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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)： | 3/36頁 |
| 文件大?。?/td> | 536K |
| 代理商： | ST7LNB1Y0M6 |
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ST7LNB1Y0
Functional description
Figure 7.
SaTCR control and legacy (wide RF band)
3.2
DiSEqC-ST commands
To control SaTCR based LNBs and switchers, two new DiSEqC commands are used:
●
ODU_SatCR_Op (5Ah): this command is used during LNB or switcher normal
operation.
●
ODU_SatCR_Inst (5Bh): this command is used only during the LNB or switcher
installation.
Both commands frames must have the following DiSEqC format:
Different subcommands are defined, depending on the data bytes which are sent (refer to
ST7LNB1Y0
SaTCR1
Matrix
SaTCR6
DiSEqC 1.0
DRX1
DiSEqC-ST
DRX2
Legacy SaTCR
Table 5.
DiSEqC-ST command format
E0h / E2h(1)
DiSEqC
Slave address
5Ah /5Bh
DATA1
DATA2
1.
All commands accept E0h or E2h framing. Whatever the command, if E2h framing is used, then the MCU sends at least
the response E4h (refer to Section 4.2).
Table 6.
ODU_SaTCR_Op (5Ah)
Sub-command
DATA1
DATA2
Command Description
76
5
4:2
1
0
ODU_ChangeChannel
SaTCR(1)
Feed(2)
Tun[9](3)
Tun[8]
Tun[7:0]
This command is used for the
channel selection.
ODU_PowerOff
SaTCR
0
00h
This command is used to put a
SaTCR in low power mode.
1.
SaTCR: SaTCR number [0 to 7] (refer to Table 3).
2.
Feed: matrix RF input [0 to 7] (refer to Table 9).
3.
Tun[9:0]: tuning word.
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