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參數(shù)資料
| 型號(hào)： | MT312T-Y |
| 廠商： | Marktech Optoelectronics |
| 英文描述： | 2x4mm Rectangular LED Lamps |
| 中文描述： | 2x4mm矩形發(fā)光二極管 |
| 文件頁(yè)數(shù)： | 36/90頁(yè) |
| 文件大小： | 318K |
| 代理商： | MT312T-Y |
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MT312
QPSK Demodulator
36
6 QPSK demodulator
6.1 QPSK Demodulator Read/Write Registers
6.1.1 Symbol Rate. Registers 23 - 24 (R/W)
B15:
SEARCH
B14:
B14:
Reserved.
S FMT
Must be set low
Sweep MT312 Format.
If SYM RATE[15:14] = 0 this is the non-search mode, i.e. the known Symbol rate mode.
B13-0:
Required Symbol rate in Mbaud x 256. Unsigned 14 bit number. e.g. for a symbol
rate of 27.5 MBd
SYM RATE = 27.5 * 256 = 7040 = 1B80 (hex)
If any of the two DSS bits are set in the CONFIG register, then the SYM RATE register contents are ignored
and the symbol rate is taken as 20 MBaud. Hence it is not necessary to program the SYM RATE register for
DSS applications.
If SYM RATE[15:14] = 1x this is the Search Mode where x = don't care.
B11-0:
Sub-ranges to be searched (scaled by clock rate).
The total symbol rate range is divided into 12 sub-ranges. A bit in the above register pair is assigned to each
sub-range, as de
fi
ned in the tables below. The symbol rate sub-range or sub-ranges to be searched are de
fi
ned
by setting the appropriate bits high. Small overlaps are automatically provided between successive sub-ranges.
Note that the lowest sub-ranges have been provided for 90 MHz operation and the device has not been
optimised for operation below 1 MBaud.
NAME
ADR
B7
B6
B5
B4
B3
B2
B1
B0
Def
hex
SYM RATE H
23
SEARCH
Reserved
SYM RATE[13:8] in MBaud (high byte)
R/W
80
SYM RATE L
24
SYM RAT[7:0] in Mbaud (low byte)
R/W
80
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT3371BN | Wide Dynamic Range DTMF Receiver |
| MT3371BS | Wide Dynamic Range DTMF Receiver |
| MT3371BNR | Wide Dynamic Range DTMF Receiver |
| MT3371BSR1 | Wide Dynamic Range DTMF Receiver |
| MT3371BSR | Wide Dynamic Range DTMF Receiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT313024 | 制造商:TE Connectivity 功能描述: |
| MT3130C4 | 制造商:TE Connectivity 功能描述: |
| MT3133-Y | 制造商:MARKTECH 制造商全稱:Marktech Corporate 功能描述:Standard 10mm LED Lamps |
| MT3146-Y | 制造商:MARKTECH 制造商全稱:Marktech Corporate 功能描述:1X5 RECTANGULAR LED LAMPS |
| MT3149 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:六路閃燈IC，可選外圍元件改閃燈變順序及狀態(tài)。 |
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