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STV82X7 Datasheet(PDF) 95 Page - STMicroelectronics

No. de pieza STV82X7
Descripción Electrónicos  Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
PDF  156 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV82X7 Datasheet(HTML) 95 Page - STMicroelectronics

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STV82x7
Register List
PRESCALE_NICAM
NICAM Prescaling Register
PRESCALE_SCART
SCART Prescaling Register
Bit Name
Reset
Function
Bit 7
0
Reserved.
PRESCALE_FM[6:0] 0001100 -12 to + 24 dB FM prescaling to normalize the FM demodulated signal level before audio
processing. Auto level control can be implemented by I2C software using the Peak Level Detector.
(Default value = +6 dB)
G (dB)
G (dB)
0110000
+24
1101100
-10
0101111
+23.5
1101011
-10.5
0101110
+23
1101010
-11
0101101
+22.5
1101001
-11.5
0101100
+22
1101000
-12
etc.
Address: 96h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
PRESCALE_NICAM
Bit Name
Reset
Function
Bit 7
0
Reserved.
PRESCALE_NICAM[6:0] 011010
-6 to + 24 dB NICAM prescaling to normalize the NICAM demodulated signal level before
audio processing. Auto level control can be implemented by I2C software using the Peak Level
Detector. (Default value = +13 dB)
G (dB)
G (dB)
0110000
+24
1111000
-4
0101111
+23.5
1110111
-4.5
0101110
+23
1110110
-5
0101101
+22.5
1110101
-5.5
0101100
+22
1110100
-6
etc.
Address: 97h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
PRESCALE_SCART
Bit Name
Reset
Function
Bit [7:6]
00
Reserved.



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