HD6412350 Hitachi, HD6412350 Datasheet - Page 296

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

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.
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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]
[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.