先進(jìn)先出(FIFO)讀功能模塊(FIFO_ RD)從表中移出數(shù)據(jù)。數(shù)值總是從表的底部移出。如果指針指向最后位值,表就滿了。FIFO_RD必須用來刪除指針入口存儲單元的記錄并且指針減1。IFO_ RD和FIFO_ _WRT結(jié)合使用,F(xiàn)IFO_ WRT使指針增1并且把指針存儲單元的內(nèi)容寫入表中。1.FIFO_ RD復(fù)制表的頂部存儲單元的值到輸出參數(shù)Q中。
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GENERAL ELECTRIC 531X300CCHAEM2 NSPP 531X300CCHAEM2
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