參數(shù)資料
型號(hào)： MT312
廠(chǎng)商： ZARLINK SEMICONDUCTOR INC
元件分類(lèi)： 消費(fèi)家電
英文描述： Satellite Channel Decoder
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝： MQFP-80
文件頁(yè)數(shù)： 4/90頁(yè)
文件大?。?/td> 318K
代理商： MT312
MT312
Contents
4
Contents
1
1.1
1.2
1.3
1.4
Functional Overview .............................................................................................10
Introduction ........................................................................................................................................ 10
Analogue-to-Digital Converter ............................................................................................................ 10
QPSK Demodulator ............................................................................................................................ 10
Forward Error Correction .................................................................................................................. 11
Viterbi Error Count Measurement ................................................................................................ 11
Viterbi Error Count Coarse Indication .......................................................................................... 12
The Frame Alignment Block ........................................................................................................ 12
The De-interleaver Block ............................................................................................................. 13
DVB ............................................................................................................................................. 13
DSS ............................................................................................................................................. 13
The Reed Solomon Decoder Block ............................................................................................. 14
The Energy Dispersal (De-Scrambler) Block, DVB only .............................................................. 14
Output Stage ............................................................................................................................... 15
Control ................................................................................................................................................ 15
Symbol Rate and Code Rate Search Mode ................................................................................ 16
Direct Conversion Application ............................................................................................................ 16
DiSEqC
Transmit and Receive Messages ..................................................................................... 17
DiSEqC
Transmitting Messages .............................................................................................. 17
DiSEqC
Receiving Messages .................................................................................................. 17
1.4.1.1
1.4.1.2
1.4.2
1.4.3
1.4.3.1
1.4.3.2
1.4.4
1.4.5
1.4.6
1.5
1.5.2
1.6
1.7
1.7.1
1.7.2
2
2.1
MT312 Software Control .......................................................................................18
MT312 Register Map Overview .......................................................................................................... 18
3
3.1
3.2
3.3
3.4
3.5
MT312 Initialisation ...............................................................................................19
The Configuration Register (127) ....................................................................................................... 19
Power Supplies................................................................................................................................... 19
Initialisation Sequence ....................................................................................................................... 20
Spectral Inversion .............................................................................................................................. 21
MT312 Initialisation Read/Write Registers ......................................................................................... 21
Reset. Register 21 (R/W) ........................................................................................................... 21
MT312 Configuration. Register 127 (R/W) ................................................................................. 22
System Clock Frequency. Register 34 (R/W) ............................................................................. 23
MT312 Initialisation Read Register .................................................................................................... 23
Identification. Register 126 (R) ................................................................................................... 23
3.5.1
3.5.2
3.5.3
3.6
3.6.1
4
4.1
4.2
4.3
4.4
Tuner Control .........................................................................................................24
Simple Channel Change Sequence ................................................................................................... 24
Channel Change Sequence with a new Symbol Rate ....................................................................... 24
Channel Change Sequence with Search Mode ................................................................................. 24
Tuner Control Read/Write Registers .................................................................................................. 25
General Purpose Port Control. Register 20 (R/W) ..................................................................... 25
FR LIM: Frequency Limit. Register 37 (R/W) ............................................................................. 26
FR OFF: Frequency Offset. Register 38 (R/W) .......................................................................... 27
Tuner Control Read Registers ........................................................................................................... 27
Measured LNB Frequency Error. Registers 7 - 8 (R) ........................................................................ 27
Frequency Error 1 and 2. Registers 111 - 115 (R) ............................................................................ 28
4.4.1
4.4.2
4.4.3
4.5
4.5.1
4.5.2
相關(guān)PDF資料
PDF描述
MT312T-Y 2x4mm Rectangular LED Lamps
MT3371BN Wide Dynamic Range DTMF Receiver
MT3371BS Wide Dynamic Range DTMF Receiver
MT3371BNR Wide Dynamic Range DTMF Receiver
MT3371BSR1 Wide Dynamic Range DTMF Receiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT3-1203SI 制造商:VOLGEN 制造商全稱(chēng):VOLGEN 功能描述:3 WATT DC/DC CONVERTER, SIINGLE & MULTIIPLE OUTPUTS
MT3-1205SI 制造商:VOLGEN 制造商全稱(chēng):VOLGEN 功能描述:3 WATT DC/DC CONVERTER, SIINGLE & MULTIIPLE OUTPUTS
MT3-1212SI 制造商:VOLGEN 制造商全稱(chēng):VOLGEN 功能描述:3 WATT DC/DC CONVERTER, SIINGLE & MULTIIPLE OUTPUTS
MT3-1212WI 制造商:VOLGEN 制造商全稱(chēng):VOLGEN 功能描述:3 WATT DC/DC CONVERTER, SIINGLE & MULTIIPLE OUTPUTS
MT3-1215WI 制造商:VOLGEN 制造商全稱(chēng):VOLGEN 功能描述:3 WATT DC/DC CONVERTER, SIINGLE & MULTIIPLE OUTPUTS
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠(chǎng)商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*