HD64F3048VTF8 Datasheet, PDF (279/903 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip

Section 8 DMA Controller
8.4.13 Exiting Full Address Mode
Figure 8.23 shows the procedure for exiting full address mode and initializing the pair of channels.
To set the channels up in another mode after exiting full address mode, follow the setup procedure
for the relevant mode.
Exiting full address mode
Halt the channel
1
1. Clear the DTE bit to 0 in DTCRA, or wait
for the transfer to end and the DTE bit
to be cleared to 0.
2. Clear all DTCRB bits to 0.
3. Clear all DTCRA bits to 0.
Initialize DTCRB
2
Initialize DTCRA
3
Initialized and halted
Figure 8.23 Procedure for Exiting Full Address Mode (Example)
Rev. 3.00 Sep 27, 2006 page 251 of 872
REJ09B0325-0300