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STV82X6 データシート(PDF) 57 Page - STMicroelectronics

部品番号 STV82X6
部品情報  Multistandard TV Audio Processor and Digital Sound Demodulator
PDF  95 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV82X6 データシート(HTML) 57 Page - STMicroelectronics

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STV82x6
Register List
PRE_NICAM
NICAM Prescaling Register
PRE_AUX
SCART Prescaling Register
FM_PRESCALE
[5:0]
000110
-6 to + 24 dB FM (or AM) prescaling to normalize the FM (or AM) 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)
011000
+24
111110
-2
010111
+23
111101
-3
010110
+22
111100
-4
010101
+21
111011
-5
010100
+20
111010
-6
etc.
Address (hex): 45h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
NICAM_PRESCALE[5:0]
Bit Name
Reset
Function
Bits[7:6]
00
Reserved.
NICAM_
PRESCALE[5:0]
001101
-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)
011000
+24
111110
-2
010111
+23
111101
-3
010110
+22
111100
-4
010101
+21
111011
-5
010100
+20
111010
-6
etc.
Address (hex): 46h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
I2S_PRESCALE[3:0]
SCART_PRESCALE[3:0]
Bit Name
Reset
Function



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