參數(shù)資料
型號: STV8237
廠商: 意法半導體
英文描述: Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
中文描述: 數(shù)字音頻解碼器/處理器為A2和麗音電視/錄像機
文件頁數(shù): 106/149頁
文件大?。?/td> 2775K
代理商: STV8237
Register List
STV82x7
106/149
SVC_LS_TIME_TH
Register Description
Address: BFh
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
SVC_LS_TIME[2:0]
SVC_LS_THRESHOLD[4:0]
Bit Name
Reset
Function
SVC_LS_TIME[2:0]
100
Time constant for the amplification (6dB gain step) in automatic mode:
000: 30ms
001: 200ms
010: 500ms
011: 1s
100: 16s
101: 32s
110: 64s
111: 128s
SVC_LS_
THRESHOLD[4:0]
11000
see
Table 27
and
Table 28
.
Table 27: Gain (threshold field) values in Manual mode
Manual Mode
Gain (dB)
00101
+15.5
00100
+12
00011
+9.5
00010
+6
00001
+3.5
00000
0
11111
-2.5
11110
-6
11101
-8.5
11100
-12
11011
-14.5
11010
-18
11001
-20.5
11000
-24
10111
-26.5
10110
-30
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