施耐德BMXP3420302H
指令寄存器：用以保存当前执行或即将执行的指令的一种寄存器。指令内包含有确定操作类型的操作码和指出操作数来源或去向的地址。指令长度随不同计算机而异，指令寄存器的长度也随之而异。计算机的所有操作都是通过分析存放在指令寄存器中的指令后再执行的。指令寄存器的输人端接收来自存储器的指令
BMENOC0311C
BMENOC0321C
BMECXM0100H
BMENOP0300C
PMEPXM0100H
BMXP341000H
BMXP342020H
BMXP3420302H
BMXNOE0100H
BMXNOE0110H
BMXNOM0200H
BMXNOR0200H
BMXETM0200H
BMXNRP0200C
BMXNRP0201C
BMXCRA31210C
BMECRA31210C
BMXXBP0400H
BMXXBP0600H
BMXXBP0800H
BMXXBP1200H
BMEXBP0400H
BMEXBP0800H
BMEXBP1200H
BMEXBP0602H
BMEXBP1002H
BMXXBE1000H
BMXCPS3500H
BMXCPS4002H
BMXCPS4002S
BMXCPS3020H
BMXCPS4022H
BMXCPS4022S
BMXCPS3522H
BMXCPS3522S
BMXDDI1602H
BMXERT1604H
BMXSDI1602
BMXDDI3202KH
BMXDDI6402KH
BMXDDI1603H
BMXDAI1602H
BMXDAI1603H
BMXDAI1604H
BMXDAI1614H
BMXDAI1615H
BMXSDO0802
BMXDDO1602H
BMXDDO1612H
BMXDDO3202KC
BMXDDO6402KC
BMXSRA0405
BMXDRA0805H
BMXDRA0815H
BMXDRA1605H
BMXDRC0805H
BMXDAO1605H
BMXDAO1615H
BMXDDM16022H
BMXDDM16025H
BMXAMI0410H
施耐德BMXP3420302H
计算机的所有操作都是通过分析存放在指令寄存器中的指令后再执行的。指令寄存器的输人端接收来自存储器的指令，指令寄存器的输出端分为两部分。操作码部分送到译码电路进行分析，指出本指令该执行何种类型的操作;地址部分送到地址加法器生成有效地址后再送到存储器，作为取数或存数的地址。
施耐德BMXP3420302H
BMXDDM16022H
BMXDDM16025H
BMXAMI0410H
BMXSAI0410
BMXAMI0810H
BMEAHI0812H
BMXAMO0210H
BMXAMO0410H
BMEAHO0412C
BMXAMO0802H
BMXART0414H
BMXART0814H
BMXAMM0600H
BMXEAE0300H
BMXEHC0200H
BMXEHC0800H
BMXFTB4000H
BMXFTB4020H
ETB1EM12E04SPP0
ETB1EM16CP00
ETB1EM16EPP0
ETXPA511M3
ETXPA513M
ETXPA5M1
ETXPA5M3
ETXPA78BE
ETXPA78BI
ETXPC511M300040
ETXPC511M400020
ETXPC512M1M3010
ETXPC512M1M3020
ETXPC512M1M3050
ETXPC512M2M4006
ETXPC512M2M4010
ETXPC512M2M4020
ETXSA12B
ETXSC412M1M3010
ETXSC412M1M3020
ETXSC412M1M3050
ETXSC412U1M3020
ETXSC412U2M3020
ETXSC413U1M3003
STBACI0320K
STBACI1225K
STBACI1230K
STBACI1400K
STBACI8320K
STBACO0220K
STBACO1210K
STBACO1225K
STBACO8220K
STBAHI8321KC
STBART0200K
STBAVI0300K
STBAVI1255K
STBAVI1270K
STBAVI1400K
STBAVO0200K
STBAVO1250K
STBAVO1255K
STBAVO1265K
STBCPS2111K
STBDAI5230K
STBDAI5260K
STBDAI7220K
STBDAO5260K
STBDAO8210K
STBDDI3230K