1602字符液晶的使用 数据线和12864共用在一起的,都是从CPLD引出来的,控制信号RS和E两个信号线全部都是由CPLD引出的.因此在CPLD中将会定义一他们各自的地址-1602 character the use of the LCD data lines and 12864 shared together, from the CPLD leads to the control signal RS and E the two signal lines are all the leads from the CPLD. The CPLD will define their respective address