74hc595
74hc595-
The structures and working theories of software and hardware are introduced . The sixteen dynamic scanning circuits and the aspects of the structures , technical parameters and working states of driving chips UNL2003A / 74HC595 are analyzed in detail as well .
介绍了系统的软硬件结构及工作原理，并对十六路动态扫描电路及驱动芯片UNL2003A、74HC595的结构、技术参数和工作状态进行了分析。