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Section 7 DMA Controller
7.4.13
Exiting Full Address Mode
Figure 7.23 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
Initialize DTCRB
Initialize DTCRA
Initialized and halted
Figure 7.23 Procedure for Exiting Full Address Mode (Example)
Rev. 4.00 Jan 26, 2006 page 260 of 938
REJ09B0276-0400
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.
1
2
3
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