參數(shù)資料
型號(hào): STV0056AF
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)
文件頁數(shù): 19/27頁
文件大小: 224K
代理商: STV0056AF
CONTROL REGISTERS
(continued)
Reg 2
writeonly
Bit (defaultF7
HEX
)
0
H
Select video source for scart1 O/P
1
H
Select video source for scart1 O/P
2
H
Select video source for scart1 O/P
3
L
Select 4.000MHzor 8.000MHzclock speed (L = 8MHz)
4
H
Select audio source for volume output (Switch K1)
5
H
Select audio source for volume output (Switch K1)
6
H
Select Left/Right/Stereofor volumeoutput
7
H
Select Left/Right/Stereofor volumeoutput
Reg 3
Bit (defaultF7
HEX
)
0
H
Select video source for scart2 O/P
1
H
Select video source for scart2 O/P
2
H
Select video source for scart2 O/P
3
L
Videodeemphais2 / 22kHz(H : 22kHz)
4
H
Select audio source for Scart 2 output (Switch K5)
5
H
Select audio source for Scart 2 output (Switch K5)
6
H
Audio deemphasisselect (Switch K2)
7
H
Audio deemphasisselect (Switch K2)
writeonly
Reg 4
Bit (defaultBF
HEX
)
0
H
Select source for video decoder O/P
1
H
Select source for video decoder O/P
2
H
Select source for video decoder O/P
3
H
Stand-byor low power mode (H = low power)
4
H
Select audio source for Scart 3 output (Switch K6)
5
H
Select audio source for Scart 3 output (Switch K6)
6
L
Black leveladjust on Scart 3 video
7
H
Black leveladjust on Scart 3 video
writeonly
Reg 5
Bit (defaultB5
HEX
)
0
H
FM deviationselection-- defaultvalue for 50kHz modulation
1
L
FM deviationselection
2
H
FM deviationselection
3
L
FM deviationselection
4
H
FM deviationselection
5
H
FM deviationselection(L = double the FM deviation)
6
L
Select 22kHz for I/O
(Pin29 / STV0056AF)
7
H
Select TP50a(H) or I/O
(Pin 29 / STV0056AF).TP50afor test only.
writeonly
Reg 6
Bit (default86
HEX
)
0
L
Statusof I/O
1
H
Select data direction of I/O1 ( H = output)
2
H
Select frequencysynthesizer1 OFF/ON(L = OFF)
3
L
Select frequencysynthesizer2 OFF/ON(L = OFF)
4
L
Select RF source (L = OFF)to FM det 1
5
L
Select RF source (L = OFF)to FM det 2
6
L
Select frequencyfor PLL synthesizer- LSB(bit 0) of 10-bit value
7
H
Select frequencyfor PLL synthesizer- bit1 of 10-bitvalue
write/read
STV0056AF
19/27
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