基于LPC系列单片机的串口扩展器设计OA
Design of UART extender based on LPC series microcontroller
介绍了一种基于单片机 P89LPC931的 SPI 总线扩展异步串行接口 UART 的装置，讲述了P89LPC931单片机的开发使用，重点详细阐明了扩展芯片 GM8142的开发使用。用户可以根据不同的应用环境灵活配置参数。本装置成本低，可靠性高，稳定性强。
An UART extended by SPI bus based on single chip microcomputer P89LPC931 was introduced. The development of P89LPC931 was described, and the development of the chip GM8142 was emphatically elaborated. The configuration parameters are flexible depended on the application environment. The extender has the characters of low cost , reliability and stability.
唐洪富
中国电子信息产业集团有限公司第六研究所，北京 100083
计算机与自动化
LPC 单片机GM8142SPI 总线
LPC microcontrollerGM8142SPI bus
《微型机与应用》 2015 (13)
97-99,3
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