STA013中文资料MPEG 2.5 LAYER III AUDIO DECODER数据手册ST规格书

描述 Description

The STA013 is a fully integrated high flexibility MPEG Layer III Audio Decoder, capable of decoding Layer III compressed elementary streams, as specified in MPEG 1 and MPEG 2 ISO standards. The device decodes also elementary streams compressed by using low sampling rates, as specified by MPEG 2.5.
STA013 receives the input data through a Serial Input Interface. The decoded signal is a stereo, mono, or dual channel digital output that can be sent directly to a D/A converter, by the PCM Output Interface. This interface is software programmable to adapt the STA013 digital output to the most common DACs architectures used on the market.
The functional STA013 chip partitioning is described in Fig.1.

特性 Features

PLL FOR INTERNAL CLOCK AND FOR OUTPUT PCM CLOCK GENERATION
SERIAL PCM OUTPUT INTERFACE (I2S AND OTHER FORMATS)
CRC CHECK AND SYNCHRONISATION ERROR DETECTION WITH SOFTWARE INDICATORS
LOW POWER CONSUMPTION: 85mW AT 2.4V
LOW POWER 3.3V CMOS TECHNOLOGY
I2C CONTROL BUS
10 MHz, 14.31818 MHz, OR 14.7456 MHz EXTERNAL INPUT CLOCK OR BUILT-IN INDUSTRY STANDARD XTAL OSCILLATOR DIFFERENT FREQUENCIES MAY BE SUPPORTED UPON REQUEST TO STM
SERIAL BITSTREAM INPUT INTERFACE
DIGITAL BASS & TREBLE CONTROL
SINGLE CHIP MPEG2 LAYER 3 DECODER SUPPORTING:\\t\\tAll features specified for Layer III in ISO/IEC 11172-3 (MPEG 1 Audio)\\t\\tAll features specified for Layer III in ISO/IEC 13818-3.2 (MPEG 2 Audio)\\t\\tLower sampling frequencies syntax extension, (not specified by ISO) called MPEG 2.5\\t\\t
SUPPORTING ALL THE MPEG 1 & 2 SAMPLING FREQUENCIES AND THE EXTENSION TO MPEG 2.5: 48, 44.1, 32, 24, 22.05, 16, 12, 11. 025, 8 KHz\\t
DECODES LAYER III STEREO CHANNELS, DUAL CHANNEL, SINGLE CHANNEL (MONO)
DIGITAL VOLUME CONTROL
ANCILLARY DATA EXTRACTION VIA I2C INTERFACE.
ACCEPTS MPEG 2.5 LAYER III ELEMENTARY COMPRESSED BITSTREAM WITH DATA RATE FROM 8 Kbit/s UP TO 320 Kbit/s

简介

STA013属于集成电路（IC）的编码器解码器转换器。由ST制造生产的STA013编码器，解码器，转换器该系列产品可用于将信息封装或编码为适合于传输或存储的格式，和/或在通信路径的另一端执行逆运算，通常是通过使用某些形式的调制过程。示例包括从数字数据生成模拟视频信号的器件（反之亦然）；基于传输目的对按钮的状态进行编码的器件（实现远程控制功能）；以及便于将标准 UART 连接到标准红外收发器的器件。