摘要
本文介绍了ARM9处理器S3C2410和驱动芯片ADS7846构成的触摸屏控制系统,给出了具体的连接方法和工作原理,并在嵌入式Windows CE系统中,根据SPI的工作时序分析和设计了关键部分的驱动程序。实验结果证明,触摸屏工作良好。
A touch panel control system,which is composed of ARM9 processor S3C2410 and driven chip ADS7846,is introduced in detail;moreover,the material connection and principle of this system is presented and the pivotal driver is analyzed and designed in the light of the SPI clock in embedded Windows CE.Application showed that this strategy works well.
出处
《电子技术(上海)》
2008年第10期86-88,共3页
Electronic Technology