HD6473032F16 Datasheet, PDF (267/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

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 Mar 21, 2006 page 237 of 814
REJ09B0302-0300