STA328_08 datasheet(6/57 Pages) STMICROELECTRONICS

tên linh kiện	STA328

Giải thích chi tiết về linh kiện	2.1-channel high-efficiency digital audio system

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Description

STA328

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1.2

EQ processing

Two channels of input data (re-sampled if necessary) at 96 kHz are provided to the EQ

processing block. In this block, up to four user-defined biquads can be applied to each of the

two channels.

Pre-scaling, DC-blocking, high-pass, de-emphasis, bass, and tone control filters can also be

applied based on various configuration parameter settings.

The entire EQ block can be bypassed for all channels simultaneously by setting the DSPB

bit to 1. And the CxEQBP bits can be used to bypass the EQ function on a per channel

basis. Figure 3 shows the internal signal flow through the EQ block.

Figure 3.

Channel signal flow through the EQ block

1.3

Output configurations

Figure 4.

Output power-stage configurations

Pre

Scale

High-Pass

Filter

BQ#1

BQ#2

Bass

Filter

De-

Emphasis

Treble

Filter

Re-sampled

Input

To

Mix

BQ#4

BQ#3

If HPB = 0

4 Biquads

User defined if AMEQ = 00

Preset EQ if AMEQ = 01

Auto Loudness if AMEQ = 10

If DEMP = 1

If CxT CB = 0

BT C: Bass Boost/Cut

T T C: T reble Boost/Cut

If DSPB = 0 & CxEQB = 0

Half

Bridge

Half

Bridge

Half

Bridge

Half

Bridge

OUT1A

OUT1B

OUT2A

OUT2B

Channel 2

Channel 1

Half

Bridge

Half

Bridge

Half

Bridge

Half

Bridge

OUT1A

OUT1B

OUT2A

OUT2B

Channel 2

Channel 1

Half

Bridge

Half

Bridge

Half

Bridge

Half

Bridge

OUT1A

OUT1B

OUT2A

OUT2B

Channel 3

Channel 1

Channel 2

2-channel (full-bridge) configuration,

register bits OCFG[1:0] = 00

2.1-channel configuration,

register bits OCFG[1:0] = 01

1-channel mono-parallel configuration,

register bits OCFG[1:0] = 11

The setup register is Configuration register

F (addr 0x05) on page 31

Half

Bridge

Half

Bridge

Half

Bridge

Half

Bridge

OUT1A

OUT1B

OUT2A

OUT2B

Channel 3

Số phần tương tự - STA328_08

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	STA32813TR	409Kb / 41P	2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM

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Mô tả tương tự - STA328_08

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	STA323W	1Mb / 77P	2.1-channel high-efficiency digital audio system
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	STA323W	782Kb / 41P	2.1 HIGH EFFICIENCY DIGITAL AUDIO SYSTEM
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