Cirrus-logic CS42516 Manuel d'utilisateur télécharger pdf (Page 62)

62 DS583F2

CS42516

6.18.2 DE-EMPHASIS SELECT BITS (DE-EMPHX)

Default = 00

00 - Reserved

01 - De-Emphasis for 32 kHz sample rate.

10 - De-Emphasis for 44.1 kHz sample rate.

11 - De-Emphasis for 48 kHz sample rate.

Function:

Used to specify which de-emphasis filter to apply when the “Force PLL Lock (FRC_PLL_LK)” on

page 53 is enabled.

6.18.3 INTERRUPT PIN CONTROL (INTX)

Default = 00

00 - Active high; high output indicates interrupt condition has occurred

01 - Active low; low output indicates an interrupt condition has occurred

10 - Open drain, active low. Requires an external pull-up resistor on the INT pin.

11 - Reserved

Function:

Determines how the interrupt pin (INT) will indicate an interrupt condition.

6.18.4 AUDIO SAMPLE HOLD (HOLDX)

Default = 00

00 - Hold the last valid audio sample

01 - Replace the current audio sample with 00 (mute)

10 - Do not change the received audio sample

11 - Reserved

Function:

Determines how received audio samples are affected when a receiver error occurs.

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Cirrus-logic CS42516 Manuel d'utilisateur Page 62