HD6432351 datasheet(317/1025 Pages) RENESAS

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HD6432351 데이터시트(PDF) 317 Page - Renesas Technology Corp

부품명	HD6432351

상세설명	16-Bit Single-Chip Microcomputer

PDF	1025 Pages

Scroll/Zoom	100%

제조업체	RENESAS [Renesas Technology Corp]

홈페이지	http://www.renesas.com

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317 / 1025 page

Section 7 DMA Controller (DMAC)

Rev. 3.00 Sep 15, 2006 page 283 of 988

REJ09B0330-0300

7.5.17

Clearing Full Address Mode

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

Stop the channel

Initialize DMACR

Clear FAE bit to 0

Initialization;

operation halted

[1]

[2]

[3]

[1] Clear both the DTE bit and the DTME bit in

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.

[2] Clear all bits in DMACRA and DMACRB to 0.

[3] Clear the FAE bit in DMABCRH to 0.

Figure 7.38 Example of Procedure for Clearing Full Address Mode

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