Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 651

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With enabled SPI:

buffer can be cleared.

2. Clear the

abling the SPI. This can be done by ORing 0xC0000 with the

present value in the

3. Clear the

4. Clear all errors by writing to the W1C-type bits in the

ister. This ensures that no interrupts occur due to errors from a

previous DMA operation.

5. Reconfigure the

6. Configure DMA by writing to the DMA parameter registers and

Switching From Receive to a New DMA

Use the following sequence to switch from receive to transmit DMA. Note

only address information.

With disabled SPI:

be disabled.

2. Clear the

also clears the

ADSP-214xx SHARC Processor Hardware Reference

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buffers and the buffer status without dis-

bits to clear

registers using the

are registers but they may not contain any bits,

registers to disable the SPI. Disabling the SPI

Serial Peripheral Interface Ports

bit (bit 0).

and the buf-

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