RRELIANCE 57C429數(shù)字量輸入卡件
1.產(chǎn) 品 介 紹
品牌：RELIANCE
型號說明：RELIANCE 57C429數(shù)字量輸入卡件
優(yōu)勢：供應(yīng)進口原裝正品，專業(yè)停產(chǎn)配件。
公司主營特點：主營產(chǎn)品各種模塊/卡件，控制器，觸摸屏，伺服驅(qū)動器。
2.產(chǎn) 品 詳 情 資 料：
RELIANCE 57C429本地總線仲裁器本地總線仲裁程序?qū)崿F(xiàn)固定優(yōu)先級，如下表定時性能所述。本節(jié)提供了有關(guān)MVME162FX嵌入式控制器性能的信息?？刂破髟O(shè)計為在25 MHz或32 MHz下工作。本地總線到DRAM周期時間DRAM基址、陣列大小和設(shè)備大小是可編程的。如果DRAM大小需要八個物理設(shè)備（即，當(dāng)存儲器陣列大小為4MB且DRAM技術(shù)為每個設(shè)備4 Mbits時；RELIANCE 57C429或當(dāng)存儲器陣列尺寸為16MB且DRAN技術(shù)為每個器件16 Mbits時），則DRAM控制器采用交錯結(jié)構(gòu)。奇偶校驗和奇偶異常動作也可編程。DRAM陣列大小和設(shè)備大小在DRAM空間大小寄存器中初始化。RELIANCE 57C429
Local Bus Arbiter The local bus arbiter implements a fixed priority which is described in the following table Timing Performance This section provides information on the performance of the MVME162FX Embedded Controller. The controller is designed to operate at 25 MHz or 32 MHz. Local Bus to DRAM Cycle Times The DRAM base address, array size, RELIANCE 57C429and device size are programmable. The DRAM controller assumes an interleaved architecture if the DRAM size requires eight physical devices (that is, when the memory array size is 4MB and DRAM technology is 4 Mbits per device; or when the memory array size is 16MB and DRAM technology is 16 Mbits per device.) Parity checking and parity exception action is also programmable. The DRAM array size and device size are initialized in the DRAM Space Size Register.RELIANCE 57C429
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