STV82X6 STMICROELECTRONICS [STMicroelectronics], STV82X6 Datasheet - Page 57

• Manufacturer Part Number: STV82X6
• Description: Multistandard TV Audio Processor and Digital Sound Demodulator
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STV82x6
Address (hex): 45h
Type: R/W
Address (hex): 46h
Type: R/W
FM_PRESCALE
PRESCALE[5:0]
Bit Name
Bit Name
Bit 7
Bit 7
NICAM_
Bits[7:6]
0
[5:0]
PRE_NICAM
PRE_AUX
I2S_PRESCALE[3:0]
Bit 6
Bit 6
000110 -6 to + 24 dB FM (or AM) prescaling to normalize the FM (or AM) demodulated signal level before
001101 -6 to + 24 dB NICAM prescaling to normalize the NICAM demodulated signal level before audio
Reset
Reset
0
00
audio processing. Auto level control can be implemented by I²C software using the Peak Level
Detector. (Default value = +6 dB)
011000
010111
010110
010101
010100
Reserved.
processing. Auto level control can be implemented by I²C software using the Peak Level Detector.
(Default value = +13 dB)
011000
010111
010110
010101
010100
Bit 5
Bit 5
NICAM Prescaling Register
SCART Prescaling Register
G (dB)
+24
+23
+22
+21
+20
etc.
G (dB)
+24
+23
+22
+21
+20
etc.
Bit 4
Bit 4
111110
111101
111100
111011
111010
111110
111101
111100
111011
111010
NICAM_PRESCALE[5:0]
Bit 3
Bit 3
G (dB)
-2
-3
-4
-5
-6
G (dB)
-2
-3
-4
-5
-6
Function
Function
SCART_PRESCALE[3:0]
Bit 2
Bit 2
Bit 1
Bit 1
Register List
Bit 0
Bit 0
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