HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 420

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 7 DMA Controller (DMAC)
7.5.16
Figure 7.37 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.
Rev.7.00 Mar. 18, 2009 page 352 of 1136
REJ09B0109-0700
Clearing Full Address Mode
Clear FAE bit to 0
Stop the channel
Initialize DMACR
operation halted
address mode
Initialization;
Clearing full
Figure 7.37 Example of Procedure for Clearing Full Address Mode
[1]
[2]
[3]
[1] Clear both the DTE bit and 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.