參數(shù)資料
型號: STA304
廠商: 意法半導體
英文描述: DIGITAL AUDIO PROCESSOR WITH MULTICHANNEL DDX⑩
中文描述: 數(shù)字音頻處理器多通道的DDX⑩
文件頁數(shù): 1/30頁
文件大小: 335K
代理商: STA304
1/30
STA304
January 2002
This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.
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END TO END DIGITAL AUDIO INTEGRATED
SOLUTION
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· DSP Functions:
- DIGITAL VOLUME CONTROL
- SOFT MUTE
- BASS and TREBLE
- PARAMETRIC EQ PER CHANNEL
- BASS MANAGEMENT FOR SUBWOOFER
- AUTO MUTE ON ZERO INPUT DETECTION
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4+1 DIRECT DIGITAL AMPLIFICATION
(DDX) OUTPUT CHANNELs
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6 CHANNELs PROGRAMMABLE SERIAL
OUTPUT INTERFACE (by default I2S)
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4 CHANNELs PROGRAMMABLE SERIAL
INPUT INTERFACE (by default I2S)
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STEREO S/PDIF INPUT INTERFACE
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Intel AC'97 LINK (rev. 2.1) INPUT INTERFACE
FOR AUDIO AND CONTROL
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ON CHIP AUTOMATIC INPUT SAMPLING
FREQUENCY DETECTION
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100 dB SNR SAMPLE RATE CONVERTER
(1KHz SINUSOIDAL INPUT)
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2
C CONTROL BUS
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LOW POWER 3.3V CMOS TECHNOLOGY
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EMBEDDED PLL FOR INTERNAL CLOCK
GENERATION (1024x48 kHz = 49.152 MHz)
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24.576 MHz EXTERNAL INPUT CLOCK OR
BUILT-IN INDUSTRY STANDARD XTAL
OSCILLATOR.
1.0 DESCRIPTION
The STA304 Digital Audio Processor is a single chip
device implementing end to end digital solution for
audio application. In conjunction with STA500 power
bridge it gives the full digital DSP-to-power high qual-
ity chain with no need for audio Digital-to-Analog con-
verters between DSP and power stage.
TQFP44
ORDERING NUMBER: STA304
PRODUCT PREVIEW
DIGITAL AUDIO PROCESSOR WITH MULTICHANNEL DDX
BLOCK DIAGRAM
DSP
SRC
I2S
AC`97
S/PDIF
DDX
I2S
PLL
I2C
RESET
LRCKI / SYNC
SDI_1 / SDATA_OUT
SDI_2 / SDATA_IN
RXP
RXN
BICKI/ BIT_CL
SDO_1
SDO_2
SDO_3
LRCKO
BICKO
XTI
XTO
LEFT_B
LEFT_A
RIGHT_B
RIGHT_A
SLEFT_A
SLEFT_B
SRIGHT_A
SRIGHT_B
LFE_A
LFE_B
SCL
SDA
SA
RAM
ROM
CKOUT
18
1
2
3
4
19
11
10
9
7
14
15
43
43
43
43
43
43
22
21
24
23
34
33
28
27
30
29
PowerDown
44
35
EAPD
PWDN
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