icl7135用89c52，在protues上的仿真用1602显示，icl7135工作是busy传输数据，程序和仿真都有，准确无误。（上一次的有问题）-The ICL7135 with 89C52, protues simulation using the 1602 the ICL7135 work is busy transferring data, procedures and simulation have accurate. (Last is error sorry)