SAM ELETRONICS EMP2200控制器模塊
1.產(chǎn) 品 資 料 介 紹:
中文資料:
SAM ELETRONICS EMP2200注:如果既沒有啟用監(jiān)督訪問也沒有啟用非特權(quán)訪問,則板將不會(huì)響應(yīng)任何VMEbus訪問。
存儲(chǔ)器地址/訪問選擇開關(guān)(S8)開關(guān)S8用于配置SDRAM存儲(chǔ)器地址和訪問模式:?S8–選擇VMEbus地址A32至A26?S8-選擇VMEbus訪問模式
示例2:寄存器和內(nèi)存選擇控制和狀態(tài)寄存器映射在擴(kuò)展地址$3000000,SAM ELETRONICS EMP2200僅響應(yīng)監(jiān)控模式訪問。SDRAM反射存儲(chǔ)器映射在擴(kuò)展地址$40000000,僅響應(yīng)非特權(quán)模式訪問
注:SAM ELETRONICS EMP2200重要的是,兩個(gè)地址配置不能相互重疊或干擾系統(tǒng)中任何其他板的操作。
英文資料:
SAM ELETRONICS EMP2200NOTE: If neither Supervisory nor Nonprivileged access is enabled, the board will not respond to any VMEbus accesses.
Memory Address/Access Select Switch (S8) Switch S8 is used to configure the SDRAM Memory address and access mode: ? S8 – Selects VMEbus addresses A32 thru A26 ? S8 – Selects VMEbus access mode
Example 2: Register and Memory Select The Control and Status Registers are mapped at Extended Address $30000000 and responds to Supervisory mode access only. The SDRAM reflected memory is mapped at Extended Address $40000000 and responds to Nonprivileged mode access only
SAM ELETRONICS EMP2200NOTE: It is important that the two address configurations do not overlap each other or interfere with the operation of any other board in the system.SAM ELETRONICS EMP2200
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