Conversion Using Dma - Fujitsu MB96300 series Hardware Manual

MB96300 Super Series Hardware Manual
18.4

Conversion using DMA

Figure 18.4-1 gives an example of flow for the activation of A/D conversion to the transfer
of converted data in continous mode.
■ Conversion using DMA
Figure 18.4-1 Example of flow for the activation of A/D conversion to the transfer of converted data in
A/D converter
A/D converter activated
Sample & Hold
Conversion
Conversion ended
ADCS:INT=0?
Store conversion data
continous mode.
N
Y
to ADCR
Interrupt
generated
DMA controller
Data transfer
DMA
request
*
interrupt cleared
INT clear
request
*: The operation count depends
on the setting of the DMA.
CHAPTER 18 A/D CONVERTER
Interrupt
processing
453