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Numéro de référence | STA304 | ||
Description | DIGITAL AUDIO PROCESSOR | ||
Fabricant | ST Microelectronics | ||
Logo | |||
1 Page
STA304
DIGITAL AUDIO PROCESSOR WITH MULTICHANNEL DDX™
END 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(sSCL SDA
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: STA304
ct(s EMBEDDED PLL FOR INTERNAL CLOCK
uGENERATION (1024x48 kHz = 49.152 MHz)
d 24.576 MHz EXTERNAL INPUT CLOCK OR
roBUILT-IN INDUSTRY STANDARD XTAL
POSCILLATOR.
te1.0 DESCRIPTION
leThe STA304 Digital Audio Processor is a single chip
device implementing end to end digital solution for
oaudio application. In conjunction with STA500 power
sbridge it gives the full digital DSP-to-power high qual-
bity chain with no need for audio Digital-to-Analog con-
Overters between DSP and power stage.
ROM
DSP
RAM
DDX
I2S
29 LEFT_B
30 LEFT_A
27 RIGHT_B
28 RIGHT_A
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
11
14 15
43
44
SA
XTI XTO
CKOUT
PWDN
April 2010
1/31
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Pages | Pages 30 | ||
Télécharger | [ STA304 ] |
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