STA350B datasheet(54/94 Pages) STMICROELECTRONICS

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8.6.2

Invalid input detect mute enable

Setting the IDE bit enables this function, which looks at the input I2S data and automatically

mutes if the signals are perceived as invalid.

8.6.3

Binary output mode clock loss detection

The BCLE bit detects loss of input MCLK in binary mode and outputs 50% duty cycle.

8.6.4

LRCK double trigger protection

The LDTE bit actively prevents double triggering of the LRCLK.

8.6.5

Auto EAPD on clock loss

When active, the ECLE bit issues a power device power-down signal (EAPD) on clock loss

detection.

8.6.6

IC power-down

The PWDN register is used to place the IC in a low-power state. When PWDN is written

as 0, the output begins a soft-mute. After the mute condition is reached, EAPD is asserted

Table 45. Invalid input detect mute enable

Bit

R/W

RST

Name

Description

R/W

IDE

Setting of 1 enables the automatic invalid input detect mute

Table 46. Binary output mode clock loss detection

Bit

R/W

RST

Name

Description

R/W

BCLE

Binary output mode clock loss detection enable

Table 47. LRCK double trigger protection

Bit

R/W

RST

Name

Description

R/W

LDTE

LRCLK double trigger protection enable

Table 48. Auto EAPD on clock loss

Bit

R/W

RST

Name

Description

R/W

ECLE

Auto EAPD on clock loss

Table 49. IC power-down

Bit

R/W

RST

Name

Description

7R/W

PWDN

0: IC power-down low-power condition

1: IC normal operation

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