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參數(shù)資料
| 型號： | ST7LNB1Y0M6 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, EEPROM, 8 MHz, MICROCONTROLLER, PDSO16 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-16 |
| 文件頁數(shù)： | 10/36頁 |
| 文件大?。?/td> | 536K |
| 代理商： | ST7LNB1Y0M6 |
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ST7LNB1Y0 configuration
ST7LNB1Y0
15
SaTCR1 matrix truth table
(4)
ACh
16
35h
17
SaTCR2 matrix truth table
59h
18
6Ah
19
SaTCR3 matrix truth table
56h
1A
9Ah
1B
SaTCR4 matrix truth table
95h
1C
A6h
1D
SaTCR5 matrix truth table
FFh
1E
FFh
1F
SaTCR6 matrix truth table
FFh
20
FFh
21
SaTCR7 matrix truth table
FFh
22
FFh
23
SaTCR8 matrix truth table / legacy matrix
FFh
24
FFh
25
SaTCRs GAIN(5)
SaTCRs 1 to 4 Gain
FFh
26
SaTCRs 5 to 8 Gain
FFh
27
SaTCRs number
(6)
04h
28
Tuning step size (unit= 1MHz)
04h
29
Software Version Number
14h
2A /
2B
RESERVED(7)
1.
Besides the address defined in the EEPROM at index 00h, addresses 10h and 00h are recognized also as valid addresses.
2.
SaTCRX BPF = BPFX center frequency (MHz) / 2.
3.
When an application supports the wide RF band only one local oscillator with a frequency FLO is present in the LNB. In this
case the selection of the high or the low band for the legacy output is performed by a dedicated SaTCR.
Two parameters are needed for the band selection:
- The tuning word for the low band selection = [(FLO (MHz) - FLow (MHz))/ 4] - 350: where FLow corresponds to the Low LO
frequency.
- The tuning word for the high band selection = [(FLO (MHz) - FHigh (MHz))/4] - 350: where FHigh corresponds to the High band
LO frequency.
Example: in a wide band application with FLO= 13250 MHz, for emulating a low band local oscillator at 9750 MHz, index
0Dh and index 0Eh must be loaded with the decimal value D = dec [0D:0E] = round ((13250-9750)/4) - 350 = 525.
4.
Matrix truth table for SaTCRx or legacy:
- If 4 RF inputs are implemented then the matrix truth table has the following coding on 2 bytes: “aaaabbbb ccccdddd”
where:
aaaa= selection of Feed1 on SaTCRx, aaaa = [MAT4, MAT3, MAT2, MAT1]
bbbb= selection of Feed0 on SaTCRx, bbbb = [MAT4, MAT3, MAT2, MAT1]
cccc = selection of Feed3 on SaTCRx, cccc = [MAT4, MAT3, MAT2, MAT1]
dddd= selection of Feed2 on SaTCRx,dddd = [MAT4, MAT3, MAT2, MAT1]
- If 8RF inputs are implemented then the truth table given in Table 17 is used.
Table 16.
ST7LNB1Y0 EEPROM parameters (continued)
Index
Parameter
Description
Default
value
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