汉字显示屏广泛应用于汽车报站器，广告屏等。他的行扫描部分分别由单片机的P0,P2口担任， 列扫描部分则是由一个74LS154的4-16译码器组成。 汉字屏轮流显示倚天一出宝刀屠龙八个汉字-Chinese is widely used in car display at stations, and advertising screens. Scanning part of his trip from SCM P0, P2 as I set out to scan some of it is by