r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 413
r4f2456
Manufacturer Part Number
r4f2456
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2456.pdf
(1376 pages)
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7.5.15
If the DTE bit in DMABCRL is cleared to 0 for the channel currently operating, the DMAC stops
on completion of the 1-byte or 1-word transfer in progress. DMAC operation resumes when the
DTE bit is set to 1 again. In full address mode, the same applies to the DTME bit in DMABCRL.
Figure 7.36 shows the procedure for forcibly terminating DMAC operation by software.
Figure 7.36 Example of Procedure for Forcibly Terminating DMAC Operation
Forced termination
Forced termination
Clear DTE bit to 0
Forced Termination of DMAC Operation
of DMAC
[1]
[1] Clear the DTE bit in DMABCRL to 0.
To prevent interrupt generation after forced
termination of DMAC operation, clear the DTIE bit
to 0 at the same time.
Rev. 1.00 Sep. 19, 2008 Page 383 of 1342
Section 7 DMA Controller (DMAC)
REJ09B0467-0100
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