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STV8247T Datasheet(PDF) 90 Page - STMicroelectronics

Part # STV8247T
Description  Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
PDF  149 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV8247T Datasheet(HTML) 90 Page - STMicroelectronics

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Register List
STV82x7
90/149
PRESCALE_I2S_2
I2S_2 Prescaling Register
DEEMPHASIS_DEMATRIX
Deemphasis-Dematrix Register
PRESCALE_I2S_1[5:0] 000000
-12 to + 12 dB I2S_1 prescaling to normalize the I2S_1 signal level before audio processing.
Auto level control can be implemented by I2C software using the Peak Level Detector. (Default
value = 0 dB)
G (dB)
G (dB)
011000
+12
101100
-10
010111
+11.5
101011
-10.5
010110
+11
101010
-11
010101
+10.5
101001
-11.5
010100
+10
101000
-12
etc.
Address: 9Ah
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
PRESCALE_I2S_2[5:0]
Bit Name
Reset
Function
Bits [7:6]
00
Reserved.
PRESCALE_I2S_2[5:0] 000000
-12 to + 12 dB I2S_2 prescaling to normalize the I2S_2 signal level before audio processing.
Auto level control can be implemented by I2C software using the Peak Level Detector. (Default
value = 0 dB)
G (dB)
G (dB)
011000
+12
101100
-10
010111
+11.5
101011
-10.5
010110
+11
101010
-11
010101
+10.5
101001
-11.5
010100
+10
101000
-12
etc.
Address: 9Bh
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
00
NICAM_
DEMATRIX
NICAM_
DEEMPH_BY
PASS
FM_DEMATRIX
FM_DEEMPH
_BYPASS
FM_DEEMPH
_SW
Bit Name
Reset
Function
Bits [7:6]
00
Reserved.
Bit Name
Reset
Function



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