Cirrus-logic CS42L51 Bedienungsanleitung PDF herunterladen (Seite 52)

52 DS679F1

CS42L51

6.4 Interface Control (Address 04h)

SDOUT to SDIN Loopback (SDOUT->SDIN)

Default: 0

0 - Disabled; SDOUT internally disconnected from SDIN

1 - Enabled; SDOUT internally connected to SDIN

Function:

Internally loops the signal on the SDOUT pin to SDIN.

Master/Slave Mode (M/S)

Default: 0

0 - Slave

1 - Master

Function:

Selects either master or slave operation for the serial port.

DAC Digital Interface Format (DAC_DIF[2:0])

Default = 000

Function:

Selects the digital interface format used for the data in on SDIN. 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 the section “Digital Interface Formats” on page 40.

76543210

SDOUT->SDIN M/S

DAC_DIF2 DAC_DIF1 DAC_DIF0 ADC_I²S/LJ DIGMIX MICMIX

DAC_DIF[2:0] Description Figure

000 Left-Justified, up to 24-bit data 20 on page 41

001 I²S, up to 24-bit data 19 on page 40

010 Right-Justified, 24-bit data 21 on page 41

011 Right-Justified, 20-bit data 21 on page 41

100 Right-Justified, 18-bit data 21 on page 41

101 Right-Justified, 16-bit data 21 on page 41

110 Reserved -

100 Reserved -

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