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參數(shù)資料
| 型號： | STV0196 |
| 廠商： | 意法半導體 |
| 英文描述： | QPSK/BPSK DEMODULATOR AND FEC IC |
| 中文描述： | 調(diào)制/ BPSK調(diào)制解調(diào)器和FEC集成電路 |
| 文件頁數(shù)： | 5/23頁 |
| 文件大?。?/td> | 236K |
| 代理商： | STV0196 |
I.4 - RegisterMap
REGISTERHEX 00
INPUT CONFIGURATION REGISTER (R/W)
Reset Value : Hex04
0
-Q(1)or Q(0) input
1
Signed (1) or positive(0) I & Q inputs
2
Nyquist filtering on (1) / off(0)
3
BPSK(1), QPSK(0)
4
To be set to 0.
5
To be set to 0.
6
To be set to 0.
7
To be set to 0.
FUNCTIONAL DESCRIPTION
(continued)
REGISTERSHEX 01 TO HEX 05
VITERBI,PUNCTURE RATETHRESHOLDS(R/W)
Reset Value : Hex20
rate
Hex01 VTH0 0 Th6 Th5 Th4 Th3 Th2 Th1 Th0 1/2
Hex02 VTH1 0 Th6 Th5 Th4 Th3 Th2 Th1 Th0 2/3
Hex03 VTH2 0 Th6 Th5 Th4 Th3 Th2 Th1 Th0 3/4
Hex04 VTH3 0 Th6 Th5 Th4 Th3 Th2 Th1 Th0 5/6
Hex05 VTH4 0 Th6 Th5 Th4 Th3 Th2 Th1 Th0
7/8
or
6/7
REGISTERHEX 06
VSEARCH(VITERBI) (R/W)
Reset Value : Hex19
0
H[1..0]
1
2
T[1..0]
3
4
SN[1..0]C/N indicator averagingperiod.
5
6
F
VITERBIoperatingstatusfreeze (1)
7
A/M
(0) automatic, (1) manual
Sync counter hysteresisvalue
Sync search time out
REGISTERHEX 07
VERROR REGISTER (Read only)
REGISTER HEX08
VSTATUSREGISTER(Read only)
0
PR[2..0] Currentpuncture rate identification
1
2
3
LK
(1) synchrofound,
(0) searchingpuncture rate
4
PRF
(1) puncturerate found,
(0) searchingpuncture rate
5
unused set to (0)
6
unused set to (0)
7
CF
(1)carrierfound,(0)searchingcarrier
REGISTER HEX09
PUNCTURE RATEENABLE (R/W)
Reset Value : Hex10 (modeA)
0
E0
(1) Puncture1/2 enabled,(0) disabled
1
E1
(1) Puncture2/3 enabled,(0) disabled
2
E2
(1) Puncture3/4 enabled,(0) disabled
3
E3
(1) Puncture5/6 enabled,(0) disabled
4
E4
(1) Puncture7/8(modeA),6/7(modeB)
(0) disabled
5
unused
6
7
REGISTER HEX0A
RS REGISTER (R/W)
Reset Value : HexB8
0 RS0 (1) outputclock stoppedduring parity,
(0) continuous
1 RS1 Output clock polarity
2 RS2 (1) allsynchro words are Hex47,
(0) synchro inversion disabled
3 RS3 Writeerror bit
4 RS4 Descrambler on (1), off (0)
5 RS5 Reed-Solomonon (1), off (0)
6 RS6 Normal operation (0), Reed-Solomon
correctionbytes to output (1)
7 RS7 De-interleaveron (1), off (0)
STV0196B
5/23
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STV0196B | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QPSK/BPSK DEMODULATOR AND FEC IC |
| STV02 | 功能描述:DIP 開關(guān)/ SIP 開關(guān) 2 POS SIP SWITCH RoHS:否 制造商:Omron Electronics 位置數(shù)量:10 開關(guān)類型:DIP 執(zhí)行器:Rotary 端子節(jié)距:2.54 mm 觸點形式: 端接類型:Solder Pin 電流額定值:100 mA 電壓額定值 DC: 工作溫度范圍: 安裝:Through Hole |
| STV0288 | 制造商:STMicroelectronics 功能描述: 制造商:STMicroelectronics 功能描述:SADA_(REG)DVB-S DEMODULATOR |
| STV0288-NIM | 制造商:STMicroelectronics 功能描述:EVALUATION KIT FOR DVB SATELLITE COMMUNICATIONS. - Bulk |
| STV0289 | 制造商:STMicroelectronics 功能描述: |
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