STA321MPL datasheet(27/50 Pages) STMICROELECTRONICS

27 / 50 page

STA321MP

Registers

Doc ID 022647 Rev 1

27/50

7.2.6

Configuration register H (0x07)

The ZCE bit enables zero-crossing volume adjustments. When volume is adjusted on digital

zero-crossings, no clicks will be audible.

Setting the ZDE bit enables the zero-detect automatic mute. The zero-detect circuit looks at

the input data to each processing channel after the channel-mapping block. If any channel

receives 2048 consecutive zero value samples (regardless of fs), then that individual

channel is muted if this function is enabled.

Bit

RST

Name

Description

DCCV

Distortion compensation variable enable

0: uses preset DC coefficient

1: uses DCC coefficient

Bit

RST

Name

Description

7RW

MPCV

Max power correction variable:

0: use standard MPC coefficient

1: use MPCC bits for MPC coefficient

ECLE

LDTE

BCLE

IDE

ZDE

SVE

ZCE

NSBW

Bit

RST

Name

Description

NSBW

Noise-shaper bandwidth selection:

1: 3rd order NS

0: 4th order NS

Bit

RST

Name

Description

1RW

ZCE

Zero-crossing volume enable:

1: volume adjustments will only occur at digital zero-

crossings

0: volume adjustments will occur immediately

Bit

RST

Name

Description

2RW

SVE

Soft volume enable:

1: volume adjustments use soft volume

0: volume adjustments occur immediately

Bit

RST

Name

Description

3RW

ZDE

Zero-detect mute enable: setting of 1 enables the

automatic zero-detect mute

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