Conclusion – Cirrus Logic AN199 User Manual

Page 5

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AN199Rev1



AN199

Conclusion

With the DAI initialization and the FIQ handler routines written correctly, you will achieve an interrupt rate that
will improve the overall performance of the player code. The decoded information will also be shifted to the
CODEC without losing information.

Our reference code, available under NDA, includes a complete initialization routine and interrupt handler which
follows the method described above. This reference code can be used as a template for constructing routines.

Hardware interface examples for both processors are also available. Please contact

[email protected]

for

more information.

MCLK Generation for the

EP7xxx Family

7212

DAC

Xtal(EXTCLK)

MCLK

7312

DAC

Xtal(EXTCLK)

MCLK

BUZ

MCLK