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STA304A

STMicroelectronics
Part Number STA304A
Manufacturer STMicroelectronics
Description DIGITAL AUDIO PROCESSOR
Published Jun 23, 2007
Detailed Description STA304A DIGITAL AUDIO PROCESSOR WITH MULTICHANNEL DDX™ „ STA304AEND TO END DIGITAL AUDIO INTEGRATED SOLUTION „ · DSP...
Datasheet PDF File STA304A PDF File

STA304A
STA304A

Overview
STA304A DIGITAL AUDIO PROCESSOR WITH MULTICHANNEL DDX™ „ STA304AEND TO END DIGITAL AUDIO INTEGRATED SOLUTION „ · DSP Functions: - DIGITAL VOLUME CONTROL - SOFT MUTE - BASS and TREBLE - PARAMETRIC EQ PER CHANNEL - BASS MANAGEMENT FOR SUBWOOFER - AUTO MUTE ON ZERO INPUT DETECTION „ 4+1 DIRECT DIGITAL AMPLIFICATION (DDX™) OUTPUT CHANNELs „ 6 CHANNELs PROGRAMMABLE SERIAL OUTPUT INTERFACE (by default I2S) „ 4 CHANNELs PROGRAMMABLE SERIAL INPUT INTERFACE (by default I2S) „ STEREO S/PDIF INPUT INTERFACE „ Intel AC'97 LINK (rev.
2.
1) INPUT INTERFACE FOR AUDIO AND CONTROL „ ON CHIP AUTOMATIC INPUT SAMPLING FREQUENCY DETECTION „ 100 dB SNR SAMPLE RATE CONVERTER (1KHz SINUSOIDAL INPUT) „ I2C CONTROL BUS -„ LOW POWER 3.
3V CMOS TECHNOLOGY )BLOCK DIAGRAM t(sSA SCL SDA 11 10 9 ucLRCKI/ SYNC dBICKI / BIT_CL 3 4 roSDI_1 / SDATA_OUT 1 SDI_2 / SDATA_IN 2 PRXP 18 bsolete RXN 19 I2S S/PDIF I2C SRC AC`97 TQFP44 ORDERING NUMBER: STA304A t(s)„ EMBEDDED PLL FOR INTERNAL CLOCK cGENERATION (1024x48 kHz = 49.
152 MHz) u„ 6.
144 MHz EXTERNAL INPUT CLOCK OR dBUILT-IN INDUSTRY STANDARD XTAL roOSCILLATOR „ VARIABLE DIGITAL GAIN UP TO 24dB P(0.
75dB STEP) te1.
0 DESCRIPTION leThe STA304A Digital Audio Processor is a single ochip device implementing end to end digital solution sfor audio application.
In conjunction with STA500 bpower bridge it gives the full digital DSP-to-power Ohigh quality chain with no need for audio Digital-to- Analog converters between DSP and power stage.
ROM DSP RAM DDX I2S 29 LEFT_A 30 LEFT_B 27 RIGHT_A 28 RIGHT_B 33 SLEFT_A 34 SLEFT_B 23 SRIGHT_A 24 SRIGHT_B 21 LFE_A 22 LFE_B 43 LRCKO 43 BICKO 43 SDO_1 43 SDO_2 43 SDO_3 RESET 7 PLL PowerDown 35 EAPD April 2010 14 15 XTI XTO 43 CKOUT 44 PWDN 1/31 STA304A 1.
0 DESCRIPTION (continued) The device supports two main configurations as far as input sources: AC'97 input or IIS/SPDIF input: selection is made via a dedicated pin (AC97_MODE pin).
The AC`97 can be configured to work in two diff...


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