普通方法设计单片机串行接口波特率时, 需要使用晶振。在分析8051 单片机串行硬件工作原理的基础 上, 通过软件编程实现所需的波特率。-General serial interface designed single-chip baud rate, the need to use the crystal. 8051 in the analysis of serial hardware working principle, based on the software programming o

基于单片机的多路数据采集系统的设计方案，采用的是AD0809和51单片机，及LED液晶显示-To ADC0809 and 8051 as the core of the system, including three parts: data collection, data processing and display, the terminal receiver. Including its control, display, A/D converter, power conversion i

基于单片机的多路数据采集系统的设计方案，-To ADC0809 and 8051 as the core of the system, including three parts: data collection, data processing and display, the terminal receiver. Including its control, display, A/D converter, power conversion interface, personal comput