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89C51 how to realize external interrupt 0 and 1 to control the high and low four bits of nixie tube respectively

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How to use two external interrupts to control the counting of high and low four digit nixie tubes




Refer to the answer 1:

Go to my blog to find examples , use 2 A variable , about 2 Each interrupt controls a variable , Send each variable 4 A digital tube display .




Refer to the answer 2:

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