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ST7LNB1Y0 Datasheet(PDF) 10 Page - STMicroelectronics

Part # ST7LNB1Y0
Description  DiSEqC??slave microcontroller for SaTCR based LNBs and switchers
PDF  36 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LNB1Y0 Datasheet(HTML) 10 Page - STMicroelectronics

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Functional description
ST7LNB1Y0
10/36
3
Functional description
3.1
ST7LNB1Y0 applications
The ST7LNB1Y0 is intended to be used in different LNB switcher applications supporting
SaTCRs.
Three main types of applications could be distinguished (see Table 4).
An EEPROM parameter will be used for configuring the ST7LNB1Y0 for a particular
application type (refer to Section 4 for more details on how to program the EEPROM
parameter).
Figure 5.
SaTCR control block diagram
Figure 6.
SaTCR control and legacy (standard RF band)
Table 4.
Application types
Num
Application type
Description
0
SaTCR control(1) (see Figure 5)
1.
This application could support up to 8 RF feeds. (applications 1 and 2 are limited to 4 RF feeds).
– Control through I2C of up to 8 SaTCRs
1
SaTCR and legacy (standard RF band)
(see Figure 6)
– The ST7LNB1Y0 controls through I2C up to 4
SaTCRs
– Control of a legacy matrix using up to 4 pins
2
SaTCR and legacy (wide RF band)
(see Figure 7)
– Control though I2C of up to 6 SaTCRs + legacy
– Control of a dedicated SaTCR for the legacy
support
SaTCR1
Matrix
SaTCR8
DiSEqC-ST
SaTCRx
DRX2
DiSEqC-ST
DRX1
ST7LNB1Y0
ST7LNB1Y0
SaTCR1
Matrix
SaTCR4
DiSEqC 1.0
DRX1
DRX2
MAT[1 to 4]
DiSEqC-ST



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