Excuse me, are in a project of proteus, a 51 single chip microcomputer can display 8 x 8 dot matrix, and then display 16 * 16 dot matrix? I want to use a connection two lattice 51 single-chip microcomputer and column line, of which 8 x 8 dot matrix connection 74 ls138 decoder input connection p3 mouth (column), line connection p0 mouth, 16 * 16 dot matrix line connection p1 and p2 mouth mouth, again after another 16 output 74 ls154 decoder (column input or connection p3),
8 x 8 dot matrix display name pinyin first, and then 16 * 16 dot matrix display name of the Chinese,
My program written, but can not succeed on the proteus show

CodePudding user response:

Of course can achieve the goal that idea