Cirrus-logic CS42526 Manual de usuario descargar pdf (Pagina 60)

60 DS585F2

CS42526

6.15.2 ATAPI CHANNEL-MIXING AND MUTING (PX_ATAPIX)

Default = 01001

Function:

The CS42526 implements the channel-mixing functions of the ATAPI CD-ROM specification. The AT-

API functions are applied per A-B pair. Refer to Table 16 and Figure 8 for additional information.

ATAPI4 ATAPI3 ATAPI2 ATAPI1 ATAPI0 AOUTAx AOUTBx

00000 MUTE MUTE

00001 MUTE bR

00010 MUTE bL

00011 MUTE b[(L+R)/2]

00100 aR MUTE

00101 aR bR

00110 aR bL

00111 aR b[(L+R)/2]

01000 aL MUTE

01001 aL bR

01010 aL bL

01011 aL b[(L+R)/2]

01100 a[(L+R)/2] MUTE

0 1 1 0 1 a[(L+R)/2] bR

0 1 1 1 0 a[(L+R)/2] bL

0 1 1 1 1 a[(L+R)/2] b[(L+R)/2]

10000 MUTE MUTE

10001 MUTE bR

10010 MUTE bL

10011 MUTE [(aL+bR)/2]

10100 aR MUTE

10101 aR bR

10110 aR bL

10111 aR [(bL+aR)/2]

11000 aL MUTE

11001 aL bR

11010 aL bL

11011 aL [(aL+bR)/2]

1 1 1 0 0 [(aL+bR)/2] MUTE

1 1 1 0 1 [(aL+bR)/2] bR

1 1 1 1 0 [(bL+aR)/2] bL

1 1 1 1 1 [(aL+bR)/2] [(aL+bR)/2]

Table 16. ATAPI Decode

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 90 91

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Cirrus-logic CS42526 Manual de usuario Pagina 60