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| 型號： | SAB82525N |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Data Communications ICs |
| 中文描述： | 數(shù)據(jù)通信集成電路 |
| 文件頁數(shù)： | 60/126頁 |
| 文件大?。?/td> | 730K |
| 代理商： | SAB82525N |
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SAB 82525
SAB 82526
SAF 82525
SAF 82526
Semiconductor Group
60
5.3 Bus Configuration
Beside the point-to-point configuration, the HSCX effectively supports point-to-multipoint (pt-
mpt, or bus) configurations by means of internal idle and collision detection/collision resolution
methods.
In a pt-mpt configuration, comprising a central station (master) and several peripheral stations
(slaves), or in a multimaster configuration (
see figure 6
)
,
data transmission can be initiated by
each station over a common transmit line (bus). In case more than one station attempt to
transmit data simultaneously (collision), the bus is assigned to one station by a collision-
resolution procedure implemented by the HSCX. The bus assignment function is based on a
priority principle with both fixed and rotating priorities that enables each station to access the
bus in a predeterminable time. As a result, any number of transmitters can be connected to the
serial bus.
Prerequisites for bus operation are:
– NRZ encoding
– OR connection of data at the bus
– feedback of bus information (C
×
DA/C
×
DB input)
The bus configuration is selected via the CCR1 register.
Note:
Central clock supply for each station is not necessary if both the receive and transmit
clock is recovered by the DPLL (clock mode 7). In this case, the function of the DPLL
also minimizes the phase shift between the transmit clocks of the individual transmitters
so that an opening flag sequence will be sufficient to allow a correct collision detection.
The bus mode can be operated independently of the clock mode, e.g. also during clock
mode 1 (receive and transmission strobe) or clock mode 5 (programmable time-slots).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAB82526 | Data Communications ICs |
| SAB82526N | Data Communications ICs |
| SAF82525N | Data Communications ICs |
| SAF82526 | Data Communications ICs |
| SAF82526N | Data Communications ICs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAB82525N-V2.1 | 制造商:Siemens 功能描述:82525N-V2.1 |
| SAB82525NV2.1GHSCX | 制造商:Infineon Technologies AG 功能描述: |
| SAB82525N-V2.1GHSCX | 制造商:Infineon Technologies AG 功能描述: |
| SAB82525NV2.1HSCX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SAB82525NV2.2 | 功能描述:輸入/輸出控制器接口集成電路 T/E RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
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