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STA310 Datasheet(PDF) 77 Page - STMicroelectronics

Part # STA310
Description  62-CH. MULTISTANDARD AUDIO DECODER
PDF  90 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA310 Datasheet(HTML) 77 Page - STMicroelectronics

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STA310
Hardware Reset: UND
Description;:.
The notation, 2/0 represents 2 front speakers and no
surround speakers.
LPCMA_FORCE_DWS
Downsampling 192 to 96KHz
Address : 0x70
Type: R/W
Software Reset: NC
Hardware Reset: UND
Description:
This register selects whether downsampling is used
for input streams requiring sampling frequencies of
192KHz or 176.4KHz. When ’automatic’ is selected,
register is automatically updated to correspond to the
new output frequency.
LPCMA_DM_COEFT_0
Downmix phase coefficients 0
Address : 0x97
Type: R/W
Software Reset: NC
Hardware Reset: UND
Description:
This register sets the phase coefficients for channels
mixing to Lmix. The input signal is inverted when
PH_xL = ’0’ and non-inverted when ’1’.
LPCMA_DM_COEFT_1
Downmix phase coefficients 1
Address: 0x98
Type: R/W
Software Reset: NC
Hardware Reset: UND
Description:
This register sets the phase coefficients for channels
mixing to Rmix. The input signal is inverted when
PH_xR = ’0’ and non-inverted when ’1’.
LPCMA_DM_COEFT_2
Downmix gain coefficients 2
Address: 0x99
Type: R/W
Software Reset: NC
Hardware Reset: UND
Description:
This register sets the mixing gain for Lf to Lmix. See
the note after register
LPCMA_DM_COEFT_3
Downmix gain coefficients 3
Address : 0x9A
Type: R/W
Software Reset: NC
Value
Description
0
Downmix not applied
1
Force downmix 2/0
2
Downmix 2/0 is applied if the flags
down_mix_code_validity AND
stereo_playback_mode are both ’0’ in the
bitstream
7654321
0
Reserved
Value
Bitfield
Description
Value
00: Automatic (if Fs = 192KHz or 176.4KHz)
01: Automatic (if Fs = 192KHz or 176.4KHz)
10: No downsampling
7
65432
1
0
0
PH_1L PH_2L PH_3L PH_4L PH_5L Reserved
7
6
543
2
1
0
PH_0R
0 PH_2R PH_3R PH_4R PH_5R Reserved
765432
1
0
COEF_0L
7654321
0
COEF_0R



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