CS4924 Просмотр технического описания (PDF) - Cirrus Logic

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CS4924

Multi-Channel Digital Audio Decoders

Cirrus Logic 

CS4923/4/5/6/7/8/9

guides to determine which modes are supported by

the download code being used.

Serial digital audio data bit placement and sample

alignment is fully configurable in the

CS4923/4/5/6/7/8/9 including left justified, right

justified, delay bits or no delay bits, variable

sample word sizes, variable output channel count,

and programmable output channel pin assignments

and clock edge polarity to integrate with most

digital audio interfaces. If a mode is needed which

is not supported, please consult your Crystal

Representative as to its availability.

7.5.1 IEC60958 Output

The XMT958 output provides a CMOS level bi

phase encoded output. The XMT958 function can

be internally clocked from the PLL or from an

MCLK input if MCLK is 256Fs or 512Fs. All

channel status information can be used when using

software which supports this functionality. This

output can be used for either 2 channel PCM output

or compressed data output in accordance with

IEC61937. To be fully IEC60958 compliant this

output would need to be buffered through an

RS422 device or an optocoupler as its outputs are

only CMOS. Please consult the

CS4923/4/5/6/7/8/9 Hardware User’s Guide and an

application code user’s guide to determine if this

pin is supported by the download code being used.

48

DS262F2

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