產(chǎn)品標(biāo)題:KJ4001X1-CK1 12P0732X162 接線端子

型號(hào)： KJ4001X1-CK1 12P0732X162

品牌：艾默生

                                                              產(chǎn)品詳情資料：

VE3008 CE3008  KJ2005X1-MQ1 12P6381X042

每個(gè)VMEbus從映射解碼器具有地址轉(zhuǎn)換地址寄存器、地址轉(zhuǎn)換選擇寄存器、起始地址寄存器、結(jié)束地址寄存器、尋址修改器選擇寄存器和屬性寄存器。這些寄存器的地址和位定義如下表所示。VMEbus從映射解碼器通過將段的起始地址加載到起始地址寄存器和將段的結(jié)束地址加載到結(jié)束地址寄存器來編程。如果VMEbus地址修改器代碼指示A24 VMEbus的地址周期，則在比較之前，VME總線地址的高8位被強(qiáng)制為零。地址修改器選擇寄存器應(yīng)針對(duì)所需的地址修改器代碼進(jìn)行編程。當(dāng)?shù)刂沸薷钠鬟x擇寄存器被清除時(shí)，VMEbus從映射解碼器被禁用。地址轉(zhuǎn)換寄存器允許本地資源具有不同的VMEbus和本地總線地址。只能修改地址位A31至A16。當(dāng)A24 VMEbus周期用于訪問本地資源時(shí)，地址轉(zhuǎn)換寄存器還提供上八個(gè)本地總線地址線。

                         產(chǎn)品英文詳情料:

Each VMEbus slave map decoder has an address translation address register, an address translation select register, a start address register, an end address register, an address modifier select register, and an attribute register. The ad- dresses and bit definitions of these registers are shown in the following tables.A VMEbus slave map decoder is programmed by loading the starting address of the segment into the starting address register and the ending address of the segment into the ending address register. If the VMEbus address modifier codes indicate an A24 VMEbus address cycle, then the upper eight bits of the VMEbus address are forced to zero before the compare. The address modifier select register should be programmed for the required address modifier codes. A VMEbus slave map decoder is disabled when the address modifier select register is cleared. The address translation registers allow local resources to have different VMEbus and local bus addresses. Only address bits A31 through A16 may be modified. The address translation registers also provide the upper eight local bus address lines when an A24 VMEbus cycle is used to accesses a local resource.

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