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There is an error in AT89x55.h in Keil C51

Nocky Tian

I am using keil C51 7.06A
Today I found an error in at89x52,it's about
the definition of WR and RD
in at89x55.h

sbit WR    = P3^7;
sbit RD    = P3^6;
But WR should be P3.6 while RD is P3.7.

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