STA014B datasheet(9/45 Pages) STMICROELECTRONICS

tên linh kiện	STA014B

Giải thích chi tiết về linh kiện	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM AND SRS WOWO POSTPROCESSING CAPABILITY

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In this mode the fractional part of the PLL is dis-

abled and the audio clocks are generated at

nominal rates. Fig. 6 describes the default

DATA_REQ

signal

behaviour.

Programming

STA014 it is possible to invert the polarity of the

DATA_REQ line (register REQ_POL).

2.4 - STA014 Decoding States

There are three different decoder states: Idle,

Init, and Decode. Commands to change the de-

coding states are described in the STA014 I

2C

registers description.

Idle Mode

In this mode (entered after a S/W or H/W reset)

the decoder is waiting for the RUN command.

This mode should be used to initialize the con-

figuration registers of the device. The DAC con-

nected to STA014 can be initialized during this

mode (set MUTE to 1).

PLAY

MUTE

Clock State

PCM Output

X

0

Not Running

0

X

1

Running

0

Init Mode

"PLAY" and "MUTE" changes are ignored in this

mode. The internal state of the decoder will be

updated only when the decoder changes from the

state "init" to the state "decode". The "init" phase

ends when the first decoded samples are at the

output stage of the device.

Decode Mode

This mode is completely described by the follow-

ing table:

PLAY

MUTE

Clock State

PCM

Output

Decoding

0

Not Running

0

No

0

1

Running

0

No

1

0

Running

Decoded

Samples

Yes

1

Running

0

Yes

SOURCE SEND DATA TO STA015

DATA_REQ

SOURCE STOPS TRANSMITTING DATA

D00AU1144

Figure 6. DATA_REQ control line

DATA

SOURCE

µP

MPEG

DECODER

IIC

D98AU912

IIC

SDO

SCKT

LRCKT

SERIAL AUDIO INTERFACE

SDI

SCKR

BIT_EN

XTO

DAC

RX

TX

XTI

FILT

PLL

OCLK

SCL

SDA

DATA_REQ

Figure 7. MPEG Decoder Interfaces.

STA014-STA014B-STA014T

9/45

Số phần tương tự - STA014B

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	STA011	434Kb / 38P	L-band RF front-end for digital radio
	STA013	300Kb / 38P	MPEG 2.5 LAYER III AUDIO DECODER
	STA013B	300Kb / 38P	MPEG 2.5 LAYER III AUDIO DECODER
	STA013T	300Kb / 38P	MPEG 2.5 LAYER III AUDIO DECODER
	STA015	277Kb / 44P	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY

More results

Mô tả tương tự - STA014B

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	STA015	720Kb / 55P	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY
	STA015	277Kb / 44P	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY
	STA015	1Mb / 56P	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY
	STA016T	249Kb / 45P	MPEG 2.5 LAYER III AUDIO DECODER SUPPORTING CD-ROM CAPABILITY & ADPCM
	STA003T	309Kb / 32P	MPEG 2.5 LAYER III AUDIO DECODER
	STA013	300Kb / 38P	MPEG 2.5 LAYER III AUDIO DECODER
	STA016A	268Kb / 43P	MPEG 2.5 LAYER III AUDIO DECODER SUPPORTING CD-ROM CAPABILITY
Winbond	W9986D	128Kb / 1P	MPEG Audio Layer III Decoder
Micronas	MAS3507D	867Kb / 60P	MPEG 1/2 Layer 2/3 Audio Decoder
Sanyo Semicon Device	LC8230	138Kb / 7P	MPEG Audio Decoder LSI

More results

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