RELIANCE 45C200A I/O處理器模塊
1.產(chǎn) 品 介 紹
品牌：RELIANCE
型號說明：RELIANCE 45C200A I/O處理器模塊
優(yōu)勢：供應(yīng)進(jìn)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 45C200A I/O處理器模塊地圖的許多區(qū)域是用戶可編程的，表中顯示了建議的用途。緩存抑制功能可在MC68xx040 MMU中編程。板載I/O空間必須標(biāo)記為緩存禁止并在其頁表中序列化。表1-5進(jìn)一步定義了本地I/O設(shè)備的映射。復(fù)位啟用了存儲器映射的這個空間的解碼器，RELIANCE 45C200A I/O處理器模塊以便它將解碼地址空間。在啟用DRAM之前，必須在MC2芯片中禁用0處的解碼。DRAM通過地址位24處的DRAM控制寄存器被啟用。PROM/Flash在具有PROM控制寄存器的低地址空間被禁用。該區(qū)域是用戶可編程的。DRAM和SRAM解碼器在MC2芯片中編程，本地到VMEbus解碼器在VMEchip2中編程，IP存儲器空間在IP2芯片中。RELIANCE 45C200A
RELIANCE 45C200AMany areas of the map are userprogrammable, and suggested uses are shown in the table. The cache inhibit function is programmable in the MC68xx040 MMU. The onboard I/O space must be marked cache inhibit and serialized in its page table.RELIANCE 45C200ATable 1-5 further defines the map for the local I/O devices Reset enables the decoder for this space of the memory map so that it will decode address spaces The decode at 0 must be disabled in the MC2 chip before DRAM is enabled. DRAM is enabled with the DRAM Control Register at address bit 24. PROM/Flash is disabled at the low address space with PROM Control Register This area is user-programmable. The DRAM and SRAM decoder is programmed in the MC2 chip, the local-to-VMEbus decoders are programmed in the VMEchip2, and the IP memory space is programmed in the IP2 chip.RELIANCE 45C200A
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