參數(shù)資料
型號(hào)： ST7LNB0V2Y0M6
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, 8 MHz, MICROCONTROLLER, PDSO16
封裝： 0.150 INCH, PLASTIC, SOP-16
文件頁(yè)數(shù)： 29/30頁(yè)
文件大小： 451K
代理商： ST7LNB0V2Y0M6
ST7LNB0V2Y0 functional description
ST7LNB0V2Y0
3
ST7LNB0V2Y0 functional description
3.1
ST7LNB0V2Y0 configuration
Unlike the original slave microcontroller described in the Eutelsat DiSEqC slave
microcontroller specifications version 1.0, the ST7LNB0V2Y0 does not scan the control pins
in order to determine the slave configuration. Instead all configuration parameters must be
programmed for each specific application, and an option list (see Section 8: Device
configuration) must be filled-in to program the necessary options at the manufacturing
stage.
The slave configuration parameters are the following:
●
The DiSEqC slave address: 11h for an LNB, and 15h for a switcher
●
The local oscillator frequency table entry numbers
●
The DiSEqC configuration byte (refer to page 15 of DiSEqC slave microcontroller
specifications)
●
The output mode (see next paragraph)
●
22 kHz tone use in backwards compatible mode (SB/SA or Hi/Lo switching)
●
Standby pin use
3.2
ST7LNB0V2Y0 switching output modes
The ST7LNB0V2Y0 has 8 pins, OP1 to OP 8 available to provide ‘TTL’ logic levels to
operate switches. The switches can be are used to select various signal conditions and
sources (for example horizontal polarization, or satellite position).
As listed in Table 2, the committed output port is composed of OP1 to OP4 and the
uncommitted output port is composed of OP5 to OP8.
Depending on the application hardware, the switching control pins OP1 to OP8 may be
operated differently. Three possible output modes can be configured:
3.2.1
Single polarity output mode
In this mode each pin can be controlled individually as described in Table 3:
Table 3.
Single polarity output mode
Function name
Function description
OP4
SO B/A
OP3
SB/SA
OP2
Hor/Ver
OP1
Hi/Lo
OP5
SW5
OP6
SW6
OP7
SW7
OP8
SW8
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ST7LNB0V2Y0M6TR 制造商:STMicroelectronics 功能描述:
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ST7LNB1Y0M6 制造商:STMicroelectronics 功能描述: 制造商:STMicroelectronics 功能描述:8-bits MCU, 1.5KB flash, 128B ram
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