RELIANCE 0-52842控制板
1.產(chǎn) 品 介 紹
品牌：RELIANCE
型號(hào)說(shuō)明：RELIANCE 0-52842控制板
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公司主營(yíng)特點(diǎn)：主營(yíng)產(chǎn)品各種模塊/卡件，控制器，觸摸屏，伺服驅(qū)動(dòng)器。
2.產(chǎn) 品 詳 情 資 料：
MC68xx040高速緩存RELIANCE 0-52842嵌入式控制器本地總線主控器（VMEcchip2、MC68xx1040、53C710 SCSI控制器和82596CA以太網(wǎng)控制器）具有窺探/高速緩存模式的可編程控制。IP DMA本地總線主機(jī)的窺探控制功能由J26處的跳線設(shè)置控制。J26控制所有IP DMA傳輸?shù)母Q探控制信號(hào)的值。這包括當(dāng)在IP DMA以命令鏈接模式操作時(shí)更新DMA控制寄存器時(shí)執(zhí)行的IP DMA。RELIANCE 0-52842支持MC68xx040總線監(jiān)聽(tīng)的控制器的本地總線從機(jī)在本章后面的本地總線內(nèi)存映射表中定義。無(wú)VMEbus接口選項(xiàng)MVME162FX嵌入式控制器可作為嵌入式控制器運(yùn)行，無(wú)需VMEbus界面。對(duì)于此選項(xiàng)，不會(huì)填充VMEchip2和VMEbus緩沖區(qū)。此外，總線授權(quán)菊花鏈和中斷確認(rèn)菊花鏈安裝了零歐姆旁路電阻器。RELIANCE 0-52842
MC68xx040 Cache The MVME162FX Embedded Controller local bus mastersRELIANCE 0-52842 (VMEchip2, MC68xx040, 53C710 SCSI controller, and 82596CA Ethernet controller) have programmable control of the snoop/caching mode. The IP DMA local bus master’s snoop control function is controlled by jumper settings at J26. J26 controls the value of the snoop control signals for all IP DMA transfers. This includes the IP DMA which is executed when the DMA control registers are updated while the IP DMA is operating in the command chaining mode. The controller’s local bus slaves which support MC68xx040 bus snooping are defined in the Local Bus Memory Map table later in this chapter. No-VMEbus-Interface Option The MVME162FX Embedded Controller can be operated as an embedded controller without the VMEbus interface. For this option, the VMEchip2 and the VMEbus buffers are not populated. Also, the bus grant daisy chain and the interrupt acknowledge daisy chain have zero-ohm bypass resistors installed.RELIANCE 0-52842
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