STA328 datasheet(35/57 Pages) STMICROELECTRONICS

No. de pieza	STA328

Descripción Electrónicos	2.1-channel high-efficiency digital audio system

PDF	57 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

Logo

35 / 57 page

STA328

35/57

6.8

AutoMode registers

6.8.1

AutoModes EQ, volume, GC (addr 0x0B)

By setting AMEQ to any setting other than 00 enables AutoMode EQ where biquads 1-4 are

not user programmable. Any coefficient settings for these biquads are ignored. Also when

AutoMode EQ is used the pre-scale value for channels 1-2 becomes hard-set to -18 dB.

AMPS

Reserved

AMGC1

AMGC0

AMV1

AMV0

AMEQ1

AMEQ0

000

Table 49.

AutoMode EQ

AMEQ[1,0]

Mode (biquad 1-4)

User programmable

Preset EQ - PEQ bits

Auto volume controlled loudness curve

Not used

Table 50.

AutoMode volume

AMV[1,0]

Mode (MVOL)

MVOL 0.5 dB 256 steps (standard)

MVOL auto curve 30 steps

MVOL auto curve 40 steps

MVOL auto curve 50 steps

Table 51.

AutoMode gain compression/limiters

AMGC[1:0]

Mode

User programmable GC

AC no clipping

AC limited clipping (10%)

DRC nighttime listening mode

Table 52.

AMPS - AutoMode auto prescale

Bit

R/W

RST

Name

Description

AMPS

AutoMode pre-scale

0: -18 dB used for pre-scale when AMEQ neq 00

1: user defined pre-scale when AMEQ neq 00

STA328 Datasheet(PDF) 35 Page - STMicroelectronics

STA328 Datasheet(HTML) 35 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

Datasheet Descarga

Enlace URL