HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 333

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

7.5.17
Figure 7.38 shows the procedure for releasing and initializing a channel designated for full address
mode. After full address mode has been cleared, the channel can be set to another transfer mode
using the appropriate setting procedure.
Clearing Full Address Mode
Clear FAE bit to 0
Stop the channel
Initialize DMACR
operation halted
address mode
Initialization;
Figure 7.38 Example of Procedure for Clearing Full Address Mode
Clearing full
[1]
[2]
[3]
Section 7 DMA Controller (Not Supported in the H8S/2321)
[1] Clear both the DTE bit and the DTME bit in
[2] Clear all bits in DMACRA and DMACRB to 0.
[3] Clear the FAE bit in DMABCRH to 0.
DMABCRL to 0; or wait until the transfer ends
and the DTE bit is cleared to 0, then clear the
DTME bit to 0.
Also clear the corresponding DTIE bit to 0 at the
same time.
Rev.6.00 Sep. 27, 2007 Page 303 of 1268
REJ09B0220-0600