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Samsung S3C2410A Microphone User Manual

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S3C2410A DMA

8-5

Transfer Size

— There are two different transfer sizes; unit and Burst 4.

— DMA holds the bus firmly during the transfer of the chunk of data. Thus, other bus masters cannot get the bus.

Burst 4 Transfer Size

Four sequential Reads and Writes are performed respectively in the Burst 4 Transfer.

NOTE

Unit Transfer size: One read and one write are performed.

XSCLK

XnXDREQ

XnXDACK

Double synch

3 cycles

Read Read

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Read Read

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Write Write

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Write Write

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Figure 8-3. Burst 4 Transfer Size

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