ALSTOM N897093511D N897093051D N897093400H數(shù)字量輸入卡件
1.產(chǎn) 品 資 料 介 紹：
中文資料：
功能說明本節(jié)所述MVME187的主要功能塊包括：ALSTOM N897093511D N897093051D N897093400H 前面板開關(guān)和LED指示燈ALSTOM N897093511D N897093051D N897093400H 數(shù)據(jù)總線結(jié)構(gòu)ALSTOM N897093511D N897093051D N897093400H m8.8萬MPUALSTOM N897093511D N897093051D N897093400H EPROM公司ALSTOM N897093511D N897093051D N897093400H SRAM公司ALSTOM N897093511D N897093051D N897093400H 板載DRAMALSTOM N897093511D N897093051D N897093400H 電池備份RAM和時鐘ALSTOM N897093511D N897093051D N897093400H VME總線接口ALSTOM N897093511D N897093051D N897093400H I/O接口ALSTOM N897093511D N897093051D N897093400H 當(dāng)?shù)刭Y源
RESET如果板是系統(tǒng)控制器，RESET開關(guān)將重置所有板載設(shè)備并驅(qū)動SYSRESET*。RESET（復(fù)位）開關(guān)可能會被軟件禁用。ABORT當(dāng)軟件啟用時，ABORT開關(guān)會在用戶可編程級別生成中斷。它通常用于中止程序執(zhí)行并返回到調(diào)試器。
故障紅色當(dāng)BRDFAIL信號線處于活動狀態(tài)時，故障指示燈點亮。STAT黃色STAT LED由MVME187上的軟件控制。RUN Green當(dāng)本地總線TIP*信號線為低電平時，RUN LED指示燈亮起。這表示其中一個本地總線主控器正在執(zhí)行本地總線周期。SCON綠色當(dāng)MVME187是VMEbus系統(tǒng)控制器時，SCON LED亮起
英文資料：
Functional Description The major functional blocks of the MVME187 covered in this section are: ALSTOM N897093511D N897093051D N897093400H Front panel switches and LED indicators ?ALSTOM N897093511D N897093051D N897093400HData bus structure ?ALSTOM N897093511D N897093051D N897093400HM88000 MPU ?ALSTOM N897093511D N897093051D N897093400HEPROM ?ALSTOM N897093511D N897093051D N897093400HSRAM ?ALSTOM N897093511D N897093051D N897093400HOnboard DRAM ?ALSTOM N897093511D N897093051D N897093400HBattery backed up RAM and clock ?ALSTOM N897093511D N897093051D N897093400HVMEbus interface ?ALSTOM N897093511D N897093051D N897093400HI/O interfaces ?ALSTOM N897093511D N897093051D N897093400HLocal resources
RESET The RESET switch resets all onboard devices and drives SYSRESET* if the board is system controller. The RESET switch may be disabled by software. ABORT When enabled by software, the ABORT switch generates an interrupt at a userprogrammable level. It is normally used to abort program execution and return to the debugger.
FAIL Red The FAIL LED lights when the BRDFAIL signal line is active. STAT Yellow The STAT LED is controlled by software on the MVME187. RUN Green The RUN LED lights when the local bus TIP* signal line is low. This indicates one of the local bus masters is executing a local bus cycle. SCON Green The SCON LED lights when the MVME187 is the VMEbus system controller
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