the A/D converter is not running is omitted.
*: Conversion data will be lost if conversion
is restarted during a temporary stop.
A/D converter pause*
YES
Interrupt routine
μDMAC start
NO
μDMAC ends
μDMAC starts
μDMAC starts
A/D converter stop
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