Cirrus-logic CS42526 Manuel d'utilisateur télécharger pdf (Page 49)

DS585F2 49

CS42526

6.5 Interface Formats (address 04h)

6.5.1 DIGITAL INTERFACE FORMAT (DIFX)

Default = 01

Function:

These bits select the digital interface format used for the CODEC Serial Port and Serial Audio Interface

Port when not in One-Line Mode. The required relationship between the Left/Right clock, serial clock,

and serial data is defined by the Digital Interface Format and the options are detailed in 11-12.

6.5.2 ADC ONE_LINE MODE (ADC_OLX)

Default = 00

Function:

These bits select which mode the ADC will use. By default, One-Line Mode is disabled, but it can be

selected using these bits. Please see Figures 13 and 14 to see the format of One-Line Mode 1 and

One-Line Mode 2.

6.5.3 DAC ONE_LINE MODE (DAC_OLX)

Default = 00

Function:

These bits select which mode the DAC will use. By default, One-Line Mode is disabled, but it can be

selected using these bits. Please see Figures 13 and 14 to see the format of One-Line Mode 1 and

One-Line Mode 2.

76543210

DIF1 DIF0 ADC_OL1 ADC_OL0 DAC_OL1 DAC_OL0 SAI_RJ16 CODEC_RJ16

DIF1 DIF0 Description Format Figure

Left-Justified, up to 24-bit data

0 11

I²S, up to 24-bit data

Right-Justified, 16-bit or 24-bit data

2 12

Reserved

Table 7. Digital Interface Formats

ADC_OL1 ADC_OL0 Description Format Figure

DIF: take the DIF setting from reg04h[7:6]

One-Line #1

One-Line #2

Reserved

Table 8. ADC One-Line Mode

DAC_OL1 DAC_OL0 Description Format Figure

DIF: take the DIF setting from reg04h[7:6]

One-Line #1

One-Line #2

Reserved

Table 9. DAC One-Line Mode

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 90 91

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Cirrus-logic CS42526 Manuel d'utilisateur Page 49

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