RELIANCE SA3000DC70控制器
1.產(chǎn) 品 介 紹
品牌：RELIANCE
型號說明：RELIANCE SA3000DC70控制器
優(yōu)勢：供應進口原裝正品，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 SA3000DC70如果基板上填充了4MB，那么兼容的mezzanies是從4開始的。（即，夾層地址映射從4MB開始。）因此，在4MB基板上，夾層上的內(nèi)存似乎與基板上的內(nèi)存相鄰。軟件可以通過檢查偏移地址$25處的寄存器的第七位（位23）來確定基板上有多少內(nèi)存。該位在MC2芯片初始化時由硬件狀態(tài)機設置?！禡VME162FX嵌入式控制器程序員參考指南》中MC2芯片編程模型中的DRAM內(nèi)存控制器部分規(guī)定了內(nèi)存性能。下表定義了用于控制器SRAM選項的基板和夾層內(nèi)存填充選項的組合。RELIANCE SA3000DC70嵌入式控制器的設計包括512KB SRAM選項。SRAM架構(gòu)是單非交織的。其性能在《RELIANCE SA3000DC70嵌入式控制器程序員參考指南》中MC2芯片編程模型中的SRAM內(nèi)存控制器一節(jié)中進行了規(guī)定。
RELIANCE SA3000DC70If the base board is populated with 4MB, the compatible mezzanines are ones that start at four. (i.e. the mezzanine address map starts at 4MB.) Therefore on 4MB base boards, the memory on the mezzanine appears contiguous to the memory on the base board. The software can determine how much memory is on the base board by examining the seventh bit (bit 23) of the register at offset address $25. This bit is set upon MC2 chip initialization by a hardware state machine. Memory performance is specified in the section on the DRAM Memory Controller in the MC2 chip Programming Model in the MVME162FX Embedded Controller Programmer’s Reference Guide. The following table defines the combinations of base board and mezzanine memory population options used for the controller SRAM Options The MVME162FX Embedded RELIANCE SA3000DC70Controller’s design includes a 512KB SRAM option. SRAM architecture is single non-interleaved. Its performance is specified in the section on the SRAM Memory Controller in the MC2 chip Programming Model in the MVME162FX Embedded Controller Programmer’s Reference Guide.RELIANCE SA3000DC70
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