輸人N(變址)的有效值為0~LEN-1。對從第一單元開始查尋,NX應(yīng)置0。在執(zhí)行過程中,該值增1。因此,輸出NX的值為1~LEN。如果輸人NX(變址)值超過范圍((0或≥LEN),其值將置為0缺省值。變換成BCD-4的功能模塊用以將帶符號整數(shù)的數(shù)據(jù)變換成等值的4位BCD碼輸出。通過該功能模塊,不改變原碼數(shù)據(jù),輸出數(shù)據(jù)可直接用作其它程序功能模塊的輸人。數(shù)據(jù)可以變換成BCD格式,以驅(qū)動BCD編碼LED(發(fā)光二極管)顯示,或預(yù)t外部設(shè)備,諸如高速計數(shù)器。

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Honeywell EMEM Circuit Board # 51400910-100 !

Honeywell LLCN Circuit Board # 51401291-100 !