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Description

      • 1.2.8

        CN004, CN005 PCM Audio Interface Clock Output CN004 and CN005 are PCM audio interface clock outputs (System Clock, LRCK, BCK, and DATA). CN004 is a buffered output with a mounted logic buffer IC. CN005 is a direct output from DIR9001. Caution: Pins on the right side are GND.

        • SCKO : System Clock (128/256/384/512fs)

        • BCKO : PCM audio, BCK clock (64fs)

        • LRCKO : PCM audio, LRCK clock (fs)

        • DOUT : PCM audio, DATA clock

CN004 CN005

SCKO BCKO LRCKO DOUT

1.2.9

External Clock Input

The external clock can be connected at CN002 (not mounted) by removing the mounted XTAL. This alows the user to confirm operation of the DIR9001 by another clock source.

4

DIR9001 Evaluation Board

SLAU225–July 2007 Submit Documentation Feedback

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