標(biāo)題: [求助]DS12C887鬧鐘沒(méi)有反應(yīng),求達(dá)人解答 [打印本頁(yè)]

作者: suai723    時(shí)間: 2012-4-19 11:33
標(biāo)題: [求助]DS12C887鬧鐘沒(méi)有反應(yīng),求達(dá)人解答
我用51單片機(jī)與DS12C887連接,程序也對(duì),初始化也對(duì)0AH,0BH寄存器進(jìn)行了設(shè)置,但是到鬧鐘時(shí)間,IRQ引腳不產(chǎn)生中斷不知道是怎么回事,困擾我好久了,是芯片問(wèn)題呢還是程序問(wèn)題呢?求達(dá)人解答~~~小弟感激不盡




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