电子屏字符显示器 四个显示字符数据表放在50H-6FH单元内，字符用8*8点阵，R4（30H）用于控制显示静止字的时间，R5（31H）静止字显示跳转地址步距，B内放显示首址-electronic display screen four characters show character data table on the 50H-no cell, with eight characters Lattice * 8, R4 (30H) for the control of static characters show time, R5 (31H) static address shown Jump step, putting B shows the first site