HD64F38602R Datasheet, PDF (388/552 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 17 A/D Converter
Start
Set A/D conversion speed and input channel
Disable A/D conversion end interrupt
Start A/D conversion
Read ADSR
No
ADSF = 0?
Yes
Read ADRR data
Yes
Perform A/D conversion?
No
End
Figure 17.4 Flowchart of Procedure for Using A/D Converter (Polling by Software)
Start
Set A/D conversion speed and input channel
Enable A/D conversion end interrupt
Start A/D conversion
A/D conversion end
interrupt generated?
No
Yes
Yes
Clear IRRAD bit in IRR2 to 0
Read ADRR data
Perform A/D conversion?
No
End
Figure 17.5 Flowchart of Procedure for Using A/D Converter (Interrupts Used)
Rev. 3.00 May 15, 2007 Page 356 of 516
REJ09B0152-0300