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參數(shù)資料
| 型號(hào)： | STV8203 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MULTISTANDARD TV SOUND DEMODULATOR |
| 中文描述： | 多標(biāo)準(zhǔn)電視伴音解調(diào)器 |
| 文件頁(yè)數(shù)： | 15/31頁(yè) |
| 文件大小： | 192K |
| 代理商： | STV8203 |
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STD-CT-IIS
(SWDControl)
Address
Type
Reset
: 04
: R/W
: 0001 1000
bit 7
0
bit 6
0
bit 5
GAIN
bit 4
bit 3
MUTE
bit 2
bit 1
SWD
bit 0
DEMOFF
GAIN
: whichshould normally be set to its default value, can be usedto change the dematrixgain
for CH1 = L+R.
dematrixgain : 0 : channel1 = L/2+R/2,1 : channel1 = L+R
: bypassesthe FM or Nicamde-emphasis: 1 = de-emphasisoff
: mutes the DAC (FM or Nicam) : 1 = DACmuted
(onlyeffectiveif the AUTOSTANDARDfunction is off)
: Bits allow control of the mode of the switch/dematrix function as shown below.
(onlyeffectiveif the AUTOSTANDARDfunction is off)
[2:0]
De-emphasis
Description
000
FM CH1 mono
001
Zweiton mono
DEMOFF
MUTE
SWD
NICON[1:0]
X
X
00
01
10
11
X
not used
X
00
01
10
11
X
Left
D1
D1
D1
D2
D1
D2
DSL
Right
D1
D1
D2
D2
D1
D1
DSR
50
μ
s
010
Zweiton dual mono
011
100
101
Zweiton stereo
J17
Nicam mono
N1
N1
N2
N1
N2
NSL
N1
N2
N2
N1
N1
NSR
110
Nicam dual mono
111
Nicam stereo
D1 = FM audio from CH1,D2 = FM audio from CH2, DS = dematrixedZweiton stereo.
N1 = NicamM1, N2 = Nicam M2, NS = Nicam stereo.
These bits are controlledby AUTOSTANDARD when thisfunction is activated.
FMDC1, FMDC2
(FM DC Level)
Address
: 05-06
Type
: R
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
FM DC LEVEL 1 OR FM DC LEVEL 2
FMFrequencyoffset (dependenton the PLLcoefficients).
This value (2’s complement) is proportional to the DC offset, measured below 20Hz, of an FM signal. It
could be used to implement an AFC for FM signals.
PROGRAMMING THE DEVICE
(continued)
STV8203
15/31
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STV8203D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTISTANDARD TV SOUND DEMODULATOR |
| STV8206 | 功能描述:視頻 IC Audio Proc/Dig Demod RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| STV8207 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders |
| STV8207T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders |
| STV8211 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VIDEO & SOUND IF SYSTEM |
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