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STA015 Scheda tecnica(PDF) 10 Page - STMicroelectronics |
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STA015 Scheda tecnica(HTML) 10 Page - STMicroelectronics |
10 / 56 page Obsolete Product(s) - Obsolete Product(s) STA015 10/56 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 following table: Figure 7. MPEG Decoder Interface Figure 8. Serial Input Interface Clocks 3.0 INTERFACE DESCRIPTION 3.1 Serial Input Interface STA015 receives the input data (MSB first) through the Serial Input Interface (Fig.7). It is a serial commu- nication interface connected to the SDI (Serial Data Input) and SCKR (Receiver Serial Clock). The interface can be configured to receive data sampled on both rising and falling edge of the SCKR clock. The BIT_EN pin, when set to low, forces the bitstream input interface to ignore the incoming data. For PLAY MUTE Clock State PCM Output Decoding 0 0 Not Running 0 No 0 1 Running 0 No 1 0 Running Decoded Samples Yes 1 1 Running 0 Yes 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 SCLK_POL=0 SCLK_POL=4 DATA IGNORED DATA VALID SCKR SCKR SDI BIT_EN D98AU968A DATA IGNORED |
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