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STV0042A 数据表(PDF) 19 Page - STMicroelectronics

部件名 STV0042A
功能描述  SATELLITE SOUND AND VIDEO PROCESSORS
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV0042A 数据表(HTML) 19 Page - STMicroelectronics

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Video Mux Truth Tables
Register 2 <0:2>
⇒ Scart 1 video output control
Register 3 <0:2>
⇒ Scart 2 video output control
The truth table for the three scart outputs are the same.
Register 2/3
Video Output
Bit<2>
0
0
0
0
1
1
1
1
Bit<1>
0
0
1
1
0
0
1
1
Bit<0>
0
1
0
1
0
1
0
1
Baseband video
De-emphasized video
Normal video
Not to be used
Scart 2 return
Not to be used
Nothing selected
High Z or low power (default)
Audio Mux Truth Tables
Register 2
Switch K1/Audio Source Selection for Volume Output
Bit <5>
0
1
0
1
Bit <4>
0
0
1
1
A
C
B
-
Volume Output
Audio deemphasis (K2 switch O/P)
Scart 2 return
Not to be used
High Z or low power (default)
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
Not to be used
50
µs
75
µs (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)
Not to be used
Not to be used
Register 3
Switch K5/Audio Source Selection for Scart 2
Bit <5>
0
1
0
1
Bit <4>
0
0
1
1
C
A
B
-
Aux Audio Output
PLL output
Not to be used
Audio deemphasis (K2 switch O/P)
High Z or low power state (default)
Register 2
Left / Right / Stereo on Volume Output
Bit <7>
0
1
1
Bit <6>
0
0
1
Mono left / channel 1
Mono right / channel 2
Stereo left & right (default)
CONTROL REGISTERS (continued)
STV0042A
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