Motorola Espresso Maker MC68340 ユーザーズマニュアル

MOTOROLA

6- 45

* Source address is equal to $6001, and odd address.

MOVE.L

SARADD,DMASAR1(A0)

* Initialize destination operand address
* Destination address is equal to $10000, and even address.

MOVE.L

DARADD,DMADAR1(A0)

* Initialize the byte transfer count register
* The number of bytes to be transferred is $14 or 20 bytes

MOVE.L

NUMBYTE,DMABTC1(A0)

* Channel control reg. init. and Start DMA transfers
* No interrupts are enabled, source (read) cycle.
* Increment the source and destination addresses.
* Source size is byte, destination size is word. REQ is external cycle steal.
* dual-address transfers, start the DMA transfers.

MOVE.W

#$1DB1,DMACCR1(A0)

***************************************************************************

END

***************************************************************************

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Freescale Semiconductor, Inc.

For More Information On This Product,

   Go to: www.freescale.com

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