參數(shù)資料
型號(hào): STV8216
廠商: 意法半導(dǎo)體
英文描述: Multistandard TV Audio Processor and Digital Sound Demodulator
中文描述: 多標(biāo)準(zhǔn)電視音頻處理器和數(shù)字聲音解調(diào)器
文件頁(yè)數(shù): 69/97頁(yè)
文件大小: 1871K
代理商: STV8216
69/97
STV82x6
Register List
Note: 1 When the SVC is in Automatic mode (SVC_ON = 1), internal clipping may occur with a high
reference level (REF_LEVEL = -2.5 or -6 dB). The maximum recommended value is -8.5 dB.
2 A mute of the corresponding audio output is recommended before switching ON/OFF. A gain
discontinuity may create annoying audible plops.
SVC_TIME[1:0]
10
Defines the constant time of the gain loop.
Time Constant for 6 dB Amplification
00:
01:
10:
11:
16 s (Default)
8 s
4 s
2 s
SVC_REF[4:0]
00000
Smart Volume Control Reference Level Select
If SVC_ON = 0, this value defines the prescaling gain ranging from -30 dB to +15.5 dB.
If SVC_ON = 1, this value defines the output reference level of the regulation ranging from -2.5 dB
down to -30 dB. The SVC output level must be adjusted to avoid internal clipping due to post-
processing with amplification, i.e. ST/SRS
Surround Sound (+9 dB max), Equalizer or Bass/
Treble (+12 dB max) and Loudness (+6 dB max). Programmable values are listed in
Table 23
.
Table 23: SVC Bit Values
SVC_ON = 0
SVC_ON = 1
SVC_REF[4:0]
REF_LEVEL (dB)
SVC_REF[4:0]
REF_LEVEL (dB)
> 00101
Reserved
> 00101
Reserved
00101
+15.5
00101
-12
00100
+12
00100
-12
00011
+9.5
00011
-12
00010
6
00010
-12
00001
3.5
00001
-12
00000 (Default)
0
00000
-12
11111
-2.5
11111
1
-2.5
11110
-6
11110
1
-6
11101
-8.5
11101
-8.5
11100
-12
11100
-12
11011
-14.5
11011
-14.5
11010
-18
11010
-18
11001
-20.5
11001
-20.5
11000
-24
11000
-24
10111
-26.5
10111
-26.5
10110
-30
10110
-30
<10110
Reserved
< 10110
Reserved
Bit Name
Reset
Function
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