SSM2804CBZ-R7 datasheet(32/36 Pages) AD

32 / 36 page

SSM2804

Rev. 0 | Page 32 of 36

ALC CONTROL 3, ADDRESS 0x0C

Table 39. ALC Control 3 Register Bit Map

LCDBOOST

RCDBOOST

SOFTSTART

SOFTCLIPEN

NGEN

NGATE[1:0]

Table 40. ALC Control 3 Register Bit Descriptions

Bit Name

Description

Settings

LCDBOOST

Left channel Class-D gain boost

0 = 0 dB (default)

1 = +6 dB boost

RCDBOOST

Right channel Class-D gain boost

0 = 0 dB (default)

1 = +6 dB boost

SOFTSTART

Soft start enable

0 = soft start disabled (default)

1 = soft start enabled

SOFTCLIPEN

Soft clip enable

0 = soft clip disabled (default)

1 = soft clip enabled

NGEN

Noise gate enable

0 = noise gate disabled (default)

1 = noise gate enabled

NGATE[1:0]

Noise gate level

00 = 2 mV (default)

01 = 4 mV

10 = 8 mV

11 = 16 mV

POWER-DOWN CONTROL, ADDRESS 0x0D

Table 41. Power-Down Control Register Bit Map

PASSPDB

INCPDB

INBPDB

INAPDB

RCDPDB

LCDPDB

HPPDB

PWDB

Table 42. Power-Down Control Register Bit Descriptions

Bit Name

Description

Settings

PASSPDB

Passive switch power-down

0 = power down (default)

1 = power up

INCPDB

Input Channel C power-down

0 = power down (default)

1 = power up

INBPDB

Input Channel B power-down

0 = power down (default)

1 = power up

INAPDB

Input Channel A power-down

0 = power down (default)

1 = power up

RCDPDB

Class-D right channel power-down

0 = power down (default)

1 = power up

LCDPDB

Class-D left channel power-down

0 = power down (default)

1 = power up

HPPDB

Headphone power-down

0 = power down (default)

1 = power up

PWDB

System power-down

0 = power down (default)

1 = power up

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