參數(shù)資料
型號(hào): STV0056A
廠商: 意法半導(dǎo)體
英文描述: Satellite Sound and Video Processor(衛(wèi)星探測(cè)和視頻處理器)
中文描述: 衛(wèi)星聲音和視頻處理器(衛(wèi)星探測(cè)和視頻處理器)
文件頁(yè)數(shù): 20/26頁(yè)
文件大?。?/td> 247K
代理商: STV0056A
CONTROL REGISTERS
(continued)
Video Mux Truth Tables
Register2 <0:2>
Scart 1 videooutput control
Register3 <0:2>
Scart 2 videooutput control
Register4 <0:2>
Scart 3 decoder output control
The truthtable for the threescart outputs are the same.
Register 2/3/4
Bit<1>
0
0
1
1
0
0
1
1
Video Output
Bit<2>
0
0
0
0
1
1
1
1
Bit<0>
0
1
0
1
0
1
0
1
Baseband video
De-emphasized video
Normal video
Scart 3return
Scart 2return
Scart 1return
Nothing selected
High Z or low power (default)
Register 4
Black Level Adjust on Scart3
Bit <7>
0
1
0
1
Bit <6>
0
0
1
1
-150mV
0 (default)
+150mV
+300mV
AudioMux Truth Tables
Register 2
Switch K1/Audio Source Selection for Volume Output
Volume Output
Audio deemphasis (K2 switch O/P)
Scart 2 return
Scart 3 return
High Z or low power (default)
Bit <5>
0
1
0
1
Bit <4>
0
0
1
1
A
C
B
-
Register 3
Switch K2/Audio Deemphasis
Bit <7>
0
1
0
1
Bit <6>
0
0
1
1
A
C
B
B
Audio Deemphasis
No deemphasis
J17
50
μ
s
75
μ
s (default)
Register 0
Switch K3 & K4
Bit <6>
0
1
X
X
Bit <5>
X
X
0
1
A
B
A
B
ANRS I/O Select
Noise reduction OFF
Noise reduction ON (default)
I/P = PLL
I/P = Scart 3 return
Register 3
Switch K5/Audio Source Selection for Scart 2
Aux Audio Output
PLL output
Scart 3 return
Audio deemphasis (K2 switch O/P)
High Z or low power state(default)
Bit <5>
0
1
0
1
Bit <4>
0
0
1
1
C
A
B
-
Register 4
Switch K6/Audio Source Selection for Scart 3
Audio Decoder Output
PLL output
Audio deemphasis (K2 switch O/P)
Scart 2 return
High Z or low power state(default)
Bit <5>
0
1
0
1
Bit <4>
0
0
1
1
A
C
B
-
STV0056A
20/26
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