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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 |
| 文件頁數(shù)： | 23/31頁 |
| 文件大小： | 192K |
| 代理商： | STV8203 |
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IAGCS
(InternalAGC ControlValue)
Address
: 16
Type
: R
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
IAGC-CTRL
Indicatesthe value of the internalAGC controlsignal.
Normally, the mean value should equal the value set in the IAGCR register when a signal is being
demodulated.
FFFIXL
(ClockGenerator Finefrequency)
Address
: 17
Type
: R/W
Reset
: 0000 0000
bit 7
bit 6
bit 5
CLOCK GENERATOR FINE FREQUENCY (8 LSB’s)
bit 4
bit 3
bit 2
bit 1
bit 0
SeeFCFIX registerfor explanation.
FFFIXH
(Clock Generatorand Fine Frequency Control)
Address
: 18
Type
: R/W
Reset
: 01101110
bit 7
0
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
DEMOD MODE M2:M0
CLOCK GEN FINE FREQ (4 MSB’s)
DEMOD MODE M2:M0
: Controlsthe demodulatormode (only when register Ehex bits[3:0] = 0000) :
MODE[6:4]
CH1 FM
X00
Normal
X01
Wide
010
Normal
011
Wide
110
Normal
111
Wide
The FM discriminator modulationfull rangecan be set at :
- narrow mode : 250kHz(
±
125kHz),
- widemode : 500kHz (
±
250kHz).
CLOCK GEN FINE FREQ : Clock generatorfine frequency(4 MSB’s)( see FCFIXfor explanation).
FCFIX
(Clock GeneratorCoarse Frequency)
Address
: 19
Type
: R/W
Reset
: 0001 0001
CH2 FM/QPSK
FM Normal
FM Wide
QPSK System B/G/L
QPSK System B/G/L
QPSK System I
QPSK System I
bit 7
0
bit 6
0
bit 5
bit 4
CLOCK GENERATOR COARSE FREQUENCY
bit 3
bit 2
bit 1
bit 0
Thebits [5:0]togetherwith FFFIXHbits[3:0] and FFFIXLbits [7:0]can be usedtoprogrammethe internal
clockgeneratorfor different quartz crystal frequencies ; the default value is for 27MHz.
Fref
Fqpsk
193 with Fref = crystal frequency,Fqpsk = 32 x 728kHz = 23.296MHz.
FCFIX = INT(P)
(INT: integerpart)
FFFIX= 256 x (16 x REM(P) - 1)
(REM:fractional remainder)
Notethat 0
≤
FFFIX <3840 so there is a small range of frequencieswhich cannot be used.
Example : Fref = 27MHz, FCFIX = 17, FFFIX= 3584.
P
=
182
PROGRAMMING THE DEVICE
(continued)
STV8203
23/31
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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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